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ESP32-S3
Freenove ESP32-S3 User Manual
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Chapter 2 Ser
i
al Commu
nication
38
www.freeno
ve.com
█
Circuit
Connect Freen
ove ESP32-
S3
to
the computer with
USB cable.
Sketch
Sketch_02.1_Se
ri
alPrinte
r
Download
the
code
to
ESP32-
S3
WROO
M,
open
the
serial
port
monito
r,
set
the
baud
rate
to
115200,
and
press the reset b
utton.
As
sho
wn
in
the fol
lowing figu
re:
39
41
Table of Contents
Table of Contents
3
Important Information
3
Contents
3
Preface
5
Esp32-S3 Wroom
6
CH343 (Importance)
8
Programming Software
20
Environment Configuration
23
Notes for GPIO
26
Chapter 1 LED
29
Project 1.1 Blink
29
Chapter 2 Serial Communication
38
Project 2.1 Serial Print
38
Project 2.2 Serial Read and Write
42
Chapter 3 Bluetooth
44
Project 3.1 Bluetooth Low Energy Data Passthrough
44
Chapter 4 Read and Write the Sdcard
56
Project 4.1 SDMMC Test
56
Chapter 5 Wifi Working Modes
68
Project 5.1 Station Mode
68
Project 5.2 AP Mode
73
Project 5.3 Ap+Station Mode
78
Chapter 6 TCP/IP
82
Project 6.1 as Client
82
Project 6.2 as Server
94
Chapter 7 Camera Web Server
100
Project 7.1 Camera Web Server
100
Project 7.2 Video Web Server
109
Project 7.3 Camera and Sdcard
115
Chapter 8 Camera Tcp Server
124
Project 8.1 Camera Tcp Server
124
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Freenove ESP32-S3 Specifications
General
Brand
Freenove
Model
ESP32-S3
Category
Control Unit
Language
English
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