matt sarnoff on Twitter: "PixMob wristband teardown: - Two CR2032 coin cell batteries (most green/blue LEDs need more than 3V to light up) - ABOV Semiconductor MC81F4204 8-bit MCU (4K ROM, 192B
Pixmob | Hackaday
matt sarnoff on Twitter: "PixMob wristband teardown: - Two CR2032 coin cell batteries (most green/blue LEDs need more than 3V to light up) - ABOV Semiconductor MC81F4204 8-bit MCU (4K ROM, 192B