Home Thermostat With Arduino and LCD
ArisK3 @ instructables.com decided to replace his home thermostat with a DIY one so he build an Arduino based thermostat with big character LCD. Replacing a standard thermostat (SIEMENS-RAA30 16GR) with a self made, arduino-based, big LCD screen is a fun project. Home Thermostat...
Continue ReadingArduino Voltmeter Prototype
Proto G @ instructables.com has build an Arduino based digital voltmeter that is able to measure up to 30V and it's using an OLED LCD display. In this instructable, I'll show you how to make a simple arduino voltmeter. It can measure voltages in excess of 30VDC depending on how you...
Continue ReadingPortable Ultrasonic Range Meter
ManosM @ instructables.com has build a portable ultrasonic range meter based on ATMega328 mcu and LCD display. This device is a small, portable ultrasonic range meter using an ATMega328 microcontroller, an ultrasonic module and a 4x20 LCD for ranging distances in meters and...
Continue ReadingAC Solid State Relay
This simple circuit designed around Solid State Relay S216S02 from SHARP. The S216S02 solid State Relay (SSR) is an integration of an infrared emitting diode (IRED), a Phototraic Detector and a main output Traic. These devices are ideally suited for controlling high voltage AC loads...
Continue ReadingHow to migrate from Microchip to Freescale and Why
Maurizio Di Paolo Emilio has pointed us to this latest article on why to choose Freescale mcu versus Microchip ones: The task of choosing the best micro for an application is not made easier by the multitude of suppliers you have at hand today, this being the drawback of having so...
Continue ReadingLPG Sensor Alarm
sameer @ sgprojects.co.in has build a LPG gas detection circuit based on LM358: LPG gas detection project’s main idea is to implement the security system for detecting leakage of liquid petroleum gas in closed environment. In this project gas leakage is identified by using MQ6 gas...
Continue ReadingFobble – A general purpose Wireless Breakout Board!
Ken Boak has designed a compact board with RFduino Bluetooth Low Energy Module: This week I have been working on another of my standard footprint 50mm x 50mm boards - it is a general purpose wireless module carrier board:- Fobble. That's a BLE Fob - for anyone who misses the...
Continue ReadingRF Probe
m0xpd @ m0xpd.blogspot.com has build a RF probe on a little PCB board. Today I finally got round to building a nice little RF probe kit from Rex, w1rex, the Tuna King over at QRPme. RF Probe -...
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