Freenove ESP32 User Manual

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18
Chapter 0 Install CH340 and Burn Firmware
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Mac OS
Check the Installation of CH340
Connect esp32 to your computer with a USB cable.
Open Terminal of Mac OS, and type in the command ls /dev/cu.usb*
If your Terminal prints the message similar to the above, then your computer has installed the CH340. You
can click here to move to the next step.
Otherwise, please continue with the following the steps.
Install CH340
If you would not like to download the installation package, you can open
“Freenove_Robot_Dog_Kit_for_ESP32/CH340”. We have prepared the installation package.
Open the folder “Freenove_Robot_Dog_Kit_for_ESP32/CH340/MAC/”
Run it.

Freenove ESP32 Specifications

General

Clock Speed	240 MHz
RAM	520 KB SRAM
Wi-Fi	802.11 b/g/n
UART	3
Operating Voltage	3.3V
Input Voltage	5V
DC Current per I/O Pin	40mA
USB	Micro USB
Microcontroller	ESP32
Chip	ESP32
Bluetooth	Bluetooth v4.2 BR/EDR and BLE standard
ADC Channels/Analog Input Pins	18
I2C	Yes
SPI	Yes
Interfaces	I2C, SPI, UART
CPU	Dual-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.