Component List

Resistors

RN1 = 22 kΩ

R1 = 100 Ω

R5 = 1 kΩ

R6 = 4.7 kΩ

R10 = 100 Ω (between X5 and via)

Capacitors

C1 = 100 nF

C2 = 100 nF

C3 = 22 µF

C5 = 2.2 µF

C6 = 10 nF

Miscellaneous

IC1 = PIC12F1822 (or PIC12F1840)

IC2 = 78L05

IC3 = TSOP1736 (Pinout: X2 = signal, X3 = GND, X4 = Vcc)

LD1 = green LED, 3 mm

Q1 = BC547B

Ry1 = Relay 12 V SPDT