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Raspberry Pi 4B-Based Robotic System with Ultrasonic Sensors and Camera Module

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Circuit Documentation

Summary

This circuit involves a Raspberry Pi 4B as the central controller interfacing with multiple ultrasonic sensors, servo motors, and a camera module. The Raspberry Pi provides power and control signals to these components, enabling functionalities such as distance measurement, object detection, and image capture.

Component List

  1. Ultrasonic Sensor

    • Pins: +VCC, Trigger, Echo, GND
    • Description: Used for distance measurement by emitting ultrasonic waves and measuring the time it takes for the echo to return.

  2. MG90S Servo Motor

    • Pins: SIG, VCC, GND
    • Description: A small servo motor used for precise control of angular position.

  3. Raspberry Pi 4B

    • Pins: 3V3, 5V, GPIO2, GPIO3, GND, GPIO4, GPIO14, GPIO15, GPIO17, GPIO18, GPIO27, GPIO22, GPIO23, GPIO24, GPIO10, GPIO9, GPIO25, GPIO11, GPIO8, GPIO7, ID_SD, GPIO5, GPIO6, GPIO12, GPIO13, GPIO19, GPIO16, GPIO26, GPIO20, GPIO21, ID_SC, TR01_TAP, TR00_TAP, TR03_TAP, TR02_TAP, RUN, GLOBAL_EN
    • Description: A versatile single-board computer used as the main controller in this circuit.

  4. OV2640 Camera Module

    • Pins: 3.3V, GND, SIOC, SIOD, VSync, HRef, PCLK, XCLK, D9, D8, D7, D6, D5, D4, D3, D2, RET, PWDN
    • Description: A camera module used for capturing images and video.

Wiring Details

Ultrasonic Sensor 1

Ultrasonic Sensor 2

Ultrasonic Sensor 3

MG90S Servo Motor 1

MG90S Servo Motor 2

MG90S Servo Motor 3

OV2640 Camera Module

Code

No code was provided for this circuit.