Hacking your Framework Laptop’s EC for fun and profit

In this post, I’ll walk through adding a simple but highly-requested feature to the EC: a Fn lock light. It’s mostly fun, there’s no profit.

ANNOUNCE: ECTool.efi for the Framework Laptop

ECTool.efi is a tool for communicating with the embedded controller in the Framework Laptop (and potentially other devices with ChromeOS-derived embedded controllers) from the UEFI shell.

The Framework Laptop’s Embedded Controller (EC)

The Framework Laptop is probably the coolest laptop of the century. It’s also got a pretty cool embedded controller, which this post details.