UV light patterns thermochromic crystals without damage, unlocking color-changing designs

Color-changing mood rings, forehead fever strips and car-shade indicators all change hues as they warm and cool, thanks to a ...
Hackaday

All The Different Lasers, And How Well They Mark 3D Prints

Stefan] of CNC Kitchen has an informative video describing his experiences with trying to cleanly laser-mark 3D printed ...
note

[Arduino] Checking if the room light is on from the outside. Building a "Door-Through Lighting Indicator" that runs with auto-calibration and ultra-low power consumption

Have you ever been in a situation, whether in a conference room, a private office, or a room in your own home, where you can't tell if someone is inside (or if the light is on) from the outside ...
C&EN

Surface Morphological Growth Characteristics of Laser-Induced Graphene with UV Pulsed Laser and Sensor Applications

Interdisciplinary Department for Innovative Manufacturing Engineering, Pusan National University, Pusan 46241, Republic of Korea ...
GitHub

Adafruit ADXL343 + ADT7410 Sensor FeatherWing.fzpz

Customer stories Events & webinars Ebooks & reports Business insights GitHub Skills ...