[Steve] sent in a tip to show us his Thermography scanner. Constructed from an Arduino, two servos, a thermal sensor and a little bit of code, it is fairly simple. The results aren’t groundbreaking.

The keypad uses an onboard ATMega328P to scan the matrix for button presses, decode them, and send them via UART or I²C to an Arduino. [ELECTRONOOBS] has the PCB files available via Patreon for ...