Esp8266 12e Relay Garage Door Opener

The vu offers usb power 5v which is required to power the relay.

Esp8266 12e relay garage door opener.

Shelly 1 inside my garage door opener. You can control anything with your phone nowadays. You can switch the d1 d2 power and ground pins as you see fit. Always put the esp8266 gnd to the garage motor operner.

The reason i wanted this was to be able to close my garage door remotely in case i left it open accidentally. If this one is too higher than 5v you will have 2 choices. 1 make a circuit divider with 2 resistors. Shelly connected to the logic board of the garage door opener.

Warning it will oscillate if you fallow the other tutorials i tried the transistor and also using the opto isolator connected to ground but both pull the esp too close to ground it shorts out and will keep resetting itself. Smartthings triggers the relay which completes the circuit pushing the garage door opener button. Smart phone wifi controlled garage door opener with esp8266. During the rainy season here on the west coast of canada it s even worse.

In this project we will use an esp8266 with cayenne to control a garage door opener. 2 install a separate magnet switch also attention to the polarity when connecting the relay board to the garage opener. Nodemcu esp 12e l298 motor driver or relay module. Nodemcu is powered by a microusb 5v and steps it down to 3 3v for the esp8266.

Putting the lid back on and everything is hidden from view. Esp8266 wifi garage door remote. I used an esp8266 nodemcu with a 5v relay connected normally open directly to the terminals on the back of the garage door opener unit. Dht22 am2303 temperature humidity sensor.

My garage door opener comes with 4 terminals. Connecting it to vin or 3v will not work. And it s never been easier for diyers to make their own home automation components. Use your multi meter to check the input of your garage door.

We use our garage more like a main entrance to the house because using the actual front entrance tracks a lot of dirt into the house due to the poor layout. Attached with adhesive tape. I also use openhab home automation and included mqtt to be useful with that. The shelly is connected to the garage door opener s logic board to toggle the state and also received 24v of power from it.

L298d motor driver module has an inbuilt 5v supply but if you are using l293d ic then you have to make a 5v power supply circuit using 7805 ic. The garage door remote usually operates with 12v but gets the job done with 5v as well. Complete circuit diagram for smart garage door opener is given below. I haven t been able to get the fake light to indicate if the garage door is open just yet.

But i believe there is just one vu pin for the red relay cable on the nodemcu. Connections for the circuit are given. By accessing pin vin we can still get 5v out to supply power to the 5v relay and the garage door remote.