Firmware Hero
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TRMNL Display Plugin for KOReader

Turn a Kindle, Kobo, or any KOReader-compatible e-reader into a TRMNL dashboard.

  • Add-on
  • Stable
  • Low brick risk

Source code

This project hasn't been claimed by its maintainer yet, so its details come from the community. Is it yours? Claim it

Before you start

How hard is it?
EasyCopy a file or use a web page. No extra software.
What you need
  • A USB or MIDI cable
  • A computer
  • Another hack installed first
Can it break my device?
Very unlikely to break anything.
Can I undo it?
The project doesn't say. Assume you can't.
Get itOpens github.com

Did it work for you?

Did TRMNL Display Plugin for KOReader work on your Amazon Kindle 4?

No reports yet.

One-tap reports from owners. Bricked reports are checked before they count.

Compatibility

Devices: Amazon Kindle 4.

No compatibility information yet.

Getting started

From the project's README ("Install"):

  1. Register your device at trmnl.com: gear icon (⚙️) → BYOD device settings. Pick a device model and enter your MAC address, which KOReader shows under Menu → Network → Info.
  2. Download this repository (green Code button → Download ZIP) and unzip it.
  3. Open trmnl.koplugin/apikey.txt and replace its contents with your device API key.
  4. Copy the whole trmnl.koplugin folder into KOReader's plugins/ directory. On a Kindle: connect over USB, open the mounted drive, and drop the folder into /koreader/plugins/.
  5. Restart KOReader.
  6. Open Tools → TRMNL Display to confirm the plugin loaded, then choose Fetch screen now.

If the screen appears, you are done. Tap it (or press a button on non-touch devices) to dismiss it.

Read the full instructions

Risk and recovery

Brick risk
Low
Requires opening the device
No

Credits, license and support

License
MIT