NRF24L01+ 2.4GHz Antenna Wireless Transceiver Module


SKU: 1605


Pin and SPI Connection
nThe module has following pins connecting to a microcontroller:
nGND: Ground.
nVCC: 3.3V.
nCE: Chip (RX/TX) Enable, highly active. If high, module is either sending or listening.
nCSN: Chip Select Not, low active. If low, the chip responds to SPI commands. This is actually the ‘real’ chip select signal and is easily confusing with CE which enables/disables the transceiver radio part.
nSCK: SPI Shift Clock, up to 10 MHz.
nMOSI: Master-Out-Slave-In, used to shift data from the microcontroller to the device.
nMISO: Master-In-Slave-Out, used to shift data from the device to the microcontroller.
nIRQ: Optional Interrupt Request pin. Signals RX/TX status like packet sent or received.


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