The camera combines an Adafruit thermal receipt printer with an OpenMV camera, both easily sourced, if not exactly cheap. It even adds a ST7735 LCD for live display of the camera’s image, just ...

Krejci’s design, while affordable, offers an 8×8 resolution, which is the maximum output of the AMG8833 infrared sensor array. DIY Arduino thermal camera Watch this video on YouTube.

If you want to image your 3D printer hot end or your basement metal smelting operation, that might be a stretch with cheap cameras. The FLIR One Gen 3 they mention, for example, tops out at 120C.

Raspberry pi Zero W EM5820 thermal printer 2s 1200mah li-ion battery raspberry pi camera v1.3 2 green, 2 red leds ST7789 240x240 SPI screen EC11 rotary encoder (D profile) 2s lipo protection board ...