Author Topic: nRF24l01 control with only 2 MCU pins by duplexing MOSI/MISO  (Read 908 times)

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Offline ralphd

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    • Nerd Ralph
I figured out a way to improve on my 3-wire nRF control circuit, getting it down to just 2 MCU pins.  I tested it on an ATtiny13a, which leaves 3 of the 5 GPIO pins available.
The code is for 8-bit AVRs, and should be easy to adapt to PIC or ARM.
http://nerdralph.blogspot.ca/2015/05/nrf24l01-control-with-2-mcu-pins-using.html

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