Quantity   Component name
1 × Arduino Mega microcontroller
1 × ST7920 chip based LCD with 128x64 dots resolution
1 × BC337 NPN Transistor
1 × two resistors (470 Ohms and 10 Kiloohms)
1 × trimming potentiometer 10 Kiloohms
1 × three Buttons
1 × Stainless Hand Electrodes (which are connected to these clips)
1 × 9V Battery