PCB === 1 pcs Factory made blue PCB 6 pcs 2 pin header 2.54mm pitch (J1, J2, J3, J4, J5, J6) 1 pcs 16 pin header 2.54mm pitch (J7) 1 pcs Jumper for (J1) 2 pcs REL1, REL2 (Miniature signal Latch Relay AL5WN-K) 1 pcs 28 pin IC socket for PIC16F870 RESISTORS ========= 100 = R2 1.0k = R6, R8 3.3K = R1, R3, R4, R5 42k = R10 100k = R7, R9, R11 CAPACITORS ========== 22pF = C4, C5 220pF = C7, C8 1nF = C6 100nF = C2, C3, C11 2.2uF = C9, C10 47uF = C1 INDUCTOR ======== 100uH = L1 VOLTAGE REGULATOR ================= V1 = TK15550 (+5V reg) CRYSTALS ======== X1 = 4.000 MHz SEMICONDUCTORS ============== IC1 = PIC16F870 programmed and tested IC2 = LM311DT (smd) LCD = 16x2 LCD Blue backlight and White character