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Electromagnetism

2 Posts authored by: phoenixcomm Top Member
Good Electric Strikes are not cheap. Yes, you can buy one for 30 - 50 dollars but in the end, you might not like it. Remember here is definitely: You Get What You Paid For It. So think twice before you drop your bucks on some cheap imported crap!   A Von Duprin is a heavy duty strike with a 24-volt  AC or DC coil. The cool part about this strike that it has Dual switch monitoring option has two SPDT contacts, one switch monitors the tripper which is depressed when the latch bolt is i ...
phoenixcomm

Smarthab: Door Locks

Posted by phoenixcomm Top Member Feb 22, 2019
I use an electric door strike, on Smarthab, it is relay controlled via 24VAC from the room controller. The room controller is a TI C3200 LaunchPad, this gives me ethernet access so there is no money wasted. The room controller talks to an external keypad with an RFID receiver installed as well. This can be coupled to the room controller for simplicity or directly controlled with an Arduino which would communicate to the room controller via RS-485. The decision to open the door or not is handle ...