In this tutorial I am going to demonstrate how wireless communication between Arduino modules can be achieved using the low cost RF (radio frequency) based nRF24L01+ transceiver modules.
These modules are cheap and easy to interface to a variety of microcontrollers like MCU, ARM, PIC, AVR and STM32 using SPI protocol.
They operate at 2.4GHz ISM band frequency and use GFSK modulation for data transmission hence the data transfer rate can either be 250kbps, 1Mbps or 2Mbps.
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