This device measures the rotational speed of fans and records the difference of temperatures due to variating speeds said fans.
High-resolution, open-source, wireless laser DAC with SD-card playback, network control, and ILDA output.
After a simple calibration, the laser beam points extremely close to the desired target, making it possible to find many deep-sky objects
Project #14: Components - Laser Pointer - Mk22
A laser shooting game built with M5Stack. Select Real or Practice mode, aim at the target, and count every successful hit in real time.
Laser alignment meets digital angle readout in one open-source handheld tool — no 3D printer, no expensive parts.
Use any diode laser engraver to burn a personalized monogram into a maple cutting board — beginner-friendly, giftable result.
