I actually built the data logger myself when Samir published this last year. With a few small mod’s (Ill dig it out and post it) I added the DS18B20 sensor, just £2 on eBay in a complete probe ...

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 ...

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 Arduino compatible Pax Instruments T400 Temperature Datalogger is now available to purchase priced at $175 from Adafruit. If you liked this you might also be interested in building an Arduino ...