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ESP32-S2-SOLO-U module

STEPSTL

ESP32-S2-SOLO-U official Espressif surface-mount wireless module with U.FL/IPEX connector for external antenna. 2.4 GHz Wi-Fi MCU module from the ESP32-S2 family. N4 variants include 4 MB SPI flash, with N4R2 variants adding PSRAM.

Pinout

Logical pinout · physical placement not verified

Pins 1–40

ESP32-S2-SOLO-U MODULEENGPIO4TOUCH4ADC1_CH3GPIO15U0RTSADC2_CH4XTAL_32K_PGPIO5TOUCH5ADC1_CH4GPIO16U0CTSADC2_CH5XTAL_32K_NGPIO6TOUCH6ADC1_CH5GPIO39MTCKCLK_OUT3GPIO7TOUCH7ADC1_CH6GPIO40MTDOCLK_OUT2GPIO8TOUCH8ADC1_CH7GPIO41MTDICLK_OUT1GPIO9TOUCH9ADC1_CH8FSPIHDGPIO42MTMSGPIO10TOUCH10ADC1_CH9FSPICS0FSPIIO4GPIO46GPIO11TOUCH11ADC2_CH0FSPIDFSPIIO53V3GPIO12TOUCH12ADC2_CH1FSPICLKFSPIIO6GNDGPIO13TOUCH13ADC2_CH2FSPIQFSPIIO7GNDGPIO14TOUCH14ADC2_CH3FSPIWPFSPIDQSGNDGPIO17U1TXDADC2_CH6DAC_1GPIO44U0RXDCLK_OUT2GPIO18U1RXDADC2_CH7DAC_2CLK_OUT3GPIO43U0TXDCLK_OUT1GPIO21GPIO20U1CTSADC2_CH9CLK_OUT1USB_D+GPIO33SPIIO4FSPIHDGPIO19U1RTSADC2_CH8CLK_OUT2USB_D-GPIO34SPIIO5FSPICS0GPIO0GPIO35SPIIO6FSPIDGPIO1TOUCH1ADC1_CH0GPIO36SPIIO7FSPICLKGPIO2TOUCH2ADC1_CH1GPIO37SPIDQSFSPIQGPIO3TOUCH3ADC1_CH2GPIO38FSPIWP

Pins 41–41

ESP32-S2-SOLO-U MODULEGPIO45
  • EN3

    EN

    Type · Control
  • GPIO15U0RTSADC2_CH4XTAL_32K_P8

    GPIO15/U0RTS/ADC2_CH4/XTAL_32K_P

    Type · GPIO, Signal
  • GPIO16U0CTSADC2_CH5XTAL_32K_N9

    GPIO16/U0CTS/ADC2_CH5/XTAL_32K_N

    Type · GPIO, Signal
  • GPIO39MTCKCLK_OUT332

    MTCK/GPIO39/CLK_OUT3

    Type · GPIO, Signal
  • GPIO40MTDOCLK_OUT233

    MTDO/GPIO40/CLK_OUT2

    Type · GPIO, Signal
  • GPIO41MTDICLK_OUT134

    MTDI/GPIO41/CLK_OUT1

    Type · GPIO, Signal
  • GPIO42MTMS35

    MTMS/GPIO42

    Type · GPIO, Signal
  • GPIO4616

    GPIO46

    Type · GPIO
  • 3V32

    3V3

    Type · Power
  • GND1

    GND

    Type · Ground
  • GND40

    GND

    Type · Ground
  • GND41

    GND

    Type · Ground
  • GPIO44U0RXDCLK_OUT236

    U0RXD/GPIO44/CLK_OUT2

    Type · GPIO, Signal
  • GPIO43U0TXDCLK_OUT137

    U0TXD/GPIO43/CLK_OUT1

    Type · GPIO, Signal
  • GPIO20U1CTSADC2_CH9CLK_OUT1USB_D+14

    GPIO20/U1CTS/ADC2_CH9/CLK_OUT1/USB_D+

    Type · GPIO, Signal
  • GPIO19U1RTSADC2_CH8CLK_OUT2USB_D-13

    GPIO19/U1RTS/ADC2_CH8/CLK_OUT2/USB_D-

    Type · GPIO, Signal
  • GPIO027

    GPIO0

    Type · GPIO
  • GPIO1TOUCH1ADC1_CH039

    GPIO1/TOUCH1/ADC1_CH0

    Type · GPIO, Signal
  • GPIO2TOUCH2ADC1_CH138

    GPIO2/TOUCH2/ADC1_CH1

    Type · GPIO, Signal
  • GPIO3TOUCH3ADC1_CH215

    GPIO3/TOUCH3/ADC1_CH2

    Type · GPIO, Signal
  • GPIO4TOUCH4ADC1_CH34

    GPIO4/TOUCH4/ADC1_CH3

    Type · GPIO, Signal
  • GPIO5TOUCH5ADC1_CH45

    GPIO5/TOUCH5/ADC1_CH4

    Type · GPIO, Signal
  • GPIO6TOUCH6ADC1_CH56

    GPIO6/TOUCH6/ADC1_CH5

    Type · GPIO, Signal
  • GPIO7TOUCH7ADC1_CH67

    GPIO7/TOUCH7/ADC1_CH6

    Type · GPIO, Signal
  • GPIO8TOUCH8ADC1_CH712

    GPIO8/TOUCH8/ADC1_CH7

    Type · GPIO, Signal
  • GPIO9TOUCH9ADC1_CH8FSPIHD17

    GPIO9/TOUCH9/ADC1_CH8/FSPIHD

    Type · GPIO, Signal
  • GPIO10TOUCH10ADC1_CH9FSPICS0FSPIIO418

    GPIO10/TOUCH10/ADC1_CH9/FSPICS0/FSPIIO4

    Type · GPIO, Signal
  • GPIO11TOUCH11ADC2_CH0FSPIDFSPIIO519

    GPIO11/TOUCH11/ADC2_CH0/FSPID/FSPIIO5

    Type · GPIO, Signal
  • GPIO12TOUCH12ADC2_CH1FSPICLKFSPIIO620

    GPIO12/TOUCH12/ADC2_CH1/FSPICLK/FSPIIO6

    Type · GPIO, Signal
  • GPIO13TOUCH13ADC2_CH2FSPIQFSPIIO721

    GPIO13/TOUCH13/ADC2_CH2/FSPIQ/FSPIIO7

    Type · GPIO, Signal
  • GPIO14TOUCH14ADC2_CH3FSPIWPFSPIDQS22

    GPIO14/TOUCH14/ADC2_CH3/FSPIWP/FSPIDQS

    Type · GPIO, Signal
  • GPIO17U1TXDADC2_CH6DAC_110

    GPIO17/U1TXD/ADC2_CH6/DAC_1

    Type · GPIO, Signal
  • GPIO18U1RXDADC2_CH7DAC_2CLK_OUT311

    GPIO18/U1RXD/ADC2_CH7/DAC_2/CLK_OUT3

    Type · GPIO, Signal
  • GPIO2123

    GPIO21

    Type · GPIO
  • GPIO33SPIIO4FSPIHD24

    SPIIO4/GPIO33/FSPIHD

    Type · GPIO, Signal
  • GPIO34SPIIO5FSPICS025

    SPIIO5/GPIO34/FSPICS0

    Type · GPIO, Signal
  • GPIO35SPIIO6FSPID28

    SPIIO6/GPIO35/FSPID

    Type · GPIO, Signal
  • GPIO36SPIIO7FSPICLK29

    SPIIO7/GPIO36/FSPICLK

    Type · GPIO, Signal
  • GPIO37SPIDQSFSPIQ30

    SPIDQS/GPIO37/FSPIQ

    Type · GPIO, Signal
  • GPIO38FSPIWP31

    GPIO38/FSPIWP

    Type · GPIO, Signal
  • GPIO4526

    GPIO45

    Type · GPIO

ESP32

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