Downloads/PC Checker Dongle

Download PC Checker Dongle

Diagnostics on a $15 stick — no reboot

v1.0.0FirmwareESP32-S3

A ~$15 USB dongle you flash straight from your browser. Plug it into any computer and run diagnostics from your phone — no reboot, no software to install.

Flash in your browser
LILYGO T-Dongle-S3 · ESP32-S3
Full dongle guide
View on GitHub

The firmware is free. You supply the ~$15 dongle.

Requirements

  • A LILYGO T-Dongle-S3 (ESP32-S3)
  • A USB-C cable
  • Chrome, Edge or Opera on desktop for flashing

Getting started

  1. 1Buy a LILYGO T-Dongle-S3 (~$15 on AliExpress or Amazon) and a USB-C cable.
  2. 2Open the flasher in a desktop Chrome, Edge or Opera browser and connect the dongle.
  3. 3Click Flash and wait for it to finish.
  4. 4Plug the dongle into any PC, join its Wi-Fi, and scan the QR code on its screen.
See everything PC Checker Dongle can do
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