WOW, ambitious project! Sounds like a winner & I'm sure your son learned a lot (maybe you did as well) :-) Glad you found what you were looking for & I bookmarked the site myself for reference, Thanks!
OK, we all know that during a downpour water runs inside when the front doors are opened. Anyone tried these with any success? The reviews are quite mixed:
Just chiming in, yes the steps will be like that until initially powered on. I had the same concern but when powered up all was happy. Amp is HORRIBLE with customer support via phone & email. They need to work on that as it spoils an otherwise good product!