WT9932S31-TINY Development Board Resources

  • WT9932S31-TINY
  • WT0132S31-S1
  • ESP32-S31
  • resources
  • hardware
Update history
Date Version Author Update content
2026-10-25 1.0.2 YobieZhou Add the English resource page and links to the official English ESP32-S31 documentation
2026-10-23 1.0.0 YobieZhou Add open hardware and software, user guides, schematic, pinout, mechanical files, and firmware resources
2026-10-23 1.0.1 YobieZhou Remove the factory firmware and source code section and renumber the resources

1. Open Source Hardware & Software

2. WT9932S31-TINY Development Board User Guide

English version (V1.1):

📥 Download English PDF (V1.1)

Chinese version (V1.1):

📥 Download Chinese PDF (V1.1)

3. WT9932S31-TINY Schematic

📥 Download Schematic PDF (V1.0)

4. WT9932S31-TINY Pinout

WT9932S31-TINY Pinout V1.0

📥 Download Pinout Image (V1.0)

See Board Features for interface functions and detailed descriptions of each pin header.

5. WT9932S31-TINY CAD and Outline Drawing

The board measures approximately 54 × 28 mm. The mechanical drawing in the user guide gives a reference outline of 53.52 × 27.98 mm. Refer to the mechanical files for the exact hole locations, mounting features, and assembly dimensions.

📥 Download CAD File (DWG, V1.0)

6. WT9932S31-TINY 3D Model

📥 Download 3D Model (STEP, V1.0)

7. External References

Document Description
ESP32-S31 Series Datasheet Chip features, pin multiplexing, boot configurations, power requirements, and electrical characteristics
ESP32-S31 Technical Reference Manual Memory, peripheral controllers, and register descriptions
ESP32-S31 Hardware Design Guidelines Design requirements for power, reset, RF, memory, and peripherals
ESP32-S31 PCB Layout Design Guidelines Placement and routing requirements for power, RF, USB, and other interfaces
ESP32-S31 Series SoC Errata Known issues, affected revisions, and workarounds
ESP32-S31 ESP-IDF Programming Guide Development environment, driver APIs, and system features
USB Drivers and Serial Connection Device identification, driver installation, and flashing port selection