During a recent trip to Bhutan, [electronut] wished for a device that would show the temperature ... parts are an Arduino Pro Mini clone, a BMP180 sensor and a Nokia 5110 LCD module.

[Jens]’ device consists of an Arduino, LCD display, and two sensors – one for acetone, and another for temperature and humidity. By carefully calibrating a TGS822 sensor, [Jens] was able to ...