Garage Door Position Using Arduino

Arduino garage door opener.

Garage door position using arduino.

One sender unit mounted on the garage door and a receiver unit that sat inside with an indicator light with rf comms using one of the many different types of arduino rf shields. In order to check the door state proximity magnetic switches are used. To calibrate the system the analogread values for ten somewhat equally spaced garage door positions are placed in an array of integers. Arduino wifi garage door opener step 1.

Before getting started you should find the best way to connect to your garage door opener. Since i wanted to sense the normal state i e. The magnet is on the door. When the fingerprint scanner detects a match it turns the red led green and the applies 5v to the left prong of the transistor which switches and applies 0v to the positive terminal on the garage door bridges the connections for one second and then transistor turns back off.

A freetronics etherten or other network capable arduino board this is the brains of the. The protoshield on the left of the arduino replaces the breadboard. This is very handy when i need to get in with a handful of groceries. Sms is used as a communication system as this is more secure as a plain internet connection.

The garage door is closed as high on the arduino the closed door sensor is connected to the no pin and the fully open sensor is connected to the nc pin on the switches. Time to solder. Magnetic reed switches located on the garage door rails to monitor door open and closed. Garage parking assistant project tutorial by bcjams.

Garage parking sensor using addressable rgb leds to provide feedback to vehicle driver as they approach and reach stop park position. But this was complete overkil so in the end i settled on 2 colour high intensity 3 watt led that could be mounted outside our kitchen window and be driven by a cable. Uses ifttt to update a google sheet when the status of the door changes. Another same size array of doubles receives the corresponding door positions in whatever units you want.

The diodes keep the high voltage from damaging the arduino board 3. These can be static arrays that are initialized in your arduino code. Of course those can be replaced by microswitches.