@drio, @chase: you can connect the RPi GPIO to the base of an NPN transistor with the collector and emitter each connected to opposite sides of the garage door opener button. I've tested successfully following the Adafruit tutorial, which is nearly identical.
@drio, @chase: you can connect the RPi GPIO to the base of an NPN transistor with the collector and emitter each connected to opposite sides of the garage door opener button. I've tested successfully following the Adafruit tutorial, which is nearly identical.