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Upcycling a vintage film camera with Raspberry Pi
Gone are the days of vintage film cameras. If you still have one such camera lying around, you might want to consider upcycling it to a digital camera as a weekend fun project following this...
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Bluetooth enabled pedometer design
Microchip provides an application note describing a Bluetooth Low Energy (BLE) enabled pedometer example that uses an MSP430F5229 reference pedometer design is a portable electronic device that uses...
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Controlling relay switches with an infrared remote
The infrared (IR) communication technology, which existed long before WiFi and Bluetooth, is still a key component in implementing major components of a typical home automation system. For example, IR...
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DIY GSM cellphone using Arduino
A very simple DIY GSM phone designed by bobricius using Atmega328 and SIM800L Quad-band GSM/GPRS Breakout Module. The phone uses Avago HCMS 8 digit display and 16 keys for dialing numbers. The current...
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Personal location tracker
Tiobel‘s Track Me project describes a personal GPS tracker using an Arduino Mega along with a GPS module and a GPRS Shield. The GPS module finds its location using data from more than 3 satellites. In...
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OpenRC Tractor
OpenRC is an open source 3D printed RC tractor designed all from scratch. It is a 1/10 scale replica of an original Ebro 160D tractor, with RC electronics. OpenRC Tractor I also prepared some basic...
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DIY IoT breathalyzer
Dominic Peters shares his project about making an IoT breathalyzer using ESP8266 on Hackster.io. It uses the MQ3 sensor for detecting alcohol concentration on your breath. The ESP8266 reads the sensor...
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Virtual fireplace using Raspberry Pi
Jaret Burkett, a tinkerer from Texas, enjoys fireplace. But the warm weather of Texas won’t let him run the fireplace most time of the year. One day, he figured out he could simulate a burning...
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Data logger for Skiers
Matthew Magaldi and Aidan Angus are both winter sport enthusiasts who love skiing. They designed a PIC32-based data logger system that captures their skiing experience on a SD card and also wrote a...
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End of Year Sale at Microchip Store
It’s time for the end-of-year sale at Microchip store. This year’s discount coupon code is EOY2016DT, which could save you some money on your favorite development board. Using this code can get you $65...
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Minimalist ATtiny85 wrist watch
David Johnson-Davies’ minimalist ATtiny85 wrist watch displays time using 12 LEDs that are arranged in a circle like a watch dial. A push button, installed on the top side of the PCB, needs to be...
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Serial seven segment LED display shield
Seven segment LED displays are brighter, more attractive, and provide a far viewing distance as well as a wider viewing angle compared to LCD displays. This project describes a serial seven segment LED...
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Product review: Elecrow’s 7″ HDMI LCD Display for Raspberry Pi
A colorful LCD display is always a great add-on to any Raspberry Pi project. This article provides a quick review of a high resolution (1024×600 pixels) 7″ HDMI LCD product from Elecrow and illustrates...
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8-channel AC current data logger
This Arduino-powered 8-channel data logger built by smooth_jamie can measure AC currents drawn by home appliances or other equipments, and record the data on an SD card with timestamp for future use....
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Etch-a-sketch on a VGA monitor using Arduino
Kids love Etch-a-sketch drawing boards. Rob Cai shares on this Instructables post how he has built a Etch-a-sketch like drawing tool using Arduino Uno and a VGA monitor. Besides an Arduino board, this...
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Another minimalist wrist watch, but with binary display
Earlier this week, we saw David Johnson-Davies’ minimalist ATtiny85 wrist watch that displays time using 12 LEDs arranged in a circle like a watch dial. I found another interesting LED-based wrist...
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Arduino synthesizer with a 1-octave capacitive touch keyboard
DIY audio synthesizers are not new. We have seen before some really cool synthesizer builds using Raspberry Pi and NXP LPC1114FN28 ARM. Here comes TinyTS, an Arduino-based credit card sized (100x65mm)...
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Smart WiFi thermostats using ESP8266
Another smart wifi-enabled thermostat using ESP8266 and a nice user interface using ILI9341 LCD display along a rotary Encoder and pushbutton. Temperature and humidity measurements are made using DHT22...
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Fingerprint controlled door lock
This fingerprint lock is described in an Instructable posted by JetLab and is about building an Arduino-based electronic door lock that can be installed on almost any access point in your house. The...
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Alexabot: An Amazon Alexa controlled robot using Raspberry Pi
Alexabot is a fusion of Amazon’s Alexa Voice Service (AVS) with Raspberry Pi to build a robotic vehicle that follows your voice commands. You can ask the Alexabot to move around, do some stuff, and...
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