GHL firmware updates.
Without the cable run.
An ESP32 connected to your GHL device’s USB port makes device firmware updates wireless, with a simple browser interface on your phone or computer.
Independent TelegrahamTested project. Not affiliated with or endorsed by GHL. No GHL logo is used.
USB at the device.
Wi-Fi to your browser.
Connect an ESP32 bridge to the GHL device’s USB port and access the update interface from your phone or computer over local Wi-Fi.
A guided update workflow.
Wireless GHL device firmware updates through an ESP32 USB bridge, with backup, update progress and verification in one workflow. Recovery tooling is part of the project. Beta compatibility is being validated device by device.
Sentinel Flash focuses on device firmware. GHL device firmware and the device’s Wi-Fi module firmware are separate.
Compatibility is being validated device by device. Beta interest registration does not guarantee an invitation or immediate access.
Visit the Sentinel Flash beta siteHelp shape the beta.
Tell me which GHL devices you use. I’ll get in touch when there is a suitable opportunity to test.
Register beta interest