Flash your GrumpyMesh device.

This firmware is only for the Grumpy Board, and is not intended for use with other boards.

What would you like to flash?

Select the GrumpyMesh device you are setting up.

Choose firmware

Erase existing firmware?

A clean erase is recommended when changing firmware or troubleshooting a device.

Device
Firmware
Connection
Erasing is permanent.
It removes the current firmware and saved settings from this device.

Ready to flash

Download the selected firmware before connecting your device to flash it.

Selected image
Download firmware

Works in Chrome or Edge on desktop with a USB data cable.