Round Display Flasher
ESP32-S3 Super Mini · 1.28″ GC9A01 round display
Before you click Install:
- Plug the board in over USB.
- Open this page in Chrome or Edge (Web Serial isn't supported in Firefox/Safari).
- Make sure
firmware.factory.bin sits next to this index.html (see README for how to build it).
Your browser doesn't support Web Serial. Use Chrome or Edge on desktop.
This page must be served over HTTPS or localhost to flash a device.
Wiring reference
| VCC | 3.3V |
| GND | GND |
| SCL | GPIO12 (SPI CLK) |
| SDA | GPIO11 (SPI MOSI) |
| CS | GPIO10 |
| DC | GPIO9 |
| RST | GPIO8 |