ProS3 - ESP32-S3 Development Board by Unexpected Maker
Long-form ESP32-S3 development board with dual-core 240 MHz LX7, 16 MB flash, 8 MB PSRAM, USB-C native USB + JTAG, 2.4 GHz Wi-Fi, BT 5/BLE, LiPo charging, STEMMA connector, and castellated headers. Ships with CircuitPython and UF2 bootloader.
Pinout
- VBAT1
LiPo battery input from the ProS3 board header, source-backed by the official Unexpected Maker ProS3 KiCad symbol.
Type · power - GND2
Ground reference on the ProS3 board header.
Type · ground - 5V3
5 V rail/header pin on the ProS3 board; product page also states USB-C with back-feed protection and 5V sense support.
Type · powerVoltage · 5V - 3V34
3.3 V regulated rail/header pin on the ProS3 board.
Type · powerVoltage · 3.3V - IO15
ESP32-S3 GPIO exposed on the ProS3 castellated/header interface.
ESP32
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