Price:
Parameters:
Power supply voltage: 3-5V
Size: 66 * 61MM
Maximum detection range: 5CM
Package included:
1 x PCB board
1 x Buzzer
1x 100UF25V electrolytic capacitor
2 x 104 ceramic capacitor
2 x 222 polyester capacitor
1 x 220K 0.25W resistance
1 x 2.2K resistance 0.25W
1 x 100 European blue potentiometer
1 x 9018 Transistor
1 x 9015 Transistor
1 x 9012 Transistor
1 x 22AWG wire red 10CM
1 x 22AWG black 10CM
