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Freenove ESP32 User Manual

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38
Chapter 2 Robot Assembly
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2. Mount four M3*5+8 and four M3*10 brass standoffs to the top body bracket.
3. Mount the board to the top body bracket with four M3*4 screws.
After assembly:
Head
Rear
top
Bottom
Head
Rear
M3*10 brass standoffs
M3*5+8 brass standoffs
M3*4 screws
Rear
Head
Bottom
Top body
bracket
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Freenove ESP32 Specifications

General IconGeneral
Clock Speed240 MHz
RAM520 KB SRAM
Wi-Fi802.11 b/g/n
UART3
Operating Voltage3.3V
Input Voltage5V
DC Current per I/O Pin40mA
USBMicro USB
MicrocontrollerESP32
ChipESP32
BluetoothBluetooth v4.2 BR/EDR and BLE standard
ADC Channels/Analog Input Pins18
I2CYes
SPIYes
InterfacesI2C, SPI, UART
CPUDual-Core 32-bit LX6 Microprocessor

Summary

Safety and Precautions

General Safety Guidelines

Outlines crucial safety measures for handling and using the robot kit to prevent injury or damage.

Hardware Components

ESP32 Expansion Board and Modules

Details the ESP32 expansion board, ESP32 module, camera, and other electronic components.

Mechanical Parts and Tools

Lists acrylic parts, servos, screws, nuts, standoffs, and necessary tools for assembly.

Software and Firmware Setup

CH340 Driver and Firmware Installation

Guides on installing the CH340 driver and burning firmware for OS.

Freenove App and Arduino IDE Setup

Covers installing the Freenove app and setting up the Arduino IDE environment.

ESP32 Pin Configuration

Details ESP32 pins, their functions, and descriptions for robot connectivity.

Robot Assembly and Calibration

Step-by-Step Assembly Guide

Details the process of assembling the robot's body, legs, head, and wiring.

Servo Wiring and Calibration

Guides on connecting ESP32, batteries, servos, and performing robot calibration.

Robot Functionality and Control

Freenove App Features

Overviews app features like Wi-Fi config, LED control, and interaction.

Ultrasonic Ranging and Motion Control

Explains ultrasonic sensor and provides code for robot movements.

Communication Protocols and Commands

Explains communication commands via Serial, BLE, Wi-Fi, and development aspects.

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