This is the main board that fits inside the PKE Meter shell from MSHDesignStudios.
It requires the following parts:
- Two 74HC595 Shift Registers
- Arduino Nano
- DFplayer w/ SD Card
- Two 1k Ohm Resistors
- One 1N4001 Rectifier Diode
- Optional 470uf Capacitor – 10V
Note that this PKE Meter board runs on custom code and NOT the code that was included with your MSHDesignStudio purchase.