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31 lines
2.5 KiB
Markdown
31 lines
2.5 KiB
Markdown
# What is Meshtastic?
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Meshtastic is a project that lets you use
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inexpensive GPS mesh radios as an extensible, super long battery life mesh GPS communicator. These radios are great for hiking, skiing, paragliding -
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essentially any hobby where you don't have reliable internet access. Each member of your private mesh can always see the location and distance of all other
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members and any text messages sent to your group chat.
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The radios automatically create a mesh to forward packets as needed, so everyone in the group can receive messages from even the furthest member. The radios
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will optionally work with your phone, but no phone is required.
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Typical time between recharging the radios should be about eight days.
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This project is currently pre-alpha, but if you have questions please join our chat [](https://gitter.im/Meshtastic/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge).
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This software is 100% open source and developed by a group of hobbyist experimenters. No warranty is provided, if you'd like to improve it - we'd love your help. Please post in the chat.
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## Meshtastic Android app
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The source code for the Meshtastic Android app is [here](https://github.com/geeksville/Meshtastic-Android).
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Soon our first alpha release of will be released here:
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[](https://play.google.com/store/apps/details?id=com.geeksville.mesh&referrer=utm_source%3Dhomepage%26anid%3Dadmob)
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## Supported hardware
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We currently support two brands of radios. The [TTGO T-Beam](https://www.aliexpress.com/item/4000119152086.html) and the [Heltec LoRa 32](https://heltec.org/project/wifi-lora-32/). Most users should buy the T-Beam and a 18650 battery (total cost less than $35). Make
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sure to buy the frequency range which is legal for your country. For the USA, you should buy the 915MHz version. Getting a version that include a screen
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is optional, but highly recommended.
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We don't yet distribute prebuilt binaries. But soon (by Feb 22) we will have a file that you can fairly easily install on your radio via USB. Once our software is installed, all future software updates happen over bluetooth from your phone.
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For a nice 3D printable case see this [design](https://www.thingiverse.com/thing:3773717) by [bsiege](https://www.thingiverse.com/bsiege).
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