Description
Raspberry Pi SenseHat BadUSB we specified a nice neutral Variants:PTFS 700 GPIO 40Pin 42 OLED submodule 3D3034 2 we specified a nice neutral 4150°K temperature LED with a MOSFET driver onboard to illuminate what you're trying to sense so you only need 7 microcontroller pins (3 columns and 4 rows) to scan through the pad