Dog owner uses Raspberry Pi to build bark-activated door opener Pi-Rex – PCR-online.biz

Dog owner uses Raspberry Pi to build bark-activated door opener Pi-Rex PCR-online.biz A dog owner has used his Raspberry Pi to build a noise-sensing circuit that opens the door for the canine when it barks. Dave Hunt's project was posted on the Raspberry Pi website, with Hunt saying that the barking of his new dog to be let in and out ..