3029 - Electronic Combination Lock

Get a practical introduction to 'programmable' electronic locks with this fully working robust and versatile project.

The Control PCB contains all of the circuitry comprising of the decoding IC's, a matrix to set the four number security code using jumper wire provided and a relay output for switching an external loads.

The Control PCB is connected using the ribbon cable supplied to a separate touch Keypad PCB with 9 touch pads. If an incorrect digit is pressed the lock is automatically reset.

Technical Specifications
Supply	12Vdc (PSU446 with connector 778.106)
Output Type	1 x SPDT Relay
Maximum Output Load (Resistive)	Up to 48Vac or 28Vdc @ 3 Amps max. (Relay Datasheet)
Output Connections	NO, NC, C (Relay FAQ)
Control Board Dimensions	60x75mm
Keypad Board Dimensions	32x70mm
Product Format	SELF-ASSEMBLY Electronic Kit (KT ) more
Documentation	User Manual