Noah Clements’ bike rides stopped syncing to his phone. That was it. That was the whole reason he ended up reverse engineering Bluetooth packets, decompiling an Android APK, and getting greeted with “WELCOME TO HELL DEVELOPER” on his cycling computer.
I ride a Wahoo ELEMNT Bolt v3. It’s a solid GPS cycling computer – maps, sensors, the works. But at some point my rides just stopped syncing to the companion app on my phone.
The Bolt v3 runs a custom Android build.
See how Noah dug through the code, found the developer menu and ended up documenting the full BLE protocol, the file transfer system, and more.
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Scratch Week 2026 runs from today, May 4 – Friday, May 8. Celebrate and get the kids into programming! Join in on the fun with the global Scratch/ScratchJr community with a new theme each day!
Scratch Week is our global, virtual celebration of Scratch and ScratchJr that takes place annually each May. A new theme studio is revealed every weekday, and we invite you to imagine, create, and share along with us in the Scratch online community by participating in our studios! The studios are open to all, and everyone is welcome to create a project that fits one or more of the studio themes as a way of participating in the studios.
Monday May 4- Glow in the dark
Tuesday May 5- x Marks the spot
Wednesday May 6- Glitch lab
Thursday May 7- back to the moon
Friday May 8- PARTY TIME!!!
When the lights go out, colors transform, shapes feel more mysterious, and even the smallest bit of light can transform a dark space into something new and unique. Whether you’re creating neon landscapes, mysterious nighttime adventures, or glowing
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Build your own IoT NeoPixel lamp inspired by EPCOT Spaceship Earth! Use a QT Py ESP32 PICO, NeoPixel BFF Driver and WLED to make amazing lighting effects! Check out the guide from the Ruiz Brothers to design your own.
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We’ve got so much happening here at Adafruit that it’s not always easy to keep up! Don’t fret, we’ve got you covered. Each week we’ll be posting a handy round-up of what we’ve been up to, ranging from learn guides to blog articles, videos, and more.
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May is Asian American, Native Hawaiian and Pacific Islander Heritage Month 2026
Asian American, Native Hawaiian and Pacific Islander Heritage Month honors the history, contributions and representation of these diverse groups. This year we are excited to shine some light on incredible stories of the American Dream.
This week @adafruit we’re showcasing our MIT Green Building Tetris project. Pedro shows us updates to his prototypes of a BLE beacon using CLUE. Catching up on makes from the community. This week’s timelapse features the NASA mascot, Rise.
Whether it’s the sound or the visually organized chaos, there’s something so wildly satisfying about experiencing a split flap display in action. Over on YouTube Adam G Makes shared their build referencing Instructables user MorganManly‘s build and scottbez1’s code on GitHub!
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