We’ve been designing all sorts of IR transmitters and receivers for the Adafruit shop lately, and a chance discussion got us thinking about IrDA – an old wireless protocol used in some PDAs, watches, laptops and toys. its not used anymore – bluetooth LE does a way better job – but there’s probably some cases where IrDA hacking could be useful such as communicating with retro devices or if you want an RF-less wireless link. here’s a board that combines a TFBS4711 transceiver (https://www.digikey.com/short/jn43cz31) with a MCP2112 codec (https://www.digikey.com/short/m8tp3708). you can communicate at 115.2kbps with RX and TX lines just like any UART. 115.2kbps is the standard baudrate. or, provide your own CLK for something like 9600 baud. Coming soon.
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