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Freenove ESP32-S3 User Manual
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Chapter 2 Ser
i
al Commu
nication
36
www.freeno
ve.com
█
Chapter 2 Serial
Communication
Serial
Communication
is
a
means
of
communication
between
different
devices/device
s.
This se
cti
on
describes
ESP32-
S3
’s
Serial
Communicat
i
on.
Proje
ct 2
.1
Serial Pri
nt
This
p
roject
uses
ESP32-
S3
’s
serial
communicator
to
send
da
ta
to
the
computer
and
print
it
on
the
serial
monitor.
Component List
ESP32-
S3
WR
OOM
x1
GPIO Exten
sion Board
x1
Micro USB Wi
re
x1
37
39
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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