QGate Browser Flasher for ESP32-S3 and W5500 Ethernet

A Web Serial flasher for QGate ESP32-S3 firmware with W5500 Ethernet, MQTT, NTP, and OTA evidence.

Benjamin

Published May 11, 2026

166 UCC

11 WCC

31 VAR

2 Following

Original author: QweekleServices / Qweekle PierreOriginal source (new tab)

Components

Hardware components

WIZnet - W5500

x 1

Software Apps and online services

mqtt - MQTT

x 1

WIZnet parts

W5500 Datasheet

Project description

Browser Flashing for a W5500-Based QGate Device QGate ESP32 Flash is a public browser-based firmware installer for a QGate device built around ESP32-S3 firmware and W5500 Ethernet evidence. Instead of asking users to install a desktop flashing tool, the project hosts a simple GitHub Pages interface that uses ESP Web Tools and the browser Web Serial API to write bootloader, partition, boot app, and firmware binaries over USB. For WIZnet, the technically useful part is not the web UI alone. The release files show a W5500-based runtime firmware flow with MQTT, NTP, TLS, OTA update checks, and…

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