M-Core P4 — Off-Grid LoRa Mesh Communicator for LilyGo T-Display P4

Home<br>Features<br>Pricing<br>Flash Device<br>Buy License<br>Wiki<br>Blog

M-Core<br>P4

Off-grid mesh communication

Turn your LilyGo T-Display P4 into a powerful LoRa mesh communicator built on the MeshCore protocol. Send messages, play games, and stay connected — no internet, no cell towers, no limits. Requires existing MeshCore infrastructure (repeaters/nodes) in your area.

Flash Your Device<br>Get a License<br>Learn More

What You Get

LoRa Mesh<br>Long-range radio mesh networking. Messages hop between devices to extend range for miles.

Messaging<br>Direct and channel messaging with contacts. Chat with anyone on the mesh.

6 Games<br>Reversi, Connect 4, Tic-Tac-Toe, Hangman, Battleship, and Word Chain — all over LoRa. Requires 2 or more T-Display P4 devices.

Web Dashboard<br>Manage your device from any browser via Ethernet. Send messages, configure radio, update firmware.

GPS Tracking<br>Built-in GPS with map display. Share your location with mesh contacts.

Encrypted<br>Every device gets a unique cryptographic identity. Messages are secured end-to-end.

OTA Updates (Coming Soon)<br>Update firmware over Ethernet — no USB cable needed after initial flash.

Sketch Theme<br>Beautiful hand-drawn UI inspired by sketchbook aesthetics. Warm, friendly, and easy to use.

SD Storage<br>Messages and contacts persist on SD card. Your data survives reboots.

How It Works

Get a T-Display P4<br>Purchase a LilyGo T-Display P4 (TFT or AMOLED variant) from LilyGo or your preferred retailer.

Flash the Firmware<br>Visit flash.mcore.one and flash directly from your browser. No software to install.

Activate Your License<br>Purchase a license at license.mcore.one using your device's serial number. Pay with PayPal.

Start Meshing<br>Enter your license code on the device. Discover contacts, send messages, and play games — all off-grid over LoRa.

Pricing

License

$5 USD

AMOLED & TFT display

Both TFT and AMOLED resolutions Supported

All features included

Lifetime activation

OTA updates

Buy License

Please ensure that you pick the correct firmware when flashing your device. Please visit License page to grab your device license

How M-Core Was Born

You're on a camping trip with a few buddies who all have their T-Display P4. You encouraged your friends to buy one thinking further development would come from a certain YouTuber — now gone quiet. Everyone's feeling like it was a waste of money.

We're all Reversi champions. We love the game. Then Mike says: "I wish we could play Othello while camping."

That idea sparked M-Core. On that camping trip, we all enjoyed our T-Display devices in a completely new way — playing games, sending messages, and staying connected off-grid over LoRa. No internet needed.

See It In Action

M Core P4 | Othello - T Display p4 custom firmware<br>by<br>u/codecarter in<br>meshcore

M-Core P4 | Othello for The T Display P4 Firmware<br>by<br>u/codecarter in<br>meshcore

From the Blog

May 10, 2026

Companion Android App Beta

Announcing the companion app for the T-Display P4. Connect to your device, configure settings, send messages, and more — right from your phone.

❤️ 1 👍 1 APK available

May 10, 2026

Known Firmware Bug — Screen Glitch

Investigating a random screen glitch on AMOLED devices. Not consistent across units. If you notice any patterns, let us know.

❤️ 1 Sound + camera support coming

May 9, 2026

Why I Made This Application

The full origin story — from buying the device, to the camping trip, to building M-Core for a group of friends who felt their T-Display was going to waste.

👍 2 ❤️ 1 💬 3 comments