Circuit Documentation

Summary

This circuit is designed to control multiple servos using an ESP32-S3 microcontroller. The circuit includes a step-down DC regulator to provide a stable voltage supply, a battery mount for power, and a gForceJoint UART module for additional functionality. The ESP32-S3 microcontroller is responsible for generating pulse-width modulation (PWM) signals to control the servos.

Component List

1. Regulator Stepdown DC with LCD Display

   • Pins: IN +, IN -, OUT +, OUT -
   • Description: A step-down DC regulator with an LCD display to provide a stable voltage output.
   • Purpose: To regulate the voltage from the battery mount to a suitable level for the servos and microcontroller.

2. Servo (5 units)

   • Pins: gnd, vcc, pulse
   • Description: A standard servo motor.
   • Purpose: To provide mechanical movement controlled by PWM signals from the microcontroller.

3. 4 x AAA Battery Mount

   • Pins: -, +
   • Description: A battery holder for four AAA batteries.
   • Purpose: To provide power to the circuit.

4. ESP32-S3

   • Pins: 3v3, EN, GPIO4, GPIO5, GPIO6, GPIO7, GPIO15, GPIO16, GPIO17, GPIO18, GPIO8, GPIO46, GPIO9, GPIO10, GPIO11, GPIO12, GPIO13, GPIO14, 5V, GND, GPIO43, GPIO44, GPIO1, GPIO2, GPIO42, GPIO41, GPIO40, GPIO39, GPIO38, GPIO37, GPIO36, GPIO35, GPIO0, GPIO45, GPIO48, GPIO47, GPIO21, GPIO20, GPIO19
   • Description: A powerful microcontroller with Wi-Fi and Bluetooth capabilities.
   • Purpose: To control the servos and communicate with the gForceJoint UART module.

5. gForceJoint UART 111

   • Pins: uart, GN, TX, RX
   • Description: A UART module for communication.
   • Purpose: To provide additional communication capabilities to the ESP32-S3.

Wiring Details

Regulator Stepdown DC with LCD Display

• IN +: Connected to the + pin of the 4 x AAA Battery Mount.
• IN -: Connected to the - pin of the 4 x AAA Battery Mount.
• OUT +: Connected to the vcc pins of all Servo motors and the 5V pin of the ESP32-S3.
• OUT -: Connected to the gnd pins of all Servo motors.

Servo (5 units)

• gnd: Connected to the OUT - pin of the Regulator Stepdown DC with LCD Display.
• vcc: Connected to the OUT + pin of the Regulator Stepdown DC with LCD Display.
• pulse:
  • Servo 1: Connected to GPIO9 of the ESP32-S3.
  • Servo 2: Connected to GPIO11 of the ESP32-S3.
  • Servo 3: Connected to GPIO10 of the ESP32-S3.
  • Servo 4: Connected to GPIO12 of the ESP32-S3.
  • Servo 5: Connected to GPIO13 of the ESP32-S3.

4 x AAA Battery Mount

• +: Connected to the IN + pin of the Regulator Stepdown DC with LCD Display.
• -: Connected to the IN - pin of the Regulator Stepdown DC with LCD Display.

ESP32-S3

• 5V: Connected to the OUT + pin of the Regulator Stepdown DC with LCD Display.
• GND: Connected to the gnd pin of the gForceJoint UART 111.
• GPIO9: Connected to the pulse pin of Servo 1.
• GPIO11: Connected to the pulse pin of Servo 2.
• GPIO10: Connected to the pulse pin of Servo 3.
• GPIO12: Connected to the pulse pin of Servo 4.
• GPIO13: Connected to the pulse pin of Servo 5.
• 3v3: Connected to the uart pin of the gForceJoint UART 111.
• GPIO17: Connected to the TX pin of the gForceJoint UART 111.
• GPIO18: Connected to the RX pin of the gForceJoint UART 111.

gForceJoint UART 111

• uart: Connected to the 3v3 pin of the ESP32-S3.
• GN: Connected to the GND pin of the ESP32-S3.
• TX: Connected to the GPIO17 pin of the ESP32-S3.
• RX: Connected to the GPIO18 pin of the ESP32-S3.

Code

No code was provided for this circuit.