PCB === 1 pcs PCB etched and drilled 2 pcs Pin header 2.54mm pitch RESISTORS ========= 100 = R7 3.3K = R1, R2, R4, R5 10k = R3 100k = R6 CAPACITORS ========== 47pF = C4 1nF = C5, C6 100nF = C1, C2 220uF = C3 (470uF equal good) VOLTAGE REGULATOR ================= V1 = 78L05 Inductor ======== 10uH = L1 SEMICONDUCTORS ============== IC1 = LMX2322 IC2 = PIC16F84 programmed Q1 = BC817-25 (NPN) SW1 = Jumper or switch