Wireless remote control based on NRF24L01

As shown in the picture above, the remote control mainly has the following resources and functions:

1. Two knob potentiometers, which can be used to adjust the maximum speed of the remote control car, etc.

2. Two toggle switches, currently used for car light switches;

A four-digit DIP switch allows you to select different working modes of the car;

A power toggle switch is used to switch the power supply of the car on and off;

Onboard power control circuit can realize automatic shutdown function to save battery power consumption.

(However, this function is not yet available in the code)

3. There are 4 buttons on the board, which can be used for quick operation of the car, etc.

4. Two 360-degree rocker potentiometers, which can be used to control the direction and speed of the test, etc.

5. The board also integrates a lithium battery charging circuit for convenient charging.

6. In addition to using the wireless module with the antenna in the picture, you can also

Use the one on the car in the demo video. The programs of the two are compatible.

Note: The above function introduction is just taking a car as an example, it is not only suitable for remote control.

car remote control

Below is the schematic diagram and demonstration video of the remote control