How to make a electronic lock.(Combination lock using 4017 ic)

Published: 07 January 2018
on channel: CREATIVE STEAD 0528

18,092

261

MATERIALS REQUIRED:
4017 ic
*100 k resistor
*IN4148
*9 v battery
*100 micro farad capacitor
*push buttons
*PCB
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4017 IC CIRCUIT DIAGRAM: http://www.fotothing.com/photos/200/2...

PUSH BUTTON CONNECTION FOR CODE 2817:http://www.fotothing.com/photos/e17/e...

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