Quantity   Component name
1 × NE 555 main controller of our circuit 555 timer IC
1 × Micro-Pump / Solenoid to pump / dispense the sanitizer
2 × 22k resistor
2 × 1k resisstor
1 × 470k resistor
1 × 22 ohm resistor to drive power transistor
1 × LED Fiber Optics / Emitters
1 × Diode IN4001 flyback diode
1 × IR pair IR par (Tx and Rx) for sensing and detection
1 × 5v / 12v power supply any 5v 1A charger to supply power
1 × TIP-122 NPN Power Transistors (to drive pump)
1 × BC-547 Transistor (to amplify / invert sensor signal)
2 × 10uf electrolytic capacitor 25v capacitors
1 × 2.2uf electrolytic capaciors 25v capacitors