We’ve been designing all types of IR transmitters and receivers for the Adafruit store currently, and an opportunity dialogue received us enthusiastic about IrDA – an previous wi-fi protocol utilized in some PDAs, watches, laptops and toys. its not used anymore – bluetooth LE does a means higher job – however there’s in all probability some instances the place IrDA hacking may very well be helpful comparable to speaking with retro gadgets or in order for you an RF-less wi-fi hyperlink. right here’s a board that mixes a TFBS4711 transceiver (https://www.digikey.com/brief/jn43cz31) with a MCP2112 codec (https://www.digikey.com/brief/m8tp3708). you possibly can talk at 115.2kbps with RX and TX traces identical to any UART. 115.2kbps is the usual baudrate. or, present your personal CLK for one thing like 9600 baud. Coming quickly.
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