Send & Receive 443~Mhz Transmissions Getting IR working is probably the most standard and well investigated side of this project. Now we’re starting to step off the beaten track, and while by no means a novel or undocumented step. Things are starting to get less straight forward. Adding the ability for my Amazon Echo to control ‘dumb’ appliances was the main goal. I’d come across the Energenie products already, and the Pi-Mote shield looked good; but it seemed a waste of a board. If I’m using a Raspberry Pi – I don’t want it limited to one form of IO. So while my own boardRead More →