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ESP32-S3
Freenove ESP32-S3 User Manual
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Chapter 4
Read and W
rite the SDc
ard
58
www.freeno
ve.com
█
Click Finish. Wa
it for the
SD
card initial
ization
to
complete.
At
this point,
you can see t
he
SD
card
in
This P
C.
MAC
Insert
the
SD
card
into
the
card
reader,
then insert
the
card
reader into
the computer. Some
computers
will
prompt the fo
llowing
information, p
lease click
to
igno
re it.
Find "Disk Uti
lity"
in
the
MAC syste
m
and click
to
open
it.
59
61
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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