M-Pocket

An open-source project for Cardputer Zero

Mastodon for
Cardputer Zero.

Read your home and local feeds, and write posts using the Cardputer Zero keyboard.

Download the beta

Device beta. The device build hasn’t been tested on a physical Cardputer Zero yet.

Cardputer Zero • M-Pocketemulator view
Cardputer Zero emulatorM-Pocket home feed in light purple, showing a demo post
Preview theme

320 × 170 display

Keyboard controls

Open source on GitHub ↗

Read your feeds.

One post at a time. Scroll the long ones, move to the next, or switch to your local feed.

Demo post in the M-Pocket light theme
A sample feed, rendered in the emulator.

A few keys worth knowing

Z C
Previous / next post
F X
Scroll through a post
R
Refresh the feed
T
Switch home / local

The Mac emulator includes newer features, including likes and remembered login. The device beta may differ.

Write and customize.

Write a public post, change the text size, or switch the theme when the room gets darker.

Press N to write, O for settings. Your post gets a review screen before it’s sent.

An unsent demo post in the dark theme
Writing a post
The settings screen in the dark theme
Appearance & text size

Install and sign in.

Choose a Mastodon server and sign in from your phone. No password to type into the Cardputer, and no authorization code to copy back.

Get the beta on GitHub
  1. 01
    Install the package

    Download the Linux ARM64 .deb from GitHub and install it on a Cardputer Zero.

  2. 02
    Choose your server

    Connect to Wi-Fi, open M-Pocket, and press S to pick your Mastodon server.

  3. 03
    Scan the QR code

    Press L, scan with your phone, and approve access. M-Pocket finishes signing in.

Before you install

The device beta passed automated checks but still needs testing on real Cardputer Zero hardware. It’s not for the original ESP32 Cardputer or Cardputer ADV.

Full installation instructions ↗

Source code.

M-Pocket is an independent, MIT-licensed project. You can read the source, report a problem, or make your own version.

Visit the GitHub repository ↗