Remote control four-wheel drive vehicle

1. Control method: It has three wireless communication methods: NRF, Bluetooth and WIFI, which can meet the needs of control under different situations. (1) NRF24L01 This communication method allows you to control the car through a homemade remote control. (2) Bluetooth This communication method can meet the needs of connection and control through mobile phones when outdoors. (3) WIFI This communication method allows you to complete remote control, preset route driving, and other complex driving operations by connecting to a PC server under the same local area network in a place with a wireless network such as indoors. 2. Vehicle peripherals (1) LED light There is a heartbeat light and an RGB light in the car. The heartbeat light flashes after power-on and normal operation. The RGB light flashes in different ways when performing different operations. (2) Buttons: There are two independent buttons on the vehicle, through which parameters and operating modes can be adjusted. (3) Ultrasound Vehicle-mounted ultrasonic waves can help our cars avoid obstacles. (3) OLED All operating parameters of our car can be displayed through OLED. (4) EEPROM EERPOM saves some fixed parameters of our car. 3. Other functions (1) Upgrade Under the wireless network, online upgrade can be performed through the PC software. (This feature is still under design)