A linux driver for reading the temperature from an inexpensive USB thermometer you can buy for example from eBay for about ~10 euros.
Code originally written by Robert Kavaler.
- If not installed, install these necessary packages
sudo apt-get install libusb-dev libusb-1.0-0-dev - Compile with
make - Run with
sudo ./temper - To fix a systematic error in the measurements, edit the source file line 58 (
const static int offsetDegrees = 0;) to a suitable amount in degrees (celcius) you want to change the measurement result with. Then compile again withmake.
- If outputting only deg C or dec F, do not print the date (to make scripting easier) (by Patrick Skillen (pskillen@gmail.com))
- Added constant to correct for systematic error in measurement (by Steffan Slot (see http://dev-random.net/temperature-measuring-using-linux-and-raspberry-pi/))
- The original version of pcsensor0.0.1 contains a bug: temperatures below zero overflow and instead of displaying -1.3 C, 254.3 C is displayed. This is a quick and dirty hack to fix it. http://bailey.st/blog/2012/04/12/dirt-cheap-usb-temperature-sensor-with-python-sms-alerting-system/