Qty Value Device Package Parts Description VENDOR VENDOR-PART-NUM 1 74AHC74 SO14 IC1 Dual D type positive edge triggered FLIP FLOP, preset and clear Digikey 568-4458-1-ND 1 HDR-2X1-LCK HDR-2X1 CN1 2x1 pin header with friction lock Mouser 571-6404562 1 PCF2123 TSSOP14 IC2 Real-time clock Digikey 568-4534-1-ND 2 0.1uF C0.1UF_C0603 C0603 C1, C2 0.1 uF Capacitor, 25V, X7R Digikey 1276-1126-2-ND 2 1.0M R1M_R0603 R0603 R6, R7 1M Resistor, 1%, 0.1 watt Digikey 311-1.00MHRTR-ND 4 100 R100_R0603 R0603 R1, R2, R3, R4 100 Ohm resistor, 1%, 0.1 watt Digikey 311-100HRTR-ND 1 220 R220_R0603 R0603 R5 330 Ohm resistor, 1%, 0.1 watt Digikey 311-220HRTR-ND 2 2N2007 2N7002L SOT23 Q1, Q2 2N7002 NFET Digikey 2N7002LT1GOSCT-ND 1 32.768kHz SPT2A SPT2A X1 Seiko CRYSTAL Digikey xxxxxxxxxxxxx 1 BAT54C BAT54C SOT23 D1 BAT54C Dual Common Cathode Schottky Digikey DB3X313N0LCT-ND 1 BB_CON HDR-4X2-SHR HDR-4X2 BB4 Shrouded 4x2 pin header Digikey 609-3530-ND 1 CR2032 CR2032_KEYSTONE CR2032_KEYSTONE BATT CR2032 Battery holder Digikey xxxxxxxxxxxxx 1 Red_LED LED-0805-RED 0805 ALARM Red 0805 LED, 41mcd@20ma, 160degree Digikey 475-1415-6-ND