BROWSER-BASED DEVICE TOOLS

A fresh start for your board.

Connect, flash and recover. Your firmware workspace, right in the browser.

Device connection

No board connected

Use desktop Chrome or Edge with a data-capable USB cable. Close any other serial tools before connecting.

Flash firmware

芯想事成 V3 · Full merged factory image for ESP32-S3 with 16 MB flash (approximately 15.12 MB). Selecting it sets the flash offset to 0x0: the image includes the bootloader at 0x0, partition table at 0x9000 and OTA partitions starting at 0x20000. Confirm board compatibility before flashing.

Select a firmware binaryOfficial .bin files onlyFlash offset

Use the address supplied with your firmware. This tool flashes one binary; multi-file firmware needs an official merged image.

I have verified the firmware and offset match my board.

Erase all flash

Permanently removes firmware, settings and data.

Device consoleOFFLINE

芯想事成 / WEB SERIAL

Waiting for a device connection…

Flash progress0%

Firmware is transferred locally to your board.

Need help? Open the guide

Step-by-step flashing tutorial in the guide