Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a step-down DC regulator with an LCD display, multiple servos, a 4 x AAA battery mount, a gForceJoint UART 111, and an ESP32-S3 microcontroller. The circuit is designed to power and control the servos and the gForceJoint UART 111 using the ESP32-S3 microcontroller.

Component List

Regulator Stepdown DC with LCD Display

• Description: A step-down DC voltage regulator with an LCD display for monitoring output voltage.
• Pins: IN +, IN -, OUT +, OUT -

Servo

• Description: A standard servo motor.
• Pins: gnd, vcc, pulse

4 x AAA Battery Mount

• Description: A battery holder for four AAA batteries.
• Pins: -, +

gForceJoint UART 111

• Description: A UART module for communication.
• Pins: uart, GN, TX, RX

ESP32-S3

• Description: A microcontroller with multiple GPIO pins and communication interfaces.
• 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

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 Servos and the 5V pin of the ESP32-S3
• OUT -: Connected to the gnd pins of all Servos

Servo (1)

• 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: Connected to the GPIO9 pin of the ESP32-S3

Servo (2)

• 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: Connected to the GPIO11 pin of the ESP32-S3

Servo (3)

• 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: Connected to the GPIO10 pin of the ESP32-S3

Servo (4)

• 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: Connected to the GPIO12 pin of the ESP32-S3

Servo (5)

• 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: Connected to the GPIO13 pin 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

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

ESP32-S3

• 5V: Connected to the OUT + pin of the Regulator Stepdown DC with LCD Display
• GND: Connected to the OUT - pin of the Regulator Stepdown DC with LCD Display
• 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
• GND: Connected to the GN 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

Code

No code is provided for this circuit.