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Simple Access Control Circuit

@RAMJr
7 years ago
https://everycircuit.com/circuit/5005322581442560
-Mag Lock Circuit- LED = Mag Lock 24v Power Supply Relay Controlled Circuit (upper right half of the circuit) -Controller Circuit- Power supply Push Button (at Reception Desk, etc.) 25uF Capacitor = 6 sec. Timer control for Relay Add Capacitors with SPST switches to increase time. 25uF + 15uF = 9 sec. 25uF + 15uF + 10uF = 12 sec. (lower left half of the circuit) -Instructions- Push the mommintary button to deactivate the Mag lock (change timer by changing capacitor size and/or input voltage)
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