# MeshCore Solo Solo is a MeshCore companion firmware that works on its own: messages, contacts, GPS navigation and tools right on the device, no phone needed. The phone app still connects as with the stock firmware, over Bluetooth or USB. **Try it in your browser: [solo.marekzegarek.com](https://solo.marekzegarek.com)** ## What it does - **Messages without a phone**: channels, direct messages and rooms, with quick replies, live placeholders (`{loc}`, `{time}`, sensor readings) and keyboards for Latin, Cyrillic, Greek and European diacritics. - **GPS navigation**: trail recording with GPX export, waypoints, a compass, navigate to any node, waypoint or shared location, live location sharing and a geofence alert (Locator). - **Nearby nodes**: who's around, signal and distance, ping, and remote admin of your repeaters and rooms. - **Tools**: clock with alarm, timer and stopwatch, a remote bot that answers commands over the mesh, repeater mode, a ringtone editor, diagnostics. - **Screen lock** with an optional PIN. - **On the Wio Tracker L2**: an offline map, message history on the SD card, the SD card as a USB drive, updates over WiFi. ## Devices The firmware is the same everywhere; how you drive it depends on the device. These docs mark the differences with notes like this: > [!NOTE] > **Wio Tracker L2:** what's different on the touch screen. | Group | Devices | Controls | | ----- | ------- | -------- | | **Joystick** | Wio Tracker L1 (OLED / e-ink), GAT562 30S, GAT562 Watch13, Heltec V3/V4 with a joystick | Four directions, Enter, Back | | **Keyboard** | M5Stack Cardputer ADV, T-Echo Lite + KeyShield, any board with a CardKB | Keys; arrows or their Fn combinations for the directions | | **Touch** | Wio Tracker L2 | Taps, swipes and holds; two side buttons | | OLED / e-ink | | Wio Tracker L2 | | :---: | :---: | :---: | |  |  |  | The joystick and keyboard devices share one interface, sized for small OLED and e-ink screens. The Wio Tracker L2 has its own, built for a 320 × 240 colour touch screen, with extras its hardware allows: an offline map, message history on the SD card and updates over WiFi. ## Pages - [Getting started](./getting-started.md): controls, the home screen, the phone app, updates - [Messages](./messages.md): channels, direct messages, rooms, typing - [Contacts](./contacts.md): nearby nodes, favourites, remote admin - [Navigation](./navigation.md): GPS, trail, waypoints, compass, sharing your location, the map - [Tools](./tools.md): clock tools, bot, repeater, ringtones, diagnostics - [Settings](./settings.md): what is where - [Screen lock](./lock.md): locking, auto-lock, PIN - [Hardware](./hardware.md): external keyboards and joysticks, e-ink, SD card, WiFi For developers: [UI Core](./developer/ui-core.md), [UI framework](./developer/ui-framework.md), [build flags](./developer/build-flags.md). ## Contributors Big thanks to the people who contributed to Solo: [vanous](https://github.com/vanous), [marczykm](https://github.com/marczykm), [tchellow](https://github.com/tchellow) and [3urobeat](https://github.com/3urobeat). Built on [MeshCore](https://github.com/meshcore-dev/MeshCore) and the work of its [community](https://github.com/meshcore-dev/MeshCore/graphs/contributors).