Quantity   Component name
1 × Arduino Micro With USB
1 × 28ga wire 2ft minimum
1 × Resistor 8k-10k Ohm
1 × Capacitor 0.1 or so microfarad
1 × electrode in my prototype, it's made of foil and straps
1 × Heating Device use a tiny resistor
1 × 2032 connector for a battery!
1 × 2032 battery for electric power!