Item
|
Pin No.
|
type
|
Features
|
|
1
|
GND
|
P
|
Grounded
|
|
2
|
3V3
|
P
|
Power supply
|
|
3
|
IO0
|
I/O/T
|
RTC_GPIO0,GPIO0
|
|
4
|
IO1
|
I/O/T
|
Restore, the pin is internally pulled up. Used to restore factory settings. Pin to ground 10ms, and then to VCC 10ms, reset the parameters.
|
|
5
|
IO2
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
6
|
IO3
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
7
|
IO4
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
8
|
IO5
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
9
|
IO6
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
10
|
IO7
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
11
|
IO8
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
12
|
IO9
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
13
|
IO10
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
14
|
IO11
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
15
|
IO12
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
16
|
IO13
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
17
|
IO14
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
18
|
IO15
|
I/O/T
|
U0RTS
|
|
19
|
IO16
|
I/O/T
|
U0CTS
|
|
20
|
IO17
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
21
|
IO18
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
22
|
IO19
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
23
|
IO20
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
24
|
IO21
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
25
|
IO26
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
26
|
GND
|
P
|
Grounded
|
|
27
|
IO33
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
28
|
IO34
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
29
|
IO35
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
30
|
IO36
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
31
|
IO37
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
32
|
IO38
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
33
|
IO39
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
34
|
IO40
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
35
|
IO41
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
36
|
IO42
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
37
|
TXD0
|
I/O/T
|
U0TXD
|
|
38
|
RXD0
|
I/O/T
|
U0RXD
|
|
39
|
IO45
|
I/O/T
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
40
|
IO46
|
I
|
Unused. For pin definition, please refer to "ESP32-S2-WROOM Technical Specification.pdf"
|
|
41
|
EN
|
I
|
High level: chip enable;
Low level: the chip is off;
Be careful not to let the EN pin float.
|
|
42
|
GND
|
P
|
Grounded
|
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