Circuit Documentation

Summary

This document provides a detailed overview of a circuit designed to control multiple brushless motors using electronic speed controllers (ESCs) and a flight controller. The circuit also includes a Raspberry Pi for additional processing and a camera module for visual input. Power is supplied by a LiPo battery, and the system is managed by a Pixhawk flight controller.

Component List

1. Brushless Motor

   • Pins: L1, L2, L3
   • Description: A motor that operates without brushes, typically used in drones and other high-performance applications.

2. Electronic Speed Controller (ESC)

   • Pins: Battery VCC, Battery GND, Signal, 5v out, GND out, M1, M2, M3
   • Description: A device that controls the speed of the brushless motor by varying the power supplied to it.

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, ETH, HDMI 0, HDMI 1, CAMERA, AV
   • Description: A small, affordable computer that can be used for a variety of applications, including robotics and IoT.

4. Raspberry Pi Camera Module 3 NoIR

   • Pins: None
   • Description: A camera module for the Raspberry Pi, capable of capturing high-quality images and video.

5. Pixhawk PX4 PIX 2.4.8 32 Bit Flight Controller

   • Pins: Power from module, I2C, ADC 6.6V, SPI, USB, ADC 3.3V, CAN, GPS, TELEM 1, Serial 4/5, SW, TELEM2, SPKT/DSM, BUZZ
   • Description: A flight controller used for managing the flight of drones and other UAVs.

6. LiPo Battery 2200mAH 30C

   • Pins: VCC, GND
   • Description: A rechargeable lithium polymer battery, commonly used in high-drain applications like drones.

7. APM/Pixhawk Power Module

   • Pins: Pow -, Pow +, Power Pixhawk
   • Description: A power module that supplies power to the Pixhawk flight controller and monitors battery voltage and current.

Wiring Details

Brushless Motor to ESC Connections

• Brushless Motor 1

  • L1 to ESC 1 M1
  • L2 to ESC 1 M2
  • L3 to ESC 1 M3

• Brushless Motor 2

  • L1 to ESC 2 M1
  • L2 to ESC 2 M2
  • L3 to ESC 2 M3

• Brushless Motor 3

  • L1 to ESC 3 M1
  • L2 to ESC 3 M2
  • L3 to ESC 3 M3

• Brushless Motor 4

  • L1 to ESC 4 M1
  • L2 to ESC 4 M2
  • L3 to ESC 4 M3

• Brushless Motor 5

  • L1 to ESC 5 M1
  • L2 to ESC 5 M2
  • L3 to ESC 5 M3

• Brushless Motor 6

  • L1 to ESC 6 M1
  • L2 to ESC 6 M2
  • L3 to ESC 6 M3

ESC to Power Module and Battery Connections

• ESCs Battery VCC

  • All ESCs Battery VCC pins are connected together and to the Power Module Pow + pin.

• ESCs Battery GND

  • All ESCs Battery GND pins are connected together and to the Power Module Pow - pin.

ESC to Pixhawk Flight Controller Connections

• ESC 1 Signal to Pixhawk Flight Controller
• ESC 2 Signal to Pixhawk Flight Controller
• ESC 3 Signal to Pixhawk Flight Controller
• ESC 4 Signal to Pixhawk Flight Controller
• ESC 5 Signal to Pixhawk Flight Controller
• ESC 6 Signal to Pixhawk Flight Controller

Power Module to Battery Connections

• Power Module Pow + to LiPo Battery VCC
• Power Module Pow - to LiPo Battery GND

Pixhawk Flight Controller to Raspberry Pi Connections

• Pixhawk TELEM 1 to Raspberry Pi GPIO14 (TX) and GPIO15 (RX)

Raspberry Pi to Camera Module Connections

• Raspberry Pi CAMERA to Camera Module

ESC to Raspberry Pi Power Connections

• ESC 3 5v out to Raspberry Pi 5V
• ESC 3 GND out to Raspberry Pi GND

Code Documentation

No code is provided for this circuit.

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This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. Each section is designed to offer clear and concise information to facilitate understanding and implementation of the circuit.