TIMER RELAYS PIEZO DISC FOR BUZZER SENSOR SPEAKER TRANSISTOR 5 EKK SEALED LEAD ACID BATTERY CHARGER 612BC3 F-TYPE CONNECTOR WITH CRIMP RING- RG59 KF2EDGVM TRANSISTOR SMD  DC POWER CONNECTORS COIN CELL BATTERY HOLDER FOR CR2032 RECTANGULAR BUZZER DC24V DIAMETER-16mm LED NUMERIC 7-SEGMENT DOT MATRIX DISPLAY KFM736-02-3,6 0201 1/20W 0.05W 1% & 5% SMD RESISTOR R-0201  TERMINAL BLOCK SPRING CLAMP & CERAMIC EQUIPMENT WIRE SONY HEAVY DUTY BATTERY 1.5V AA 6.35MM MONO PLUG TO 2 RCA JACK CONNECTOR  PIN HEADERS MINI JUMPERS ELECTROLYTIC CAPACITOR FLEXIBLE TOP LED STRIPS DIODE SUPPRESSION 1.5KE SERIES 1500W DO-201AE BOM service electronic components