Quantity   Component name
1 × Teensy 4.0 Teensy microcontroller
1 × Game Boy DMG RIPS mod IPS mod designed for Game Boy
1 × Bi-directional level shifter TXS0108E Level shifter to translate between 5V from Supervision to 3.3V for Teensy
1 × Solid State Relay LBA110 DPST 120mA 350V Solid state relay to switch on/off the Supervision console