Host Firmware Updates
Notehub lets you manage host MCU firmware versions for entire projects, fleets, or individual devices, deploying custom firmware securely over cellular or WiFi. Start with the overview to choose an update method, then use the Notehub UI, Notehub API, or environment variables to deploy and monitor updates.
Host DFU Overview
How host firmware updates work in Notehub, and how to choose between the available update methods.
Notecard Outboard Firmware Update
The Blues-recommended method for easily recoverable over-the-air host firmware updates, supported by most modern microcontrollers.
IAP Firmware Update
Update host MCU firmware using a more traditional In Application Programming (IAP) OTA DFU implementation.
Notehub API Requests for DFU
Remotely initiate and monitor over-the-air firmware updates with the Notehub API.
Notecard API Requests for DFU
Locally monitor host MCU and Notecard firmware updates on individual devices.
Environment Variables for DFU
A list of reserved environment variables available for scheduling and managing DFU actions.
