The important piece of hardware which detect the physical world the garage door into electron signals for the raspberry pi.
Raspberrypi garage door and sensor.
Aleph dc 1561 w surface mount alarm magnetic contact package of 10.
Then wire pin 6 gnd to the gnd on the relay.
Wire pin 2 5v on the pi to the vcc pin on the relay.
The relay should be wired in the normally open position so that when activated the circuit will close and the garage door will open close.
Get it as soon as thu jul 9.
All activity is monitored and logged using the raspberry pi.
In addition to a surveillance camera and motion sensors information about open windows and doors is also of interest to a self built surveillance system.
In the picture the wires are not connected normally but when the other white component which is a magnetic comes near 0 5 inch away the reed switch closes.
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With a magnet attached to the garage door the pi relies on two magnetic reed switches to check the garage door s status.
A magnetic field will cause the reeds to come together thus completing an electrical circuit.
This sensor essentially is a reed switch.
Then wire the relay to the garage door opener.
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Amazon s choice for raspberry pi door sensor.