Freenove ESP32 User Manual

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ACTION_DANCING
Make the robot dance at some fixed actions.
App command
Action
O#n#\n
n refers to the fixed action modes.
O#0#\n
Say hello
O#1#\n
Push up
O#2#\n
Stretch itself
O#3#\n
Turn around
O#4#\n
Sit down
O#5#\n
Dance
The value and meanings of parameter n are as follows
#define DANCE_SAY_HELLO 0
#define DANCE_PUSH_UP 1
#define DANCE_STRETCH_SELF 2
#define DANCE_TURN_AROUND 3
#define DANCE_SIT_DOWN 4
#define DANCE_DANCING 5
ACTION_SET_ROBOT
Reserved.
ACTION_TEST
Reserved. Develop to use.
ID_CHECK
Check the basic information of the robot, which is used for verification in the future.
App command
Action
W#0#\n
Obtain the firmware version and robot name. The result returned are as follows:
W#0#100#FREENOVE-DOG#\n
among which,
100 refers to the version of V1.0.0 and the name of FREENOVE-DOG.
W#1#\n
Obtain the robot’s firmware version with the result returned as follows:
W#1#100#\n
among which,
100 refers to the version of V1.0.0
W#2#\n
Obtain the robot’s name with the result returned as follows:
W#2#FREENOVE-DOG#\n
referring to the name as FREENOVE-DOG
W#3#\n
Obtain the internal code with the current result returned as follows
W#3#FNK006201#\n
W#4#FREENOVE#\n
Fixed command to check whether the source of the controller is valid.

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.