Pin Definition - Ebyte ESP32-S3-WROOM Series User Manual

Chengdu Ebyte Electronic Technology Co., Ltd.
7
8 USB to UART bridge
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Note: In the development board of the onboard ESP32-S3-WROOM-1/1U module series (using 8-line SPI flash/PSRAM), the pins
GPIO35, GPIO36 and GPIO37 have been used for the internal ESP32-S3 chip and SPI flash/PSRAM Communication between PSRAMs
is not available externally.

2.2 Pin definition

The picture below shows the front view of ESP32-S3-WROOM-1-TB&ESP32-S3-WROOM-1U-TB:
Copyright © 2012 , Chengdu Ebyte Electronic Technology Co., Ltd.
Reset key Reset button.
Single-chip USB to UART bridge providing transfer rates up to 3
Mbps.
RGB LEDs Addressable RGB LEDs driven by GPIO38.
After the development board is connected to the USB power supply, the
3.3 V Power LED
indicator light turns on.
Figure 3 Current test interface diagram
ESP32-S3-WROOM Series Development Board User Manual
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