Circuit Documentation

Summary

This circuit integrates a color sensor (TCS3200), a PWM servo controller (Adafruit PCA9685), an Arduino UNO microcontroller, and multiple servo motors. The Arduino UNO is used as the central processing unit, interfacing with the TCS3200 color sensor to read color data and controlling the servos through the PCA9685 servo driver. The PCA9685 allows for multiple servos to be controlled with precision using the I2C interface. The servos are actuated based on the program logic defined in the Arduino UNO.

Component List

TCS3200 Color Sensor

• Description: A color sensor that can detect a wide range of colors.
• Pins: GND, OUT, S2, S3, VCC, LED, S0, S1

Adafruit PCA9685 PWM Servo Breakout

• Description: A 16-channel, 12-bit PWM Fm+ I2C-bus LED controller.
• Pins: 5.0V, GND, PWRIN, PWM0-15, VCC, SDA, SCL, OE

Arduino UNO

• Description: A microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0-A5, SCL, SDA, AREF, D0-D13

Tower Pro SG90 Servo

• Description: A small and lightweight servo motor for RC vehicles, helicopters, and drones.
• Pins: Signal, +5V, GND

Servo (Wokwi Compatible)

• Description: A generic servo motor compatible with Wokwi simulation.
• Pins: GND, V+, PWM

Wiring Details

TCS3200 Color Sensor

• OUT → Arduino UNO D6
• S2 → Arduino UNO D4
• S3 → Arduino UNO D5
• GND → Arduino UNO GND
• S0 → Arduino UNO D2
• S1 → Arduino UNO D3
• VCC → Arduino UNO Vin

Adafruit PCA9685 PWM Servo Breakout

• PWM3 → Tower Pro SG90 Servo (Signal)
• PWM2 → Tower Pro SG90 Servo (Signal)
• PWM1 → Servo (Wokwi Compatible) (PWM)
• PWM0 → Servo (Wokwi Compatible) (PWM)
• 5.0V → All Servos (+5V or V+)
• GND → All Servos (GND)
• VCC → Arduino UNO 5V
• SDA → Arduino UNO A4
• SCL → Arduino UNO A5
• GND → Arduino UNO GND

Tower Pro SG90 Servo

• Signal → Adafruit PCA9685 PWM Servo Breakout (PWM3, PWM2)
• +5V → Adafruit PCA9685 PWM Servo Breakout (5.0V)
• GND → Adafruit PCA9685 PWM Servo Breakout (GND)

Servo (Wokwi Compatible)

• PWM → Adafruit PCA9685 PWM Servo Breakout (PWM1, PWM0)
• V+ → Adafruit PCA9685 PWM Servo Breakout (5.0V)
• GND → Adafruit PCA9685 PWM Servo Breakout (GND)

Documented Code

Arduino UNO Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Note: The provided code for the Arduino UNO is a template with empty setup and loop functions. The actual logic for interfacing with the TCS3200 color sensor and controlling the servos through the PCA9685 needs to be implemented within these functions.