An multimeter an app installed on smart phone or tablet.
Sonoff to control garage door.
Much much more compact.
Nodemcu esp8266 chip for door sensor.
In addition to using the sonoff sv to open and close the door i used the gpio 14 pin on the board to add the door sensor to the sonoff sv.
I have setup two sonoff basics running tasmota to monitor status and control garage doors.
Spare remote control for security 2 0 garage door opener sonoff 4 channel pro relay.
1 remotely control your door anytime and anywhere via an app on the smartphone or tablet.
Sonoff garage door opener.
Interlock feature is required to do it.
2 controlling a garage door motor is not that simple because the motor can be powered to open or close and must not be powered to open and close at same time otherwise the motor will be damaged.
I have been playing around with the nodemcu devices for some time now but found these sonoff devices about 6 months ago and have made a number of projects with them now.
3 you must set the sonoff to interlock mode so that when the garage door motor is powered to open then any power to close is disconnected.
Sonoff sv is a wifi 2g 3g 4g wireless smart switch that supports 5 24v power supply.
Directly check how to achieve it in the infographic or you can refer to the following operating and setting methods for detailed guidance.
If your garage door is not mains powered you can also grab a sonoff sv or build a relay board yourself as written by others level 2 4 points 2 years ago this is what i did sonoffsv.
An electric soldering iron.
2 share access permission with anyone so that he or she will also remote lock or unlock your door.
I use two reed relays connected to gpio14 to determine door position closed.
This project involved a modification so i thought it different than normal and.