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#circuitpython

2 posts2 participants0 posts today
gallaugher<p>I’m updating the @raspberrypi.com pico lessons for my course on <a href="https://mastodon.world/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>electronics</span></a> <a href="https://mastodon.world/tags/making" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>making</span></a>: beginner thru IoT &amp; robotics. We use <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a>. Here is the first lesson youtu.be/d6e6En1OjNQ Will also have a low-cost book &amp; online quiz. Feedback &amp; shared always welcome. <a href="https://mastodon.world/tags/CSed" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CSed</span></a> have at it</p>
Tod Kurt (todbot)<p>I wrote a little tool to show what "board.*" defines for a <a href="https://mastodon.social/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> build. I got tired for always trawling through ports/*/boards for it. It's called "cirpy-showpins" and its output looks like the below. I used <a href="https://mastodon.social/tags/Perl" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Perl</span></a> originally but here's it in Python: <a href="https://gist.github.com/todbot/e91853b9d5e021405bb9a85081a39163" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gist.github.com/todbot/e91853b</span><span class="invisible">9d5e021405bb9a85081a39163</span></a></p>
gallaugher<p><a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> Sonic Pillars now have a medium tone to match low tone. One more to go. Splotchy animation on right side looks like power prob but should be identical to no prob left. I need to diffuse lights &amp; build some sort of mounting/housing but should be fun. John Park had great advice to add a fade trail to indicate movement direction. <a href="https://mastodon.world/tags/led" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>led</span></a><br><a href="https://youtube.com/shorts/QFUMiGO-DG0?feature=share" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">youtube.com/shorts/QFUMiGO-DG0</span><span class="invisible">?feature=share</span></a></p>
Dr. Fyzziks<p>In the end, I should have a video file that I can potentially feed to a (local) AI / OCR tool to pull out the text.</p><p>Alternatively, if the video approach doesn't pan out I can modify the script to scroll then take a screen shot instead - I'd end up with a ton of images, but they might be easier to OCR or at least index.</p><p>At least that's the plan, unless somebody has a better idea?</p><p><a href="https://makervine.net/tags/raspberrypi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>raspberrypi</span></a> <a href="https://makervine.net/tags/signal" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>signal</span></a> <a href="https://makervine.net/tags/circuitpython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>circuitpython</span></a> <a href="https://makervine.net/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>python</span></a> <a href="https://makervine.net/tags/automation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>automation</span></a> <a href="https://makervine.net/tags/omgseriously" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>omgseriously</span></a> <a href="https://makervine.net/tags/iOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iOS</span></a> (5/5)</p>
gallaugher<p>120 NeoPixel patio <a href="https://mastodon.world/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LEDs</span></a> (two strings of 60) powered by a Pico 2w on a mobile phone wall wart.<br>Not as bright as l'd like. Will distribute power but the simple <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> animations look cool. Any good recs of brighter NeoPixels to spread out on a field for an animated matrix-style installation?</p>
gallaugher<p>Looking forward to speaking to visiting Nord Anglia educators about best practices in <a href="https://mastodon.world/tags/STEMed" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>STEMed</span></a> and my <a href="https://mastodon.world/tags/SwiftUI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SwiftUI</span></a> &amp; <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> courses. But I agreed to the talk before WWDC was scheduled. It’s at the exact time of the keynote! Happy WWDC day to all who celebrate. I’ll catch up later. Hack on!</p>
Andy Warburton ❌❌❌<p>Finished building my new hardwired split mechanical keyboard this weekend! <a href="https://mastodon.social/tags/3dprinted" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>3dprinted</span></a> based on my own design, spray painted and powered by a pair of Raspberry Pi Pico W’s. Of course, it’s running my fave <a href="https://mastodon.social/tags/keyboard" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>keyboard</span></a> firmware <a href="https://mastodon.social/tags/KMK" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KMK</span></a>! Sadly <a href="https://mastodon.social/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> doesn’t yet support BLE on the PicoW so it’s not wireless yet, but I’m just counting down the days! </p><p>(more details in the image alt text!)</p><p><a href="https://mastodon.social/tags/olkb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>olkb</span></a> <a href="https://mastodon.social/tags/splitkeyboard" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>splitkeyboard</span></a> <a href="https://mastodon.social/tags/ergokeyboard" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ergokeyboard</span></a> <a href="https://mastodon.social/tags/mechanicalkeyboard" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mechanicalkeyboard</span></a> <a href="https://mastodon.social/tags/pipico" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pipico</span></a> <a href="https://mastodon.social/tags/picow" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>picow</span></a> <a href="https://mastodon.social/tags/raspberrypi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>raspberrypi</span></a></p>
gallaugher<p>Perhaps motivated by recent vision loss 😊 I've put together a tutorial showing how to add a round 1.28" GC9A01A TFT display to a <span class="h-card" translate="no"><a href="https://threads.net/@raspberrypi/" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>raspberrypi</span></a></span> and animate a wiggly eye using <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a>. Thanks to @Todbot for initial code &amp; ideas. <a href="https://youtu.be/BBng36VB1S8" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/BBng36VB1S8</span><span class="invisible"></span></a></p>
blitzcitydiy<p><strong>MIDI Controlled Pocket Operator?</strong></p> <p><a href="https://makertube.net/w/2Ld3u3LDJnQPeLgyE2yPU9" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">makertube.net/w/2Ld3u3LDJnQPeL</span><span class="invisible">gyE2yPU9</span></a></p>
Tod Kurt (todbot)<p>For the last month or so I've been working on seeing how far I can push CircuitPython into emulating a TB-303 bass synth. With the new audiofilters library, you can "stack" filters to make two two-pole filters seem like a 4-pole filter, getting close to that squelchy sound we need. My efforts so far: <br><a href="https://www.youtube.com/watch?v=1AflpXbEIno" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">youtube.com/watch?v=1AflpXbEIno</span><span class="invisible"></span></a><br><a href="https://mastodon.social/tags/circuitpython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>circuitpython</span></a> <a href="https://mastodon.social/tags/tb303" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tb303</span></a> <a href="https://mastodon.social/tags/synthdiy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>synthdiy</span></a> <a href="https://mastodon.social/tags/raspberrypipico" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>raspberrypipico</span></a></p>
Liz [BlitzCityDIY]<p>i built a new musical robot- this time for a smol toy piano xylophone: <a href="https://learn.adafruit.com/solderless-robot-toy-xylophone" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">learn.adafruit.com/solderless-</span><span class="invisible">robot-toy-xylophone</span></a></p><p>coded in <a href="https://mastodon.social/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> and it doesn't require any soldering. it also has two modes: live <a href="https://mastodon.social/tags/MIDI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MIDI</span></a> or music box. Live MIDI listens to incoming MIDI messages over USB, while music box mode plays back MIDI files (.mid) saved on the CIRCUITPY drive.</p>
gallaugher<p>Want to wire one of those cool &amp; colorful HUB75 LED displays to your @raspberrypi.com pico? Here's your detailed lesson on how to make it happen. <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> makes coding the display easy. Lesson comes with fireworks &amp; modifiable scrolling &amp; icon code. Happy Hacking! <a href="https://youtu.be/vM3-0qyjfh8" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/vM3-0qyjfh8</span><span class="invisible"></span></a></p>
gallaugher<p>Got a 64x32 HUB75 board running on a @raspberrypi.com pico w/ <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a>. Fireworks animation &amp; scrolling Happy Graduation. GitHub link w/wiring diagram &amp; code. You can, of course, drop the reference to my uni. Video lesson coming soon. <a href="https://github.com/gallaugher/pico-and-hub75-led-matrix?tab=readme-ov-file" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/gallaugher/pico-and</span><span class="invisible">-hub75-led-matrix?tab=readme-ov-file</span></a> video: <a href="https://youtu.be/Gocp5tGlDXI" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/Gocp5tGlDXI</span><span class="invisible"></span></a></p>
gallaugher<p>Students in "Physical Computing: Art, Robotics, and Tech for Good" present their Assistive Tech projects built for real clients in the Boston College Campus School - an on-campus program for students aged 3-21 that have significant physical and/or developmental challenges. All projects use <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a>, and tech from <span class="h-card" translate="no"><a href="https://mastodon.cloud/@adafruit" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>adafruit</span></a></span> and/or <span class="h-card" translate="no"><a href="https://threads.net/@raspberrypi/" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>raspberrypi</span></a></span> <a href="https://youtu.be/VKkg03EOk0Q" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/VKkg03EOk0Q</span><span class="invisible"></span></a><br>And remember, curriculum for the course is available at YouTube.com/@BuildWithProfG</p>
gallaugher<p>Got less than 6 minutes? Like student <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> projects? Enjoy maker creativity? Then check out these projects using @adafruit.com &amp; @raspberrypi.com goodness. Instructables linked in desc. Sincerest thanks to all of the kind folks who have encouraged them this semester! <a href="https://youtu.be/u4VNf-bi6Xw" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/u4VNf-bi6Xw</span><span class="invisible"></span></a></p>
AxWax<p>My Raspberry Pi Pico 2-based Dub siren now has a simple synth engine in addition to a sample engine, so its sounds now range from classic siren sounds to air horns and vocal snippets.</p><p>In this short video I show off the synth engine: 🎹🔈🎶 </p><p><a href="https://v.basspistol.org/w/qmjJ3TY8Q8mEzigVywDXmt" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">v.basspistol.org/w/qmjJ3TY8Q8m</span><span class="invisible">EzigVywDXmt</span></a></p><p>thx again 2 <span class="h-card" translate="no"><a href="https://mastodon.social/@todbot" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>todbot</span></a></span> </p><p>And if you haven't seen it yet check out this video for yesterday's exploration of the sample engine: 📯🔈🎶</p><p><a href="https://v.basspistol.org/w/pS4PrN9Wjo5eFP4hqFSpYr" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">v.basspistol.org/w/pS4PrN9Wjo5</span><span class="invisible">eFP4hqFSpYr</span></a></p><p><a href="https://chaos.social/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> <a href="https://chaos.social/tags/AudioElectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AudioElectronics</span></a> <a href="https://chaos.social/tags/SynthDIY" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SynthDIY</span></a> <a href="https://chaos.social/tags/RP2350" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RP2350</span></a> <a href="https://chaos.social/tags/synths" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>synths</span></a> <a href="https://chaos.social/tags/SynthIO" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SynthIO</span></a> <a href="https://chaos.social/tags/BonkWave" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BonkWave</span></a></p>
AxWax<p>I was inspired by <span class="h-card" translate="no"><a href="https://mastodon.social/@todbot" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>todbot</span></a></span>'s latest <a href="https://chaos.social/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> audio effects experiments, so I had a go at incorporating what I learned into a DIY Dub siren. It consists of a Raspberry Pi Pico 2, an i2s module with stereo line out and some pots, an encoder and a button.</p><p>Check out my unfinished (but already fun) prototype here:</p><p><a href="https://v.basspistol.org/w/pS4PrN9Wjo5eFP4hqFSpYr" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">v.basspistol.org/w/pS4PrN9Wjo5</span><span class="invisible">eFP4hqFSpYr</span></a></p><p>NB: the case was a charity shop find.</p><p><a href="https://chaos.social/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>electronics</span></a> <a href="https://chaos.social/tags/AudioElectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AudioElectronics</span></a> <a href="https://chaos.social/tags/SynthDIY" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SynthDIY</span></a> <a href="https://chaos.social/tags/RP2350" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RP2350</span></a></p>
Tod Kurt (todbot)<p>The new audio effects libraries in CircuitPython are super fun. Here's a quick "taster" showing off some of them, part of my impending "Synthio Tutorial". Thanks Mark &amp; Cooper for making them!<br><a href="https://www.youtube.com/watch?v=nyv7XlQ1d00" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">youtube.com/watch?v=nyv7XlQ1d00</span><span class="invisible"></span></a><br><a href="https://mastodon.social/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> <a href="https://mastodon.social/tags/synthio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>synthio</span></a> <a href="https://mastodon.social/tags/audioeffects" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>audioeffects</span></a> <a href="https://mastodon.social/tags/synthdiy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>synthdiy</span></a></p>
gallaugher<p>Etching some awards for tomorrow’s Student Tech Showcase. Come out! Sat 4/26, 1-3pm, 245 Beacon St Room 301 (the new MakerSpace bldg). Pizza at 1 for all! <a href="https://mastodon.world/tags/Swift" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Swift</span></a> and <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> projects will be super fun!</p>
gallaugher<p>Last slides in this Semester of <a href="https://mastodon.world/tags/SwiftUI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SwiftUI</span></a> are now in the Google Drive at gallaugher.com. Today we'll be building a full-stack CloudFirestore/FirebaseStorage app together: "Places I've Been". See "BCSwift Week 14 - Fall 2025 (no week 13 - that was Mid-Term #2)" In Boston? Come to campus for BCArts Fest on Sat. April 26. Boston College Bldg 245 Beacon, Room 301, 1-3pm. <a href="https://mastodon.world/tags/SwiftUI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SwiftUI</span></a> &amp; <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CircuitPython</span></a> students present their work science-fair style. Wander around &amp; encourage young devs. Employers - TALENT!</p>
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