* Written mostly in C with some ARM assembler
* Runs from on-chip flash, uses on-chip RAM, stores flight data to serial flash
* USB serial emulation for "console" interface
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* Tools Used
* [lepton-eda](https://github.com/lepton-eda/lepton-eda) for schematic capture
* [pcb-rnd](http://repo.hu/projects/pcb-rnd/) for PCB layout
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* Licenses
* The hardware is licensed under the [TAPR](http://www.tapr.org) [Open Hardware License](http://www.tapr.org/ohl.html)
* The software is licensed [GPL version 2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)