Pay
Electronic Combination Lock

Electronic Combination Lock

+IC140221410543121611781513CP0VDDQ7Q6Q5Q4Q3Q2Q1Q0MRCP1+SOLENOID+12VR110KR4820KR1100ΩC247μ16VR282ΩR310KC116VR13100KGNDR6-R12 = 27KS1-S10 = PUSH-TO-ON-SWITCHS10R54.7KD21N4007T2BD139T1BC548R12R11R10R19R8R7R6S9S8S7S6S5S4S3S2S1Electronic Combination Lock
4
0
0
publish time: 2020-10-23
Circuit Everyday

You can easily combine this 7-bit password lock for any password you choose.The circuit USES a 4-bit 8-frequency Johnson counter (IC1), ten button switches and an NPN transistor T1.

See More Related Templates