Another day, another sad thing to report about our compromised Federal Communications Commission. Chairman Brendan Carr has followed through on his 2025 threat to kill long-term broadband speed goals established during the Biden administration, which aimed for eventually getting us to gigabit download and half-gigabit upload speeds. How dare we dream of spreading great download […]
Since April, I have been working with Sam Flynn ( https://drook.dev ) to make this balloon payload, UpLink. We did a similar launch last year with Hack Club but this was our first independent launch. UpLink was a 491 gram payload testing the insulation properties of 3D printing filaments, while also transmitting 320x240 images over a radio link -- up from the 18x10 images last year! This is a writeup on our engineering process, mistakes made, and learning experiences. It covers: - Custom electronics designed in KiCad - Firmware design - Results from the data we received on the ground - Image transmission - Launch day logistics, and where things went wrong All hardware, software, firmware, and CAD is available on GitHub: https://github.com/radeeyate/UpLink , licensed + certified as open source hardware: https://certification.oshwa.org/us002826.html If you just want to see the images received, I put up a gallery here: https://uplink.gallery.radi8.dev/ If you have any questions, comments, or concerns, let me know. I'm happy to answer anything!
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