This robot utilizes various components like an ultrasonic sensor, Arduino Uno microcontroller ... The Metal Detector Robot is not just about obstacle avoidance; it can also detect metal objects. This ...

Robot/metal detector circuit diagram. Source: Interesting Engineering Build the PCB as shown, with the components required. Then insert the Arduino RF Nano, and the DC Motor Driver onto the board.

Because of the potential for injury or death associated with landmine use, detectors are essential ... to a DC motor controlled by a program running on an Arduino UNO. When the robot detects metal, it ...