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Update your HCU
Get the latest firmware onto your Hybrid Control Unit straight from this page.
No software to install, nothing to configure.
Latest firmware: V7.1
1
Connect your HCU
Plug the HCU into this computer with a micro-USB cable.
2
Click Flash Device
A window will pop up — select the serial port of your HCU and click Connect.
3
Wait for it to finish
The update takes about a minute. Don't unplug the HCU while it's updating.
This browser can't talk to USB devices.
Please open this page in Google Chrome or Microsoft Edge on a desktop computer. This page was opened as a local file, so flashing can't work.
Run serve.cmd and use http://localhost:8000 instead.
Please open this page in Google Chrome or Microsoft Edge on a desktop computer. This page was opened as a local file, so flashing can't work.
Run serve.cmd and use http://localhost:8000 instead.
Device doesn't show up?
- Make sure your USB cable supports data — many cables are charge-only. Try a different cable if in doubt.
- Close any program that may be using the serial port (a serial monitor, configurator software…).
- Still stuck? Try a different USB port on your computer.