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- SCLK: Serial Clock (output from master)
- MOSI: Master Output Slave Input, or Master Out Slave In (data output from master)
- MISO: Master Input Slave Output, or Master In Slave Out (data output from slave)
- SS: Slave Select (often active low, output from master)
Hookup
2- Use the following ESP32 pin configuration for pairing ESP32 to nRF24L01+
CE -> GPIO17 GPIO
CSN -> GPIO05 VSPI SS
MISO -> GPIO19 VSPI MISO
MOSI -> GPIO23 VSPI MOSI
CLK -> GPIO18 VSPI CLK
IRQ-> unconnected
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