1. nRF24L01P, nRF24LE1, nRF24LU1 are all RF chips produced by Nordic from Norway;
2. nRF24LE1 integrates nRF24L01P and 51 MCU;
3. nRF24LU1 integrates nRF24L01P and 51 MCU, and supports USB;
4. The nRF24L01P, nRF24LE1, and nRF24LU1 can communicate with each other after correct debugging.
