ESP32-S2-DevKit-USB Rev B Schematic

Overview

This design document provides the circuit schematic for the Olimex ESP32-S2-DevKit-USB Revision B development board. The design is based on the Espressif Systems ESP32-S2-WROVER module and includes integrated power management with a Shanghai Belling BL4054B-42TPRN LiPo charger and a Microchip MCP1700T-3302E/MB LDO regulator. Key features include USB-OTG connectivity via a micro USB port, a Worldsemi WS2812S RGB LED, and dual 21-pin expansion headers. The board incorporates power sensing, bootstrapping configuration notes for GPIO0, GPIO45, and GPIO46, and is optimized for low-power operation with a rated 20µA deep-sleep mode consumption.

Referenced Parts