Posted in Arduino Hacks, green hacks Tagged arduino, data logger, temp logger Compost Heap Temperature Logger Helps Keep Things Hot April 8, 2011 by Mike Nathan 12 Comments ...

This is a little DIY project with an Arduino Uno, SD card breakout board, and LM35 temperature sensor. To build a temperature logger using a microSD card, just connect the LM35 analog temperature ...

The extendable Arduino GPS data logger consists of a shield, that is fitted with the GPS receiver, SDcard reader and the accelerometer, together with an Arduino UNO board ...