thanks for the link to 2N - depending on costs it may save me a time implementing rs-485. The casing is huge, may be ok for a drivway system - in front of a ga

thanks for the link to 2N - depending on costs it may save me a time implementing rs-485. The casing is huge, may be ok for a drivway system - in front of a gate, but I would want the casing to be much more lower profile I have been playing with a crazy idea of getting some sort of realisic dog effect when the door bell is pressed, by using a linear solinoid and syncing the solinoid hitting the door frame (without daminging it) once or twice with a sound of a dog - playing on a few speakers - not all at once, some close and some further away to the door so it sounds like the dog is coming to the door then running off