Circuit Documentation

Summary of the Circuit

This circuit appears to be designed to control servomotors using a Raspberry Pi 5 and an Adafruit PCA9685 PWM Servo Breakout board. The Adafruit Perma Proto Small Mint board is likely used as a prototyping platform to facilitate connections between the Raspberry Pi, the PCA9685 breakout board, and the servomotors. The servomotors in the circuit are the MG996R and the MG995, which are commonly used for tasks requiring robust and precise positioning.

Component List

Adafruit Perma Proto Small Mint

• Description: A small prototyping board used for creating permanent circuit designs.
• Purpose: To provide a platform for making connections between the Raspberry Pi, the PCA9685 breakout board, and the servomotors.

Adafruit PCA9685 PWM Servo Breakout

• Description: A 16-channel, 12-bit PWM breakout board capable of controlling multiple servomotors.
• Purpose: To generate PWM signals for controlling the servomotors connected to it.

MG996R Servomotor

• Description: A high-torque digital servomotor.
• Purpose: To perform mechanical actions as instructed by the PWM signals.

Servomotor MG995

• Description: Another high-torque digital servomotor similar to the MG996R.
• Purpose: To perform mechanical actions as instructed by the PWM signals.

Raspberry Pi 5

• Description: A small single-board computer with a variety of I/O options.
• Purpose: To serve as the main controller of the circuit, sending commands to the PCA9685 breakout board.

Comments

• Description: Placeholder components that may represent annotations or notes in the circuit design.

Wiring Details

Adafruit Perma Proto Small Mint

• Connections:
  • PWR connected to Raspberry Pi 5 5V and Adafruit PCA9685 5.0V and VCC.
  • GND connected to Raspberry Pi 5 GND and Adafruit PCA9685 GND.
  • N connected to Raspberry Pi 5 GPIO 2 (SDA).
  • Q connected to Raspberry Pi 5 GPIO 3 (SCL).

Adafruit PCA9685 PWM Servo Breakout

• Connections:
  • PWM3 connected to MG996R SIG.
  • PWM0 connected to Servomotor MG995 SIG.
  • GND connected to MG996R GND and Servomotor MG995 GND.
  • 5.0V connected to Servomotor MG995 VCC.
  • SDA connected to Raspberry Pi 5 GPIO 2.
  • SCL connected to Raspberry Pi 5 GPIO 3.
  • VCC connected to Adafruit Perma Proto Small Mint PWR.

MG996R Servomotor

• Connections:
  • SIG connected to Adafruit PCA9685 PWM3.
  • GND connected to Adafruit PCA9685 GND.

Servomotor MG995

• Connections:
  • SIG connected to Adafruit PCA9685 PWM0.
  • VCC connected to Adafruit PCA9685 5.0V.
  • GND connected to Adafruit PCA9685 GND.

Raspberry Pi 5

• Connections:
  • GPIO 2 (SDA) connected to Adafruit PCA9685 SDA and Adafruit Perma Proto Small Mint N.
  • GPIO 3 (SCL) connected to Adafruit PCA9685 SCL and Adafruit Perma Proto Small Mint Q.
  • 5V connected to Adafruit Perma Proto Small Mint PWR.
  • GND connected to Adafruit Perma Proto Small Mint GND.

Documented Code

No code has been provided for the microcontrollers in the circuit. Typically, the Raspberry Pi would run a Python script or another program to communicate with the PCA9685 breakout board via the I2C interface, sending commands to control the servomotors. Without the code, we cannot document the specific functionality or behavior of the system.