Lock/unlock door on contact sensor change?

[coedshowers (Mase Driskell)]

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RFID Smart Things Trigger

cost $20 for the zwave door sensor on sell, rfid keypad/reader $15 Optional 12v acess controll PSU $16, 12/24v to 3.3 step down $2, Door maglock or latch lock $20. I already have a zwave deadbolt on my house so I didn’t put that in the cost since any zwave deadbolt will work or you can hard wire in a mag-lock or a latch hooked to the door access psu. This shows a cheap $20 zwave door sensor hooked up to a RDIF door access system from amazon/ebay. These systems are cheap and work pretty well. You can just run ethernet or thermostat wire to the RFId reader and put everything else in a wall box in the garage or basement. 5 wires 12v+ 12v- PUSH ( this sends high.low to the power supply to trigger the NC/Com/NO switches ) This is optional I do not use this but if you use a 12V door …

There is my finished product.