Sensing PC temperature with your Arduino

For the serious PC enthusiasts and overclocking crowd who are concerned about the internal temperature of the rig due to extra GPU cards, serious power supplies and so on – this project is for you. Simple, yet quite useful – measuring the internal temperature of the PC with an inexpensive temperature sensor and displaying the results with some coloured LEDs.

Powering the project shouldn’t be a problem, as most motherboards should have a spare USB line, or you could split a drive power supply cable and take 5V from that. One could also run a USB cable from the Arduino board back to a spare slot at the rear of the case to allow  upgrading the Arduino sketch without pulling the case apart. To get started with your own version – consider using a Freetronics LeoStick. Apart from being one of the smallest Arduino-compatibles on the market, it has onboard USB, RGB LED and a piezo for sounds (useful for a high temperature alarm!)

For temperature measurement, we have a highly-accurate temperature sensor module, and a bright yet customisable RGB LED module for the display:

 

For more infomation and instructions, visit the project page

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