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Blog – Hackaday

 
Fresh hacks every day

Sense Hat Comes Alive

Remember the Raspberry Pi Sense Hat? Originally designed for a mission to the International Space Station, the board has quite a few sensors onboard as well as an 8×8 RGB LED matrix. What can you do with an 8×8 screen? You might be surprised if you use [Ethan’s] Python Sense Hat animation library. You can get the full visual effect in the video below. The code uses an array to represent the screen, which isn’t a big deal…
HACKADAY
SENSOR
LED
RASPBERRY
PYTHON
(0h; 27/May/2017 11:00:49 +0000)

ESP32 Hamster Wheel Tracker Tweets Workout Stats

Even with all the hamster wheel trackers out there (and on this site) there’s room for improvement. [Bogdan] upgraded his hamster wheel from an Arduino and datalogging shield to an ESP32, and unleashed some new capabilities one does not ordinarily associate with hamster wheels. [Bogdan]’s project logs distance in feet, duration of current session in time, RPM, overall revolutions, speed in MPH, and overall number of sessions, as well…
HACKADAY
ARDUINO
SHIELD
HACK
(3h; 27/May/2017 08:00:52 +0000)

Energy Harvesting Wristwatch Uses a Versatile Photodiode

There’s some interesting technology bundled into this energy harvesting wristwatch. While energy harvesting timepieces (called automatic watches) have been around for nearly 240 years, [bobricius] has used parts and methods that are more easily transferable to other projects. Unlike early mechanical systems, this design uses the versatile BPW34 PIN photodiode (PDF warning). PIN photodiodes differ from ordinary PN diodes in that there’s a…
HACKADAY
LED
ATMEGA
HACK
(12h; 26/May/2017 23:00:00 +0000)

Hackaday Prize Entry: LiFePO4wered/Pi+

For some of you the title might seem familiar, as [Patrick Van Oosterwijck] LiFePO4wered/Pi project is a quite successful Hackaday.io project. Now he’s designing from scratch the plus version to fill in some gaps and solve some of the challenges that affected the initial project. So what exactly is LiFePO4wered/Pi+ and what can it do? In a nutshell, it’s a smart UPS for the Raspberry Pi. The standard version allows a Model A+ and Pi…
HACKADAY
RASPBERRY
HACK
(17h; 26/May/2017 18:30:54 +0000)

Embed With Elliot: LIN is for Hackers

A car is a rolling pile of hundreds of microcontrollers these days — just ask any greybeard mechanic and he’ll start his “carburetor” rant. All of these systems and sub-systems need to talk to each other in an electrically hostile environment, and it’s not an exaggeration to say that miscommunication, or even delayed communication, can have serious consequences. In-car networking is serious business. Mass production…
HACKADAY
HACK
(21h; 26/May/2017 14:01:27 +0000)

Adafruit Industries

 
Electronics and open source hardware

Underwater Camera Housing Leak Detector #celebratephotography

From vsc2 on Instructables: Underwater camera housing rarely leak, but if this event occurs the results are normally catastrophic causing irreparable damage to the camera body and lens. SparkFun published a water detector project in 2013, where the original design was intended as a replacement for a NautiCam leak sensor. This project adapts the SparkFun […]
ADAFRUIT
SENSOR
(4h; 27/May/2017 07:00:00 +0000)

Put some Color in your LEDs: Controlling Your Raspberry Pi from your iPhone with Simulink @Raspberry_Pi #PiDay #RaspberryPi

Nice write-up from Guy Rouleau up on the MathWorks Blog. Color-controlled lighting has become increasingly popular, and, although sometimes it is purely ornamental, there is enough scientific evidence to show that the color of the light in your environment has a direct impact on your circadian rhythm. There are multiple options in the market to […]
ADAFRUIT
LED
RASPBERRY
LCD
(16h; 26/May/2017 19:00:26 +0000)

Control Any Devices Using Raspberry PI and PCF8574, Relay Module #piday #raspberrypi @Raspberry_Pi

Shared by adachsoft on Instructables: This guide shows you how to use PCF8574 with Raspberry PI. The PCF8574 is a 8 bits I/O port expander that uses the I2C bus. To the PCF8574 I will connect the relay module, this will allow control of the electrical device from the Raspberry PI. I will also show […]
ADAFRUIT
RELAY
RASPBERRY
(17h; 26/May/2017 18:00:00 +0000)

Subscribe to the Adafruit Youtube channel! #Youtube

Are you subscribed to the Adafruit Youtube channel? If you’re not already subscribed, click here! http://adafru.it/subscribe . It’s a free and easy way to keep up with our newest episodes. Here’s some of what we’re up to. Electronics Show and Tell Wednesdays 7:30pm G+ Hangout On-Air Electronics show and tell with G+ On-Air hangouts every […]
ADAFRUIT
(17h; 26/May/2017 18:30:13 +0000)

Portable Raspberry Pi Zero Arduino Programmer #piday #raspberrypi @Raspberry_Pi

Matthew Scerri shared this on Youtube! i connected my pi zero to a small and compact 3.5 inch touchscreen lcd and powered it from a phone charger ( Although you can power it from any 5v source eg. Phone Power Bank) . then, i connected an arduino nano to the pi via an otg cable […]
ADAFRUIT
RASPBERRY
ARDUINO
LCD
(18h; 26/May/2017 17:00:59 +0000)

Sense HAT Email Notifier #piday #raspberrypi @Raspberry_Pi

From PiMyLifeUp: In this tutorial, we will be setting up a Raspberry Pi email notifier that makes use of the Sense Hat, it will make use of the LED Matrix to display a visual notification of the status of your email. This is a good project to use alongside the sense HAT weather station tutorial […]
ADAFRUIT
LED
RASPBERRY
DISPLAY
(19h; 26/May/2017 16:00:00 +0000)

Live Stream to YouTube with your Raspberry Pi and Docker #piday #raspberrypi @Raspberry_Pi

Via Alex Ellis’ Blog In this guide we’ll set up our Raspberry Pi so that we can stream live video to YouTube to either a public, unlisted or private stream. Using a pre-built Docker image means we know exactly what we’re getting and instead of having to go through lots of manual steps we can […]
ADAFRUIT
RASPBERRY
(21h; 26/May/2017 14:00:22 +0000)

Pi Powered Pan-Tilt System @Raspberry_Pi #PiDay #RaspberryPi @FabricioSMarin

Awesome project from Fabricio S. Marin! Improved camera pan-tilt system using four 5v steppers and a raspberry pi. Azimuthal rotation still needs work. #3Dprinting #raspberrypi pic.twitter.com/ZfIte4DWlp — Fabricio S. Marin (@FabricioSMarin) May 10, 2017
ADAFRUIT
RASPBERRY
(22h; 26/May/2017 13:00:18 +0000)

Make: News

 

Program an SMS Bot Using Python and Twilio

Make your very own SMS bot that will get you the information that you want, without the need for a strong 3G or LTE connection. Read more on MAKE The post Program an SMS Bot Using Python and Twilio appeared first on Make: DIY Projects and Ideas for Makers.
MAKEZINE
PYTHON
(71h; 24/May/2017 12:00:27 +0000)

People and Groups

Dangerous Prototypes

 
Open source hardware projects

Free PCB coupon via Facebook to 2 random commenters

Every Friday we give away some extra PCBs via Facebook. This post was announced on Facebook, and on Monday we’ll send coupon codes to two random commenters. The coupon code usually go to Facebook ‘Other’ Messages Folder . More PCBs via Twitter on Tuesday and the blog every Sunday. Don’t forget there’s free PCBs three […]
DANGEROUSPROTOTYPES
BOOK
PCB
(18h; 26/May/2017 17:00:41 +0000)

DIY NAS

A DIY NAS project from Peter Scargill: So I’ve had a fair experience of these systems. Well, this blog entry isn’t about expensive NAS systems. It’s about a cheap one… really cheap that is – and DIY. How cheap? Well, about £12 depending on what you have handy. For this price you need a handy 2.5” […]
DANGEROUSPROTOTYPES
(44h; 25/May/2017 14:50:38 +0000)

ATM90E36 Dev-kit for 3-phase AC metering

Tisham Dhar blogged about his ATM90E36 3-phase energy monitor project: After successfully building the single-phase energy monitor with the ATM90E26 there has been lots of interest in the 3-phase version. Being an open-hardware project, many people have created remixed and derived versions as well. After a while I started receiving requests to assist with the […]
DANGEROUSPROTOTYPES
(45h; 25/May/2017 14:05:15 +0000)

Reddit

 
Seen on subreddits about electronics

Question about RGB LED drivers (current/voltage concern)

I was doing some research on CC vs CV drivers for LEDs, I noticed that a lot of RGB drivers are CC, and most all of the chips' outputs are the same current/voltage. But I noticed that almost all of the individual diodes in RGB LEDs have a different Vf and If (Red is usually ~2.4Vf, while G/B is ~ 3.2Vf with small differences in the current too) Does it not matter that the Vf and If are different for the different diodes color/types? I…
LED
CHIP
(2h; 27/05/2017 08:47:54 +00:00)

What's the future for the following fields of study?

I know software engineering is currently big and a safe way to go but how are embedded systems/computer architecture and integrated circuits/electronics? (In terms of job market and job security, as well as what do engineers in these fields do on a day to day basis) submitted by /u/DeadlyXyston to r/ECE [link] [comments]
(9h; 27/05/2017 02:23:38 +00:00)

Dmitry Nedospasov (#303, 318), Joe Grand (#60) and Joe Fitzpatrick launch HardwareSecurity.training, a new group teaching InfoSec for HW

submitted by /u/Chris_Gammell to r/TheAmpHour [link] [comments]
(13h; 26/05/2017 22:09:54 +00:00)

Trailer of Phil' Studio Season 2

submitted by /u/philstudio to r/electronic_circuits [link] [comments]
(13h; 26/05/2017 22:00:13 +00:00)

esp-botvac: Remote control of Neato Botvac using esp8266 & micropython!

submitted by /u/hatperigee to r/esp8266 [link] [comments]
ESP-
ESP8266
REMOTE
PYTHON
(15h; 26/05/2017 20:02:46 +00:00)

5 Arduino projects to upgrade your car

submitted by /u/jehb to r/arduino [link] [comments]
ARDUINO
(19h; 26/05/2017 15:56:25 +00:00)

Dad got me a birthday gift! 🙃

submitted by /u/joeo_theDO to r/electronics [link] [comments]
(25h; 26/05/2017 09:45:07 +00:00)

2017 Goes Big on Tiny Electronics: A Bluetooth SoC, Satellite Communication Module, and Linux SBC

In the last two months, some impressively tiny systems were unveiled or released.
ALLABOUTCIRCUITS
LED
BLUETOOTH

A Brief Introduction to the Common Mode Choke and Its Applications

This article goes over the basics of the humble common mode choke and its applications.
ALLABOUTCIRCUITS

A Page in the History of Transistors: Ingenuity in Post-War Japan

Learn about Japan's semiconductor journey to dominance in the global electronics industry.
ALLABOUTCIRCUITS
TRANSISTOR

A Tale of 3 Smart Cities: How and Why Cities Are Offering Free Wi-Fi

In this article, we take a look at how free Wi-Fi is being implemented and maintained in smart cities across the world.
ALLABOUTCIRCUITS

ASUS Moves Its Tinker Board into Raspberry Pi’s SBC Domain

ASUS, the Taiwanese hardware and electronics company known for their desktops, laptops, monitors, graphics cards, and more has decided they're going to delve into the micro-PC market.
ALLABOUTCIRCUITS
RASPBERRY

Add Voice Commands to Your Next Project with Bluetooth LE

This project uses the Alorium Technology XLR8, a Bluetooth LE HID Implementation, and the EasyVR voice recognition module to add voice-activated movements to your next project.
ALLABOUTCIRCUITS
BLUETOOTH

Addressing Harmonic Distortion in Audio Amplifiers

Harmonic distortion can be introduced to audio amplifiers from many sources but reduced to levels below the threshold of human hearing.
ALLABOUTCIRCUITS

All About Circuits Technical Articles

 
Electronics and Electrical Engineering News, Projects & Technical Articles.

Amplify, Then Convert: A New High-Speed ADC Driver from Linear Tech

Good analog-to-digital conversion starts with good pre-ADC signal conditioning. Specialized devices such as the LTC6432-15 can help in this effort.
ALLABOUTCIRCUITS

Many more

 
Recent posts from 80+ selected blogs from the maker comunity.

VoCore2: Firmware Update

This update fixed: microSD can not auto mount: VoCore2 Ultimate. microSD driver keep popup noise log to serial console: all version default IP set to 192.168.61.1 remove several unused package. Download at: VoCore2 Ultimate: vocore2.io/v2u.html (Download/Firmware) VoCore2: vocore2.io/v2.html (Download/Firmware/128MB) VoCore2 Lite: vocore2.io/v2.html (Download/Firmware/64MB, for Lite)
VONGER
SERIAL
(1h; 27/May/2017 09:37:08 +0000)

How to Build EduExo, the Arduino-Powered Robotic Exoskeleton

EduExo, now available on Kickstarter, is an attempt by robotics researcher Volker Bartenbach to bring this technology to the masses. “Our goal is to make exoskeleton technology accessible. To achieve this, we are developing the EduExo robotic exoskeleton, an affordable STEM education kit for students, teachers, makers and hobbyists. The kit is designed as a […]
FEEDPROXY
ARDUINO
ROBOT
(2h; 27/May/2017 09:04:35 +0000)

Gnubee Personal Cloud 1: low-cost and low-power network-attached storage device

“The GnuBee Personal Cloud 1 (GB-PC1) is a network-attached storage (NAS) device specifically engineered to run free, libre, open source software (FLOSS). The GB-PC1 has all the functionality of any commercial, proprietary NAS, but at a much lower cost and with the transparency, reliability, and accessibility advantages that come with using FLOSS.” GnuBee’s Crowd Supply […]
FEEDPROXY
LED
(25h; 26/May/2017 09:50:32 +0000)

ESP8266 volumeter

This ESP8266-based IoT volumeter measures the volume of an open space inside an enclosure using ultrasonic sensors. Three HC-SR04 ultrasonic transceivers are placed orthogonally to measure distances (width, height and lenght) along the three directions to compute the volume. The measurements are sent to the CloudMQTT server and displayed as graph. The post ESP8266 volumeter appeared first on Embedded Lab.
EMBEDDED-LAB
SENSOR
ESP8266
DISPLAY
(11h; 27/May/2017 00:08:52 +0000)

Moteino R6 released

After Moteino R4 has been the long running champion of its lineup, and R5 has had a brief period of glory, Moteino has now been shipping for the past week at revision R6! Wait, what happened to R5 which was never … Continue reading →
LOWPOWERLAB
NEW PRODUCT
(16h; 26/May/2017 19:18:57 +0000)

Wireless Programming updates

In past times (see this and this post), wireless programming of a remote Moteino used to be done via a python script. This took a compiled Moteino sketch (hex file) and passed it to a programmer Moteino which would relay it … Continue reading →
LOWPOWERLAB
LED
RELAY
REMOTE
PYTHON
(17h; 26/May/2017 18:29:59 +0000)

mbed OS 5.4.6 Release Available

Posted by Anna Bridge We are pleased to announce the mbed OS 5.4.6 release is now available. This release includes new target support for DISCO_L072CZ_LRWAN1 and RO359B. There is an update of the u-blox ODIN driver to v1.3 rc2 and an update of the STM32 F1 STM32 cube (SDK) to v1.5.0. There are also a number of bug fixes and tool enhancements to improve the quality and stability of the codebase. Here is a full list of all changes and fixes in…
MBED
SDK
ARDUINO
ETHERNET
TOOL
SERIAL
NRF
(20h; 26/May/2017 15:28:35 +0000)

DIY Lightweight Pi Tracker with SSDV

A few months back, Raspberry Pi brought out a very very nice little case for the Pi Zero, including 3 different front plates one of which accepts the Sony Pi camera.  After several minutes measuring the internal dimensions, I reckoned … Continue reading →
DAVEAKERMAN
TTL
RASPBERRY
(21h; 26/May/2017 13:50:50 +0000)

Pi Desktop - Un accessoire révolutionnaire pour Raspberry-Pi

Un nouvel accessoire révolutionnaire pour Raspberry-Pi vient de voir le jour!Farnell Premier vient d'annoncer la sortie du tout nouveau "Pi Desktop".Pi Desktop est un ensemble d'accessoires innovant qui vous permettra de convertir votre Raspberry-Pi en un Ordinateur Bureau de type Linux, un Ordinateur enfermé dans un élégant boîtier au design très soigné.Ne vous emballez pas trop, il sera disponible à partir du 5 juin …
ARDUINO103
RASPBERRY
BLUETOOTH
(21h; 26/05/2017 13:51:29 .419+0)

Arduino vs. Significant Figures: Useful 64-bit Fixed Point

The numerator is also the largest possible fixed-point number
SOFTSOLDER
ARDUINO
(23h; 26/May/2017 11:55:24 +0000)

Low cost BLE-GPRS-GPS-gateway

Are we able to make a mint of money with such a low-cost BLE-GPRS-GPS-gateway? If yes then it makes sense to follow a train of thoughts listed in my IoT M2M Cookbook. Everybody can make such a... My blog was started in 2009 as a free of charge information service. The idea of the blog was to make basic tips and hints for design and development of wireless M2M applications public. I was in sales, support and development of cellular/GPS…
FEEDPROXY
BOOK
BLUETOOTH
(24h; 26/May/2017 11:04:41 +0000)

Weighing the Pros and Cons of Online Learning

Online learning has a number of advantages over traditional brick and mortar schools, but there are several factors slowing its adoption. Let’s look at the pros and cons of online learning in general, as well as the options you have when it comes to online education. The Pros of Online Learning Many online courses provide a flexible schedule. If you miss a class, you may be able to make it up by viewing the recorded presentation. If you…
FEEDPROXY
(24h; 26/May/2017 10:51:08 +0000)

NASA Releases Software Catalog

NASA has released its 2017-2018 software catalog, which offers an extensive portfolio of software products for a wide variety of technical applications, all free of charge to the public, without any royalty or copyright fees. Available in both hard copy and online, this third edition of the publication has contributions from all the agency’s centers on data processing/storage, business systems, operations, propulsion and aeronautics. It…
TREVISO-AUG
TOOL
(26h; 26/05/2017 08:53:49 Z)

Data Bites: 7 TV Shows that Jumped the Shark

There is a fine line between keeping your viewers interested, intrigued, and emotionally invested and crossing the line with a stunt whose main purpose is to spark their waning interest. If a television series has pulled off the latter, it is (at best) fighting an uphill battle and, at worst, on its way off the air. These critical junctures occur frequently in the world of TV entertainment, but the moment when a television show attempts to…
PLOTLYBLOG
LED
TTL
(28h; 26/May/2017 06:46:08 -0400)

JeeLabs

 
Jean-Claude Wippler's environmental electronics

Interactive Forth over RF?

Since Mecrisp Forth uses the serial port as its interactive console, the most direct way of connecting to a µC board is as follows (double-line arrows represent wired connections): When using some widely available low-cost STM32F103 boards with built-in USB port, we can in fact simplify this considerably by using a USB console driver instead of that FTDI adapter: But what if we could also re-apply the same trick using wireless radio…
JEELABS
FTDI
SERIAL
SOLDER
REMOTE
HACK
(59h; 25/May/2017 00:00:00 UTC)

2.4 GHz with a JeeNode Zero

The JeeNode Zero has always had two footprints for radio modules on its PCB. Apart from an RFM69 (or RFM12), you can also mount an RFM70, 73, or 75 on there: (this is the older “v1”, the new “v4” is blue) RFM7x offers a new trade-off (lower range, higher speed) and uses the 2.4 GHz band: “around and between” the WiFi channels. In recent days, I’ve been able to get a first preliminary…
JEELABS
PCB
(83h; 24/May/2017 00:00:00 UTC)

Meet the new RF73 driver

There’s a new wireless radio driver in town for the JeeNode Zero and other µC boards running Mecrisp Forth. It’s called RF73 but it is in fact intended to be used with the RFM70, RFM73, and RFM75. These are low-cost 2.4 GHz wireless modules made by HopeRF, the same supplier as for RFM12 and RFM69. These modules are derived from designs created by Silicon Labs. The current rf73.fs code is still very young, and not quite ready for…
JEELABS
LED
FTDI
TTL
PCB
SERIAL
NRF
(83h; 24/May/2017 00:00:00 UTC)

Electronics-Lab

 
Open Source Hardware Electronics Projects

AS7261 Color sensor from Ams

The AS7261 integrates Gaussian interference filter technology to enable chromatic white color sensor which provides direct XYZ color coordinates consistent with the CIE 1931 2° Standard Observer color coordinates. Additional mapping of XYZ coordinates to the x, y (Y) of the 2-dimensional color gamut and scales of the CIE 1976 u’v’ coordinate system, providing accurateRead More The post AS7261 Color sensor from Ams appeared first on Electronics-Lab.
ELECTRONICS-LAB
SENSOR
(26h; 26/May/2017 08:50:34 +0000)

Meet Obsidian, A $99 Plug & Print 3D Printer

Kodama Inc is a new company that delivers a new generation of FDM 3D printers that increase the possibility of affordable 3D printing. Recently, Kodama launched its new 3D printer “Obsidian“, the first 3D printer made for professional applications starting at under $100. Most additive manufacturing machines in this price range are not aesthetically designed, nor engineered forRead More The post Meet Obsidian, A $99 Plug & Print 3D…
ELECTRONICS-LAB
TOOL
(28h; 26/May/2017 06:50:16 +0000)

Nixie Bargraph Kit

Robin @ kickstarter.com launched his new campaign on a project using IN-9 Nixie tubes. Now you can easily control two IN-9 Nixie bargraph tubes with 2 PWM inputs from your Arduino, Raspberry or other control board. The tubes are controlled by PWM signals and adjusting the PWM duty cycle you can control the tubes height,Read More The post Nixie Bargraph Kit appeared first on Electronics-Lab.
ELECTRONICS-LAB
LED
RASPBERRY
ARDUINO
(48h; 25/May/2017 11:02:47 +0000)

Øyvind Dahl

 
Build Electronics Circuits

Get sponsorship for your project

Do you have a non-profit project that you’d like to build? For example for a competition or a school project? Now you can get free printed circuit boards for your project. A printed circuit board, or a PCB, is a board specifically designed for your project. And it makes it much easier to create projects 0 Copyright Build Electronic Circuits
BUILD-ELECTRONIC-CIRCUITS
PCB
(99h; 23/May/2017 08:33:13 +0000)

Ohmify open for enrollment

Hey, I’ve just reopened Ohmify: https://ohmify.com/join/ Ohmify is an online platform that helps you learn and build real things with electronics. It gives you access to more than 30 courses for both building fun projects and learning electronics. And today or tomorrow, depends how productive I am today, I’m releasing a new course where you’ll 0 Copyright Build Electronic Circuits
BUILD-ELECTRONIC-CIRCUITS
(547h; 04/May/2017 16:00:28 +0000)

How To Get A Job In Electronics

Many people ask me how to get a job in electronics. Here’s my advice: If you want a job in electronics, show them that you love electronics. I’ve previously gotten a job as a Python programming teacher without knowing Python. And I’m convinced it was because I showed them that I loved programming (which I 0 Copyright Build Electronic Circuits
BUILD-ELECTRONIC-CIRCUITS
PYTHON
(938h; 18/Apr/2017 08:52:59 +0000)

Simone Baracchi

 
CS, machine learning, Arduino & music.

POSIX Signals are not just bad, they’re awful

It all started with a problem which seem to be simple and already seen around in the real world: I just need a simple script to restart a process if it crashes. Simple enough right? So simple that I wanted to use a short bash script to do it. Turns out it’s not really that […]
SPAGHETTIWIRES
(39h; 25/May/2017 19:46:17 +0000)

PHP not parsing POST data?

If your PHP (or any other server side code) is receiving a single $_POST field of raw data, looking more or less like this, instead of receiving your form fields nicely: ——WebKitFormBoundaryVmWPyJJIBR3n18Wk Content-Disposition: form-data; name=”form-file-1″; filename=”my document.doc” Content-Type: application/octet-stream ——WebKitFormBoundaryVmWPyJJIBR3n18Wk Content-Disposition: form-data;…
SPAGHETTIWIRES
(4308h; 28/Nov/2016 22:17:20 +0000)

FontsMoods just launched!

I just launched Fonts Moods, a crowdsourced attempt at matching fonts with sentiment. You are welcome to collaborate or peek through the results!
SPAGHETTIWIRES
(6013h; 18/Sep/2016 21:57:59 +0000)

Projects

Electronza

 
PIC, Arduino and IoT projects blog

Speech recognition with Arduino: Hardware considerations

Controlling one Arduino using your voice? It might seem very complicated at first. However, there might be an easy way to do this: the SpeakUp click from MikroElektronika can recognize over 200 voice commands, and it does all the voice processing using its onboard STM32F415RG MCU. The SpeakUp click has a size of 57.15 x 25.4 [...] The post Speech recognition with Arduino: Hardware considerations appeared first on Electronza.
ELECTRONZA
MCU
ARDUINO
SHIELD
(2h; 27/May/2017 09:14:34 +0000)

Make & Tech – May 19 2017

Cool stuff this week: Audio driver in some HP laptops acts as a keylogger. Romania is on top 9 of countries affected by WannaCry ransomware attack. Remember the words: backup, backup, backup. Cool new stuff from MikroElektronika: two new Bluetooth click boards, thermometer click, new WiFi click boards. Light painting robot. New stuff on the [...] The post Make & Tech – May 19 2017 appeared first on Electronza.
ELECTRONZA
BLUETOOTH
ROBOT
(194h; 19/May/2017 09:15:34 +0000)

Redkea: easy to use Android app builder for IoT

Today I have some interesting stuff on my desk. I have just received one ESP8266-EVB board from Olimex, one of the cheapest ESP8266 boards in my collection (I paid for it just a bit over 13 EURO). Before we begin, let’s take a close look at the board. The ESP8266-EVB has one relay, one button [...] The post Redkea: easy to use Android app builder for IoT appeared first on Electronza.
ELECTRONZA
RELAY
ARDUINO
ESP8266
(553h; 04/May/2017 09:40:34 +0000)

Hackster.io

 
Selected projects

Headless Voice Activated Google Assistant on Raspberry Pi

Turn your Raspberry Pi into a Google Assistant.
HACKSTER
RASPBERRY
(0h; 27/05/2017 10:50:41 Z)

Blynk GPS Tracker

Simple GPS tracker using a Particle Photon (or Electron) and an EM406 GPS module with location visible on Blynk app map.
HACKSTER
(3h; 27/05/2017 07:57:39 Z)

Display Your Name On Micro-Bit Using MicroPython

In this tutorial, I am going to show you how to code BBC micro:bit using MicroPython to display your name and other basic symbols.
HACKSTER
DISPLAY
PYTHON
(4h; 27/05/2017 07:34:49 Z)

Distance Calculation with Ultrasonic Sensor

Ultrasonic distance sensors are designed to measure distance between the source and target using ultrasonic waves.
HACKSTER
SENSOR
(4h; 27/05/2017 07:09:20 Z)

Map Your Particles!

Locate your Particle Photons, P1s and Electrons on a map without needing extra hardware. Use Ubidots or an offline map alternative
HACKSTER
(4h; 27/05/2017 07:22:30 Z)

Cheapest Smart Home for $38

Use Raspberry Pi Zero W to make the cheapest and easiest yet very useful smart home automation for $38 only and no skills needed!
HACKSTER
RASPBERRY
(5h; 27/05/2017 05:35:16 Z)

Bikeyface Emoji Taillight

Express yourself with your bike lights!
HACKSTER
(23h; 26/05/2017 11:51:55 Z)

Make: Projects

 

Program an SMS Bot Using Python and Twilio

Make your very own SMS bot that will get you the information that you want, without the need for a strong 3G or LTE connection. Read more on MAKE The post Program an SMS Bot Using Python and Twilio appeared first on Make: DIY Projects and Ideas for Makers.
MAKEZINE
PYTHON
(71h; 24/May/2017 12:00:27 +0000)

Build a 1930’s Style Dieselpunk Cellphone

Adafruit’s Fona microcontroller, with a GSM phone module, can be used to make your very own dieselpunk cellphone that can make calls and store contacts. Read more on MAKE The post Build a 1930’s Style Dieselpunk Cellphone appeared first on Make: DIY Projects and Ideas for Makers.
MAKEZINE
ARDUINO
(694h; 28/Apr/2017 13:00:16 +0000)

Add a T-Slot Bed to Your X-Carve for Easy, Rigid Workholding

This fairly low-cost modification to the X-Carve will improve the overall rigidity of the machine and keep the spindle consistently square to the bed. Read more on MAKE The post Add a T-Slot Bed to Your X-Carve for Easy, Rigid Workholding appeared first on Make: DIY Projects and Ideas for Makers.
MAKEZINE
TOOL
(910h; 19/Apr/2017 13:15:31 +0000)

Build a Simple Cocktail Drinkbot with Arduino

Ted Kinsman walks you through the step-by-step process for the conversational piece at your next party: a drink-making robot. Read more on MAKE The post Build a Simple Cocktail Drinkbot with Arduino appeared first on Make: DIY Projects and Ideas for Makers.
MAKEZINE
ARDUINO
ROBOT
(1534h; 24/Mar/2017 13:30:19 +0000)

Cut Custom Foam Inserts to Store Fragile Equipment

Use craft store foam to cushion fragile equipment, like cameras and electronics. Read more on MAKE The post Cut Custom Foam Inserts to Store Fragile Equipment appeared first on Make: DIY Projects and Ideas for Makers.
MAKEZINE
(1700h; 17/Mar/2017 15:21:54 +0000)

Extract DNA at Home with a 3D Printed Centrifuge

Make this low-cost centrifuge to extract DNA on your desktop. Read more on MAKE The post Extract DNA at Home with a 3D Printed Centrifuge appeared first on Make: DIY Projects and Ideas for Makers.
MAKEZINE
ARDUINO
HACK
(1772h; 14/Mar/2017 15:00:21 +0000)

Hackaday.io Projects

Recently updated projects

FASTUSBasp programmer for AVR by Amitesh Singh

This is the fastest usbasp for AVRs based on cheap stm32f103c8t6 board.

EcoAdventure by EcoAdventure

EcoAdventure

A2Z Computer by f4hdk

A computer invented, designed and built from scratch.

ESPmobe - battery powered ESP8266 IoT-sensor by Michael

A compact, battery powered IOT multi sensor module with wifi & MQTT support. Feat. temperature, humiditity, lux, air pressure, PIR & more

GPN17Badge::HiFi-Bodge by helge

Adding high quality stereo audio to the GPN badge

ALUMinimum by Squonk42

Learn deep logic optimization by implementing the fastest ALU West of the Pecos River, using no specialized arithmetic chip

RepKiln by Matt Moses

A small and inexpensive kiln for melting metals and firing clay

YaMseK by JohSchneider

Yet Another Modular Split Ergonomic Keyboard

Hackaday.io Arduino Projects

Recently updated Arduino projects

Home security by vysocan76

Home security project based on atmega and ardunio. MQTT gateway for data gathering.

Debug Board by fattore.saimon

Simple, tiny USB to rs232 converter, also with a galvanic isolation

Micro NumiTron clock by Jeremy g.

Super tiny, Micro clock using a Numitron as its display. Running off a 400mAh lipo battery.

Student Science Satellites and Sounding Rockets by Ken Biba

The S4 program delivers a small satellite platform for doing science on hobby and amateur sounding rockets.

Project Demetra by Fabio

A smart automated balcony plants watering system

3D-Printable Raman Spectrometer by David H Haffner Sr

The only thing worth doing, is the thing worth doing right!

AutoFold the Box Folding Robot by FourthLevelMfg

We are creating a system to automate the process of folding boxes

Perf++ shields by Chris Hamilton

We are experimenting with making Perf+ 2 like perf shields

Brands

Arduino Blog

 

Build your own Arduino balancing robot

If you’re familiar with the Segway or other vehicles that balance in what is known as an “inverted pendulum” configuration, you may think that while interesting, creating something similar would be too complicated or out of your budget. Though perhaps still not simple, Joop Brokking takes you through his design for this type of bot in […]
ARDUINO
ARDUINO
ROBOT
FEATURED
(45h; 25/May/2017 13:59:01 +0000)

Log your hamster’s runs with Arduino

We’ve all seen hamsters in a cage, furiously running nowhere. Perhaps you’ve thought about the pointlessness of this activity, before going to the gym to lift weights up and down or run on a treadmill. From an outside perspective, both activities seem pointless, but when you realize the benefits, maybe tracking what “feats of strength” you’re […]
ARDUINO
ARDUINO
FEATURED
(45h; 25/May/2017 14:09:54 +0000)

Try to grab some candy with this Arduino claw machine

Depending on your point-of-view, you may see claw machines as an interesting device that can normally be ignored, or perhaps magnet for quarters that you must satisfy until you capture the stuffed animal that’s “so easy to get.” Maybe these gantry-crane gadgets would be a bit more fun if you could play them at home to your heart’s […]
ARDUINO
ARDUINO
FEATURED
(68h; 24/May/2017 15:01:24 +0000)

Sparkfun Electronics

 

Friday Product Post: Tool Time (Pt.2)

Hello, and welcome back to the second week of new tool products! Last week we introduced a variety of new soldering tools, but this week it will be a bit different. This Friday we are happy to introduce new screwdrivers, hex keys and a handy set of SMD tweezers! We absolutely fell in love with the quality of these tools and wanted to make sure all of you have a way to easily obtain them. Let’s take a look! …
SPARKFUN
BOOK
TOOL
PCB
SOLDER
NEW PRODUCT
(30h; 26/05/2017 05:30:00 -06:00)

Enginursday: 60 USB Chargers in Parallel

Sometimes engineers need to take a break from crunching numbers and furrowing their brows at data sheets, and do something fun instead. Today I wanted to find out what would happen if I took 60 5V, 2A power supplies and wired them together. It can put out 120 amps at 5 volts! Will it melt a wire? What about a spoon? Can it melt a quarter? Can I arc weld with it? Or will the whole thing catch on fire? The only question remaining is what to do…
SPARKFUN
(50h; 25/05/2017 08:45:00 -06:00)

Hardware Hump Day: ITP 2017 Spring Show Recap

I was very fortunate to spend the past week in New York City. In addition to participating in Creative Tech Week, I also had the pleasure of visiting the ITP 2017 Spring Show. ITP, or the Interactive Telecommunications Program, is a two-year graduate program located in the Tisch School of the Arts at NYU. It also happens to be my alma mater! ITP's mission is to explore the imaginative use of technologies — how they might augment,…
SPARKFUN
SENSOR
LED
BOOK
ROBOT
REMOTE
FEATURED
(75h; 24/05/2017 08:30:00 -06:00)

Seeed Studio Blog

 

A Beginner’s Guide to DIYing with the ReSpeaker

Probably you might get a ReSpeaker from Kickstarter or Bazaar. It is a hack-able open development boards specifically designed for voice interaction. It is a development board based on Mediatek’s ...
SEEEDSTUDIO
HACK
(19h; 26/May/2017 16:12:02 +0000)

PCB DFM: Solder Mask Design – Part 6

6.1 Solder Mask Design for Copper Traces 0 Generally, solder mask will cover copper traces, but in special cases, traces can be exposed according to the specific requirements. 6.2 Solder ...
SEEEDSTUDIO
PCB
SOLDER
(99h; 23/May/2017 07:55:41 +0000)

How to Design a Circuit Board

It is excited to learn to design your circuit board, especially as newbies. We have summarized the whole process in 7 steps, which can help you have a rough concept ...
SEEEDSTUDIO
PCB
(196h; 19/May/2017 07:07:11 +0000)

Circuit Specialists

 
How To's, Reviews, and Product News from Circuit Specialists HQ.

Unsigned Drivers in Windows 10 64 Bit and Hantek USB Oscilloscopes

Unsigned drivers in Windows 10 64 Bit for some products can be problematic for the 64 bit edition of Windows 10. The post Unsigned Drivers in Windows 10 64 Bit and Hantek USB Oscilloscopes appeared first on Simply Smarter Circuitry Blog.
CIRCUITSPECIALISTS
(41h; 25/May/2017 17:38:09 +0000)

High-power DC electronic load testers

We recently introduced 3 new high-power DC electronic load testers from Beich Electronics.  Thes high-power DC electronic load testers are The post High-power DC electronic load testers appeared first on Simply Smarter Circuitry Blog.
CIRCUITSPECIALISTS
(278h; 15/May/2017 21:11:28 +0000)

What is a CNC machine & how can I build one?

The ‘CNC’ in CNC Machine stands for Computer Numerical Control.  A computer will usually convert a computer aided design (CAD) The post What is a CNC machine & how can I build one? appeared first on Simply Smarter Circuitry Blog.
CIRCUITSPECIALISTS
(401h; 10/May/2017 17:45:32 +0000)

Products

New Products at SparkFun

 

Chapman Pocket Screwdriver Set (TOL-14190)

The Chapman Pocket Screwdriver Set is a unique addition to the screwdriver family, as it utilizes a ¼" ratchet, similar to one found on a socket wrench, as well as four custom-built drive bits. This pocket screwdriver is aptly named for its size — not only fitting in your pocket but also fitting into tight spaces where a normal-sized screwdriver would not be able to fit. Moreover, to change the direction you need the screw to…
SPARKFUN
LED
(44h; 25/05/2017 15:03:16 -06:00)

Xcelite 8-in-1 Screwdriver Set (TOL-14235)

The Xcelite 8-in-1 Screwdriver Set provides eight high-quality bits in a single ergonomic tool. Each bit is easily accessible with a spring-loaded magnetic housing that holds the seven included bits you aren’t currently using. Though the screwdriver set includes eight unique bits, the end of the shaft features a 0.25" hex driver that can fit most of your existing ¼" bits. With a strong magnetic hold and no-roll handle…
SPARKFUN
TOOL
(44h; 25/05/2017 15:03:49 -06:00)

Xcelite Ergonomic Screwdriver Set (6pcs) (TOL-14234)

The Xcelite Ergonomic Screwdriver Set provides six different screwdrivers, each featuring a shockproof ergonomic soft inner core and handle. Utilizing Xcelite’s own Ergonic® handles, each screwdriver in this set conforms to your hand to provide great comfort and reduce torque loss to provide you with a fantastic slip-resistant tool! The set includes two Phillips head and four flathead screwdrivers. The screwdrivers in this set have been…
SPARKFUN
TOOL
(44h; 25/05/2017 15:04:11 -06:00)

Tutorials

Instructables

 
Arduino, ESP8266, Raspberry Pi and stuff

Froggy Dock

Do you have an in ground pool, and keep having to save poor frogs from drowning in the skimmer? It's bad for the frogs and the pool! So I decided to make a life raft for the frogs that get trapped in my pool. This is my first instructable. Hope you like it! Materials and tools This is a pretty s...By: TerdaiContinue Reading »
INSTRUCTABLES
TOOL
(0h; 27/May/2017 03:39:05 PDT)

Radar With Arduino, HB100 and MAX4466

Hi,This article is going to introduce you to the Dobbler Radar principle. I will show you how to make your own radar using the HB100 module, the Adafruit 1063 module and any Arduino.You will also need some soldering skills, a fine tipped soldering iron, a 1Mohm resistor, a breadboard and the wires t...By: HenrikL15Continue Reading »
INSTRUCTABLES
ARDUINO
SOLDER
(0h; 27/May/2017 03:36:49 PDT)

Paper, Paints and Kids

It is Summer time in India, Kids are at home, need to keep them busy. In this instructable, I will share 4 simple and fun projects for kids with paper and paint No special tools needed Please share your comments and suggestions Angry Bird Popup Cards Material A4 size - Thick white paper Scissors...By: Amit_JainContinue Reading »
INSTRUCTABLES
TOOL
(1h; 27/May/2017 03:33:49 PDT)

Play ATM for Kids

Hi All,Buying electronics, mobile, accessories, software and now even groceries via e-commerce sites, is new way of life... With Apps it is even easier than before. Every time we order an item online, it comes with amazing packaging boxes, to keep items safe inside.These packaging boxes are discarde...By: Amit_JainContinue Reading »
INSTRUCTABLES
(1h; 27/May/2017 03:30:28 PDT)

Smart Socket With Temperature Humidity Sensor, Laptop or Smartphone Battery Auto Cut in Cut Off Switch.

This is a Smart Plug-point with Temperature Humidity Sensor DHT 11 and a Emergency LED Light. As usual this socket can be turned on and off through WiFi of any smartphone. This can also be connected to Internet and avail feature as Internet of Thing (IOT).Features including:1. Temperature Humidity S...By: kumaran512Continue Reading »
INSTRUCTABLES
SENSOR
LED
(2h; 27/May/2017 02:04:13 PDT)

Arduino Fingerprint Sensor Tutorial

Dear friends welcome to another tutorial! Today we are going to build an interesting Arduino project which is using a fingerprint sensor module. Without any further delay, let’s get started!I always wanted to try a fingerprint sensor module in order to learn more about its technology and use it in s...By: educ8sContinue Reading »
INSTRUCTABLES
SENSOR
ARDUINO
(3h; 27/May/2017 01:05:34 PDT)

Fixed Setup for Xbox One Bluetooth Controller With RetroPie on Raspberry Pi 3

In this Instructable, you are going to learn how to connect your Xbox One Wireless Controller to your Raspberry Pi installation.If you really enjoy this Instructable, consider checking out my TechWizTime YouTube Channel.And for an awesome source of Raspberry Pi Accessories, check out my Raspberry Pi...By: TechWizYouTubeContinue Reading »
INSTRUCTABLES
RASPBERRY
RETRO
BLUETOOTH
(4h; 27/May/2017 00:00:38 PDT)

Smart Home by Raspberry Pi

There are already several products out there that makes your flat smarter, but most of them are proprietary solutions. But why do you need an internet connection to switch a light with your smartphone? That was the reason for me to build my own Smart Home solution.This is a java based open source se...By: bastynatorContinue Reading »
INSTRUCTABLES
RASPBERRY
(4h; 26/May/2017 23:38:18 PDT)

Adafruit Tutorials

 

7" Mini PC

3D Print a Portabile Mini PC Make a mini pc with a 7" display backpack and a 3d printed case!Learn More
LEARN
DISPLAY
(74h; 24/05/2017 09:01:44 Z)

Wonder Woman Cosplay Bracers

Block bullets with Motion & Sound Use Circuit Playground's onboard accelerometer and microphone to block invisible bullets from all directions. Neopixels and side-glow acrylic create a super cool lightning effect guaranteed to protect your friends from all imaginary foes. Now where did I park my invisible plane?Learn More
LEARN
(190h; 19/05/2017 12:43:56 Z)

Raspberry Pi Zero Headless Quick Start

Give your Pi Zero or Zero W the spark of new life. Starting with a fresh image of Raspbian Jessie Lite burned onto an SD card, learn how to configure Pi Zero settings by directly editing a few files before first boot. The basic setup for using a USB console cable for troubleshooting is also discussed.Learn More
LEARN
RASPBERRY
(235h; 17/05/2017 16:09:27 Z)

Twitter

@Tindie

A community marketplace for hardware creators and enthusiasts.

@tindie (19 Sep 2016)

@tindie (19 Sep 2016)

Wondering 'What is Tindie Anyway?'. Read this -

@tindie (May 25)

@tindie (May 25)

It's for sale on @tindie too...https://www.tindie.com/products/nsayer/orthrus/ …

Embedded Related

A portal with blogs, code snippets, forums, etc

@embeddedrelated (May 10)

Tenderfoot: Introduction to Magic (Numbers that is...) - Matthew Eshleman https://www.embeddedrelated.com/showarticle/1050.php … via @EmbeddedRelated

@embeddedrelated (May 10)

Thanks @EmbeddedRelated for the only proof available that I was at #ESCConf last week! lolpic.twitter.com/CUQ12rc3AS

Forums

Arduino Forum

 
Microcontrollers

1284P & 1.6.9 Boards Manager

Started by CrossRoads, 1,557 views, 27 replies, last on Today at 11:27 am by westfw.

Arduino ide and atmega8

Started by devjeetmandal, 135 views, 9 replies, last on Today at 10:44 am by westfw.

An SPI that refuses to work...

Started by Mogaraghu, 23 views, 0 replies, last on Today at 08:14 am by Mogaraghu.

ATTiny85 Analog Read problems

Started by Sv443, 136 views, 5 replies, last on May 26, 2017, 09:35 pm by DrAzzy.

Usin Pro Micro as ISP

Started by
petterg
, 2,917 views, 10 replies, last on May 26, 2017, 07:11 pm by Stitch10925.

MegaCore - Arduino support for ATmega64/128/1281/2561 and ATmega640/1280/2560

Started by hansibull, 3,267 views, 46 replies, last on May 26, 2017, 06:22 pm by hansibull.

Arduino Forum

 
Suggestions for the Arduino Project

Designing own arduino

Started by ruhina, 132 views, 4 replies, last on May 22, 2017, 03:13 pm by CrossRoads.

ArduinoJson memory leak

Started by bstsoft, 203 views, 2 replies, last on May 16, 2017, 12:51 pm by pert.

Release Notes for "HOURLY BUILDS"

Started by elektron_, 114 views, 2 replies, last on May 14, 2017, 03:44 pm by pert.

KiCad files for Arduino boards

Started by Jaakko_Fagerlund, 27,588 views, 24 replies, last on May 14, 2017, 03:24 am by westfw.

Arduino Web Editor

Started by octave21, 153 views, 0 replies, last on May 10, 2017, 07:10 pm by octave21.

About support to share files

Started by xiaomc, 128 views, 2 replies, last on May 09, 2017, 04:51 pm by ballscrewbob.

News • Re: ESPUSB Virtual USB driver for ESP8266

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ESP8266
GAME
(48h; 25/05/2017 11:03:32 -05:00)

News • Re: change nodemcu default Access point name AI-Thinkkerxxxx

Just enter the AT+CWSAP= command (with the required parameters) like in my previous reply above.Statistics: Posted by QuickFix — Thu May 25, 2017 9:23 am
MCU
(50h; 25/05/2017 09:23:53 -05:00)

News • Re: Is WiFi Direct support in ESP8266 using AT Commands

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ESP8266
GAME
(52h; 25/05/2017 07:31:28 -05:00)

ESP8266 Docs

 

Documentation • Re: ESPUSB Virtual USB driver for ESP8266

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ESP8266
GAME
(48h; 25/05/2017 11:03:32 -05:00)

Documentation • Re: Problem In STA+AP Mode

Could you rephrase your question, I'm not sure I understand what the question is.Mode 1 = Station mode (client): the ESP can connect to an AP in the vicinity.Mode 2 = AP mode (host): a client (like a smart phone, laptop, etc.) can connect to the ESP.Mode 3 = AP + Station mode: the ESP can connect to other AP's and client can connect to ESP.You *should* never have to change the MAC anywhere; it is possible, but you generally never need it.After…
LED
REMOTE
(49h; 25/05/2017 09:35:09 -05:00)

Documentation • Re: ESPUSB Virtual USB driver for ESP8266

Hello guyI Like this page If u want play casino online all gamesPlease Click HeregclubsbobetThank You !Statistics: Posted by smeyvalentine — Thu May 25, 2017 7:30 am
ESP8266
GAME
(52h; 25/05/2017 07:30:26 -05:00)


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