Main characteristics asymmetric encryption algorithm libsodium unlimited users per device.
Esp 01 garage door opener.
This project uses the esp 01 to control the garage door opener as well as sense when the door is open or closed.
A basic garage door opener using esp8266 01 hw 655 relay and a magnetic switch garage door arduino esp8266 hw 655 20 commits 1 branch 0 packages 0 releases fetching contributors gpl 3 0 c.
Esp8266 garage door opener.
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.
I didn t want a wifi enabled opener that requires a connection to the manufacture server or anything that could allow the door to be opened remotely far away from the house.
Clone or download clone with https.
Complete circuit diagram for smart garage door opener is given below.
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.
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.
If their garage door controller didn t have any warnings the garage door would just come down and damage the car.
The esp 01 talks via wifi to an openhab controller that monitors door status as well as sends door open close commands.
For example when users open a garage door they send firmware chunks transparently.
The updates are transparent through users normal utilization.
For some reason what actually happens is that the mosfet drops to a voltage below the point where the esp is operational but doesn t turn completely off it keeps leaking power at around 1 5v which causes the battery to drain and opening the garage door thus supplying full power doesn t bring the esp out of this strange state.
Our garage door opener only came with two remotes and while we can buy more remotes i though it would be better to have a wifi based remote that can be used from a smartphone.
The reason i wanted this was to be able to close my garage door remotely in case i left it open accidentally.
Smartthings triggers the relay which completes the circuit pushing the garage door opener button.
The esp 01 talks via wifi to an openhab controller that monitors door status as well as sends door open close commands.
Connections for the circuit are given.
Nodemcu esp 12e l298 motor driver or relay module.
If the beep goes off first the person who is unloading the car may have time to run over and hit the stop button on the wall and the manual button will always override the automated system on a ul listed device but not necessarily on other devices.
This project uses the esp 01 to control the garage door opener as well as sense when the door is open or closed.
