Note. A compact analogue reflectance sensor such as the CNY70 was not used in the Arduino Uno experiments described. Instead, a homemade sensor was assembled using a single infrared LED (IR333C) and a ...

Hardware Setup Connect the ADXL345 accelerometer and nRF24L01 module to the Arduino as shown in the circuit diagram. Connect DC motors to motor driver. Power the Arduino and motors using a suitable ...