ESP32-S3-USB-OTG Development Board

Code name: ESP32_S3_USB_OTG

ESP32-S3-USB-OTG development board is based on esp32s3 microcontroller and uses xtensa architecture. This board has a maximum CPU frequency of 240 MHz and a flash size of 8MB.

About ESP32-S3-USB-OTG

A development board by Espressif focusing on USB-OTG functionality, suitable for applications like video streaming over Wi-Fi and connecting to wireless USB devices.

Technical Specifications

πŸ›°οΈ Connectivity

WiFi 802.11 b/g/n (2.4 GHz)
Bluetooth 5.0
BLE 5.0

🧠 Microcontroller

Model esp32s3
Clock Speed 240 MHz
Flash Size 8MB
Architecture xtensa

✨ Features

  • 48 digital IO pins
  • 46 external interrupt pins
  • 20 analog input pins
  • 34 PWM pins

ESP32-S3-USB-OTG Pinout

ESP32-S3-USB-OTG Pins Mapping Arduino IDE

Below you can find the ESP32-S3-USB-OTG pinout. This development board provides 48 digital IO pins, out of which 46 can be used as external interrupt pins, 20 as analog input pins and 34 pins have Pulse-Width Modulation (PWM).

PinAnalogTouchPWMOther
0BUTTON_OK
1A0PWMHOST_VOLTS
2A1PWMBAT_VOLTS
3A2T3PWM
4PWMLCD_DC
5PWMLCD_CS
6PWMLCD_CLK
7PWMLCD_MOSI
8PWMLCD_RST
9PWMLCD_BL
10PWMBUTTON_UP
11PWMBUTTON_DOWN
12PWMDEV_VBUS_EN
13PWMBOOST_EN
14PWMBUTTON_MENU
15PWMLED_GREEN
16PWMLED_YELLOW
17PWMLIMIT_EN
18PWMUSB_HOST_EN
19PWMUSB_DN
20PWMUSB_DP
21PWMOVER_CURRENT
33PWMSDMMC_D2
34PWMSS SDMMC_D3
35PWMMOSI SDMMC_CMD
36PWMSCK SDMMC_CLK
37PWMMISO SDMMC_D0
38PWMSDMMC_D1
39PWMMTCK
40PWMMTDO
41PWMMTDI
42PWMMTMS
43PWMTX
44PWMRX
45PWMSDA
46SCL
-1LCD_MISO
Analog Analog input pins
Touch Touch pins
Function Function pins
RX / TX Receive/Transmit
LED_BUILTIN Built-in LED
PWM Pulse-Width Modulation

Default Tools

Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x0
Flash modedio
Boot modeqio
Maximum upload size
1280 Kb
(1310720 B)
Maximum data size
320 Kb
(327680 B)

The ESP32-S3-USB-OTG development board by default uses esptool_py uploader tool, esp_ota network uploader tool for Over-the-air (OTA) uploads and esptool_py bootloader tool. The bootloader starts at address "0x0". Flash mode and boot mode for ESP32-S3-USB-OTG development board by default is dio and qio respectively.