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I operate the lock through firebase.
So I send the value of Pin D7 whether it's HIGH or LOW through firebase.
I haven't tried to shortout the contacts, I'll try it first and update you later.
Watha
Hello Claus, I've tried using Adaptor DC 12V as source power and using Lm7805 to get 5Volt for powering up ESP8266.
But it still does not work.
I'll try using another USB and update you later.
Hello Brian.
Thanks for your reply.
I've tried to use Vin pin as you've said.
I could hear the "click" sound in relay it means that relay should be working.
But when I change the value in D7 pin, it still does not change the state of door lock.
When I tried to measure the voltage in pin D7...
Hello, I'm new in electric and I'm trying to use ESP8266 for controlling selenoid door lock, as picture attached.
I've checked ESP8266 works fine it could get data from firebase and send data to pin.
But I could not make it works with Selenoid Door Lock.
For battery I used 9v alkaline battery...
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