Thank you Alan, looking forward to continuing to contribute to this amazing project!
Matteo On Fri, Jan 24, 2025 at 10:25 AM Alan C. Assis <acas...@gmail.com> wrote: > Hi Matteo, > > Congratulations for achieving it! I just posted about it on LinkedIn too! > > We are grateful for all you have done for NuttX too! The Raspberry Pi 4 > port for example will open new possibilities for NuttX! > > BR, > > Alan > > On Fri, Jan 24, 2025 at 12:00 AM Matteo Golin <matteo.go...@gmail.com> > wrote: > > > Hello everyone, > > > > I just wanted to share that I have finished developing a flight computer > > for my L1 rocket, which I have designed from > > scratch with the intent of running NuttX (right down to the LED status > > indicators). This is distinct from the InSpace > > flight computer designed this year that I have mostly been emailing > about, > > which is more capable and designed for higher > > power (L3, 30,000ft) rockets. > > > > I have posted all of the design files here ( > > https://altusmetrum.org/TeleMetrum/), and started on creating the > > out-of-tree board support for it: https://github.com/linguini1/pygmy-nx > > > > Many friends that I have made through the rocketry hobby are very > > interested in having electronics on board their > > rockets as they do certification flights and hobby flights. This allows > > them to come up with some flight characteristics > > about their rocket. Unfortunately, most telemetry capable flight > computers > > are quite expensive. > > > > This board is meant to be an open-source alternative to existing, pricey > > flight computers like the Altus Telemetrum > > (https://altusmetrum.org/TeleMetrum/) and similar, which cost around > > $430CAD where I live. The Pygmy and its ground > > station receiver totals about half of that, and that is as a prototyping > > cost with a small batch order. > > > > Since discovering NuttX and how capable it is, I knew that it would be a > > great candidate for use on this board. It's > > open source and well maintained, with a nice ability to customize its > > features. Unlike a lot of commercial alternatives, > > I have designed this flight computer to be "hackable" so that hobbyists > > can modify the NuttX image on it, write their > > own applications or even put MicroPython on it. NuttX is really conducive > > to the goal of being hackable and powerful. > > > > I have successfully been able to bring up the board just recently, > > communicate with all my sensors, use the existing > > UORB driver for the MS5607 and test the GPS with the wonderful `gps` > > example in the apps collection. I have a few > > sensors to write drivers for and I have yet to test the SPI micro SD > card, > > but it's looking like NuttX was a great > > choice for getting this going. I'm very excited to get some software > > written for it, and I will be launching it in the > > spring for my Tripoli L1 certification flight if all goes to plan. > > > > I want to say thank you to the community here again for being so > welcoming > > and for dedicating so much time to creating > > an incredibly powerful and easy to use RTOS. I would not have believed it > > was possible for me to create my own flight > > computer from scratch and bring it up so quickly based on my experience > > with other RTOSes. > > > > Hopefully this is of some interest to you all! I don't know how many > > boards have been built with the intent to run > > NuttX specifically, but here is another that will hopefully gain some > > popularity in the rocketry community. > > > > -- > > Matteo Golin > > >
