Another reader stefan sent us entry that accomplishes the same tasks using an android app and an arduino controlled sensor.
Homemade garage door monitor.
We have had a few posts about monitoring your garage door but this one is a little bit different.
Make sure you use a resistor with the led.
An extra remote control for your garage door opener could be mounted inside the house and if the door is open you could use that to close the door.
Garage door monitor step 1.
Close the garage door and note the voltage on the meter.
Now its time to take some data.
Diy garage door sensor scott merrill 11 years.
Did it decrease as the garage door closed.
This iot project is designed to create a useful device and also a.
Just stick the sensor to the door and set the monitor in a conspicuous spot like your nightstand.
And now thanks to a new instructable i can make my own hey dummy you left your garage door open reminder system.
To find a monitor search online for garage door monitor the brand of your door or opener doesn t matter.
From the switch run a wire to the resistor for your led and then the led.
This project uses the nodemcu module.
Garage door opening was a popular topic for this week s contest.
It has an esp8266 12 as well as power and communications for.
What you will learn from this project.
Open the garage door and note the voltage on the meter.
Three methods are shown below.
Connect a voltmeter set to measure dc volts on the output of the potentiometer and then plug the wall wart into an ac outlet.
Then run a wire from the negative lead of the led to the negative lead of the wall transformer.
For example you could create a garage door monitor by carefully angling a mirror or a series of mirrors that allow you to see if the door is open by just opening the garage door.
Any monitor will work.
Of course that all depends on whether or not you have a server a fair amount of coding skills and a few spare parts lying around.