1. Thiết bị: + 2 Mạch thu phát RF NRF24L01. + 2 laptop để làm máy phát (T) và máy nhận (R) + 2 Board Arduino Uno R3. 2. Chọn Board: + Cài đặt phân mêm Arduino IDE v.1.8.4. + Vào Tool --> chọn Board "Arduino/Genuino Uno". 3. Upload: + Upload file đính kèm vào cả 2 board Uno 4. Sơ đồ đấu dây : RF24---------------------Uno R3 1.VCC----------------------3.3V 2.GND---------------------GND 3.CE------------------------D9 4.CSN----------------------D10 5.SCK----------------------D13(SCK) 6.MOSI---------------------D11(MOSI) 7.MISO---------------------D12(MISO) 8.IRQ----------------------not connect 5. Test: 5.1. Vào Arduino IDE ở cả 2 laptop, chọn Tool -->mở Serial Monitor với tốc độ 57600 hiển thị: RF24/examples/GettingStarted/ ROLE: Pong back STATUS = 0x0e RX_DR=0 TX_DS=0 MAX_RT=0 RX_P_NO=7 TX_FULL=0 RX_ADDR_P0-1 = 0xf0f0f0f0d2 0xf0f0f0f0e1 RX_ADDR_P2-5 = 0xc3 0xc4 0xc5 0xc6 TX_ADDR = 0xf0f0f0f0d2 RX_PW_P0-6 = 0x08 0x08 0x00 0x00 0x00 0x00 EN_AA = 0x3f EN_RXADDR = 0x03 RF_CH = 0x4c RF_SETUP = 0x07 CONFIG = 0x0f DYNPD/FEATURE = 0x00 0x00 Data Rate = 1MBPS Model = nRF24L01 CRC Length = 16 bits PA Power = PA_HIGH 5.2. Gỏ "T" vào hộp thoại Send ở máy (T) và gỏ "R" ở máy (R) cho kêt quả: Now sending 90...ok...Got response 90, round-trip delay: 28 Now sending 1122...ok...Got response 1122, round-trip delay: 26 Now sending 2152...ok...Got response 2152, round-trip delay: 27 Now sending 3182...ok...Got response 3182, round-trip delay: 29 Now sending 4214...ok...Got response 4214, round-trip delay: 27 Now sending 5244...ok...Got response 5244, round-trip delay: 29 Now sending 6277...ok...Got response 6277, round-trip delay: 26 Now sending 7307...ok...Got response 7307, round-trip delay: 26 Now sending 8337...ok...Got response 8337, round-trip delay: 29 Now sending 9369...ok...Got response 9369, round-trip delay: 27 Now sending 10399...ok...Got response 10399, round-trip delay: 29 Now sending 11431...ok...Got response 11431, round-trip delay: 27 Now sending 12462...ok...Got response 12462, round-trip delay: 28 6. Ref + Library: https://github.com/nRF24/RF24 + https://maniacbug.wordpress.com/2011/11/02/getting-started-rf24/ + hshop.vn/products/mach-thu-phat-nrf24l01-pa-2-4ghzcu-khech-dai-cung-suat-thu-phat + http://forum.dmec.vn/index.php?threads/lập-trình-điều-khiển-drone-bằng-arduino-pro-mini.256050/