It is a 4-inch touchscreen device designed for Meshtastic®, powered by dual MCUs, the ESP32 and RP2040, and supports Wi-Fi, BLE, and LoRa®. It is an open-source, powerful IoT development platform.
The T-Deck is a compact device with a 2.8-inch IPS LCD touch screen, integrated keyboard, trackball, microphone, and speaker, running on an ESP32-S3 dual-core processor. It supports various frequencies and includes a GPS module and battery in its Plus variant. It features a U.FL/IPEX antenna connector for LoRa and can be flashed using Espressif's firmware download mode.
Meshtastic is an off-grid mesh network for short messages, but its use is limited by the need for a phone app or web UI. The T-Deck offers a standalone solution, though it has its issues. The article covers the installation and use of the experimental T-Deck UI firmware, its limitations, and community reactions.