Quantity   Component name
2 × Through Hole Resistor, 2.2 Mohm Resistor
1 × Resistor 100k ohm Resistor
1 × CA3130 Amplifier and Linear ICs / Operational Amplifiers
1 × BC557 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
1 × BC547 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
3 × Resistor 1k ohm Resistor
4 × Capacitor 100 nF Capacitor
2 × Capacitor 22 pF Capacitor
2 × Capacitor 100 uF Capacitor
1 × 9V 1A Switching Wall Power Supply Power Supply
1 × DC POWER JACK 2.1MM BARREL-TYPE PCB MOUNT
1 × LED (generic)
1 × Buzzer