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IT NewsPi Pico Throws Us for a (MIDI) Loop - Modern micro-controllers are absolute marvels, but it isn’t too many projects use ... - <a href="https://hackaday.com/2025/04/28/pi-pico-throws-us-for-a-midi-loop/" rel="nofollow noopener" translate="no" target="_blank">https://hackaday.com/2025/04/28/pi-pico-throws-us-for-a-midi-loop/</a> <a href="https://schleuss.online/tags/electronicmusic" class="mention hashtag" rel="nofollow noopener" target="_blank">#electronicmusic</a> <a href="https://schleuss.online/tags/musicalhacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#musicalhacks</a> <a href="https://schleuss.online/tags/midiloop" class="mention hashtag" rel="nofollow noopener" target="_blank">#midiloop</a> <a href="https://schleuss.online/tags/diymidi" class="mention hashtag" rel="nofollow noopener" target="_blank">#diymidi</a> <a href="https://schleuss.online/tags/pipicow" class="mention hashtag" rel="nofollow noopener" target="_blank">#pipicow</a> <a href="https://schleuss.online/tags/pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#pico</a>-w

Derek Caelin is writing a bookI just soldered some wires to a <a href="https://social.coop/tags/rapsberrypi" class="mention hashtag" rel="nofollow noopener" target="_blank">#rapsberrypi</a> <a href="https://social.coop/tags/pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#pico</a> in preparation for a <a href="https://social.coop/tags/GameCube" class="mention hashtag" rel="nofollow noopener" target="_blank">#GameCube</a> mod.

Łukasz C. JokielSo I got this crystal wrong. Still don't know if I read the spec right, but it seems the PIN 1, makred - is GND no XI... So moved 45 degrees and <a href="https://pol.social/tags/Atari" class="mention hashtag" rel="nofollow noopener" target="_blank">#Atari</a> ST <a href="https://pol.social/tags/Tang" class="mention hashtag" rel="nofollow noopener" target="_blank">#Tang</a> Nano 20k with RPi <a href="https://pol.social/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a> - works finally!

Jeffrey RoeHere is a video with the sound of the video encoding. ( You might want to turn it down). The radio part will have to wait until tomorrow. <a href="https://chaos.social/tags/sstv" class="mention hashtag" rel="nofollow noopener" target="_blank">#sstv</a> <a href="https://chaos.social/tags/pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#pico</a> <a href="https://chaos.social/tags/amateurrardio" class="mention hashtag" rel="nofollow noopener" target="_blank">#amateurrardio</a>

Tindie Maker MarketplacePretty Pico GPIO Indicator <a href="https://hackaday.social/tags/TindieBlog" class="mention hashtag" rel="nofollow noopener" target="_blank">#TindieBlog</a> <a href="https://hackaday.social/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a> <a href="https://hackaday.social/tags/GPIO" class="mention hashtag" rel="nofollow noopener" target="_blank">#GPIO</a> <a href="https://hackaday.social/tags/LED" class="mention hashtag" rel="nofollow noopener" target="_blank">#LED</a> <a href="https://hackaday.social/tags/PinState" class="mention hashtag" rel="nofollow noopener" target="_blank">#PinState</a> <a href="https://hackaday.social/tags/Indicator" class="mention hashtag" rel="nofollow noopener" target="_blank">#Indicator</a> <a href="https://blog.tindie.com/2025/03/pretty-pico-gpio-indicator/" rel="nofollow noopener" translate="no" target="_blank">https://blog.tindie.com/2025/03/pretty-pico-gpio-indicator/</a>

Chris Burton<a href="https://mastodon.social/@rpimag" class="u-url mention" rel="nofollow noopener" target="_blank">@rpimag</a> I did a bit more work on my UART booting Flashless Picos. On the end of each "pico" there's an I2C port for the I/O expander (used to reset/setup the RP2350A to boot from UART) and a UART port to send the bin file/communicate after boot. The Pico2 in the PicoUART6 is running CircuitPython using Adafruit_CircuitPython_PIO_UART for the non-hardware UARTs.<a href="https://widget.uk/tags/MakerMonday" class="mention hashtag" rel="nofollow noopener" target="_blank">#MakerMonday</a> <a href="https://widget.uk/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a> <a href="https://widget.uk/tags/Pico2" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico2</a> <a href="https://widget.uk/tags/RP2350" class="mention hashtag" rel="nofollow noopener" target="_blank">#RP2350</a> <a href="https://widget.uk/tags/RP2350A" class="mention hashtag" rel="nofollow noopener" target="_blank">#RP2350A</a> <a href="https://widget.uk/tags/PicoUART6" class="mention hashtag" rel="nofollow noopener" target="_blank">#PicoUART6</a> <a href="https://widget.uk/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#CircuitPython</a>

frd💾Hey fedi <a href="https://merveilles.town/tags/gamedev" class="mention hashtag" rel="nofollow noopener" target="_blank">#gamedev</a> folks - I'm looking for a framework that will make it fun to write some retro inspired games.Something like <a href="https://merveilles.town/tags/pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#pico</a>-8 without the restrictions. I've been looking for something like that for a while (here's some old research: <a href="https://fdisk.quest/dreamengine/" rel="nofollow noopener" translate="no" target="_blank">https://fdisk.quest/dreamengine/</a>), but nothing quite fits the bill. Recently I got the urge to try to finish a silly roguelike I started like 3 times already. I don't want to learn a full engine, and I'm not smart enough to tackle much outside modern, high-level languages, but I would like to be able to do some fun raster effects down the line.Any recommendations?

Bread80I'm debugging the ROM emulation on the Firestarter. It looks as if the code to monitor ROM enable and ROM selection is working but the host crashes once it starts accessing the ROM.The first access of the ROM is when BASIC calls KL_INIT_BACK to initialise background ROMs.The first read is the LD A,(&C000). A few cycles later the ROM's init routine at &C006 will be called.<a href="https://mstdn.social/tags/AmstradCPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#AmstradCPC</a> <a href="https://mstdn.social/tags/Firestarter" class="mention hashtag" rel="nofollow noopener" target="_blank">#Firestarter</a> <a href="https://mstdn.social/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a> <a href="https://mstdn.social/tags/RP2350" class="mention hashtag" rel="nofollow noopener" target="_blank">#RP2350</a>

Simon Walters<a href="https://mastodon.social/@rpimag" class="u-url mention" rel="nofollow noopener" target="_blank">@rpimag</a> <a href="https://fosstodon.org/tags/MicroWriter" class="mention hashtag" rel="nofollow noopener" target="_blank">#MicroWriter</a> using <a href="https://fosstodon.org/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a> programmed using <a href="https://fosstodon.org/@microblocks" class="u-url mention" rel="nofollow noopener" target="_blank">@microblocks</a>

ArchimageI haven’t dont any serious programming since I decided to drop XCode/Swift. I’ve been spending time getting up to speed with XOJO and Pico-8 again. I should come up with a project or two…<a href="https://writing.exchange/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#programming</a> <a href="https://writing.exchange/tags/xojo" class="mention hashtag" rel="nofollow noopener" target="_blank">#xojo</a> <a href="https://writing.exchange/tags/pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#pico</a>-8 <a href="https://writing.exchange/tags/xcode" class="mention hashtag" rel="nofollow noopener" target="_blank">#xcode</a> <a href="https://writing.exchange/tags/swift" class="mention hashtag" rel="nofollow noopener" target="_blank">#swift</a>

Bread80Time to try some ROM emulation. The first step is to sniff the ROM enable/disable states and the currently selected upper ROM.The code for this is, again, simple. It tests the I/O address for the ROM select IO port, and also the gate array IO port. If it's the gate array it tests the register select bits of the data and extracts the two ROM disable bits.<a href="https://mstdn.social/tags/FireStarter" class="mention hashtag" rel="nofollow noopener" target="_blank">#FireStarter</a> <a href="https://mstdn.social/tags/AmstradCPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#AmstradCPC</a> <a href="https://mstdn.social/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a> <a href="https://mstdn.social/tags/RP2350" class="mention hashtag" rel="nofollow noopener" target="_blank">#RP2350</a>

Dr Footleg (he/him)Question for microcontroller C++ nerds. When creating an instance of a hardware class (e.g. The display) is there any real advantage to creating via a pointer: ClassName* myvar() versus creating a scoped instance (which is global to the program): ClassName myvar() <a href="https://fosstodon.org/tags/coding" class="mention hashtag" rel="nofollow noopener" target="_blank">#coding</a> <a href="https://fosstodon.org/tags/pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#pico</a> <a href="https://fosstodon.org/tags/rpi" class="mention hashtag" rel="nofollow noopener" target="_blank">#rpi</a>-pico <a href="https://fosstodon.org/tags/raspberrypipico" class="mention hashtag" rel="nofollow noopener" target="_blank">#raspberrypipico</a> <a href="https://fosstodon.org/tags/dev" class="mention hashtag" rel="nofollow noopener" target="_blank">#dev</a> <a href="https://fosstodon.org/tags/cpp" class="mention hashtag" rel="nofollow noopener" target="_blank">#cpp</a>

Bread80Todays <a href="https://mstdn.social/tags/RP2350B" class="mention hashtag" rel="nofollow noopener" target="_blank">#RP2350B</a> school of hard knocks learning experience:The RP2350B has 48 GPIOs but a PIO can only address a contiguous block of 32 GPIOs. You can set the base pin on the PIO to either pin 0 (default) or pin 16.With pin 16 as base GPIO numbers are relative to the base ... unless they aren't. So the call to pio_gpio_init uses global numbering whilst the calls to sm_config use the based numbering.<a href="https://mstdn.social/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a>

Bread80Boy the <a href="https://mstdn.social/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a> Gods are shinning on me today. The two PIOs I wrote yesterday are working flawlessly and talking to each other like a charm. Today's interrupt plumbing and test code is purring like a cat.<a href="https://mstdn.social/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a> <a href="https://mstdn.social/tags/RP2350" class="mention hashtag" rel="nofollow noopener" target="_blank">#RP2350</a>

Bread80A weird syntax quirk on PIOs on the RP2350. An IRQ number can be absolute, relative to the current SM number on the same PIO, or an absolute value on the previous or next PIO (ie. relative to the PIO number).The SM relative indicator has to go after the IRQ number, the PIO relative indicator has to go before the IRQ number.REL dates from RP2040, PREV and NEXT are new on the RP2350.<a href="https://mstdn.social/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a> <a href="https://mstdn.social/tags/RP2350" class="mention hashtag" rel="nofollow noopener" target="_blank">#RP2350</a>

Bread80That looks like a good start to the weekend.On another project using an RP2350B I couldn't get the USB terminal to connect. I've no idea if it was the hardware or a config issue. But this is working off the bat, so config is good, hardware is good and soldering is good :)<a href="https://mstdn.social/tags/Pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pico</a> <a href="https://mstdn.social/tags/RP2350B" class="mention hashtag" rel="nofollow noopener" target="_blank">#RP2350B</a>

Stephen SekulaI have been in some exhilarating conversations over the past few days about additional ways to use the sound sensors on the <a href="https://mastodon.cooleysekula.net/tags/PICO" class="mention hashtag" rel="nofollow noopener" target="_blank">#PICO</a> bubble chamber experiment. While these ideas may ultimately be dead ends, it is exciting to engage with colleagues across the collaboration in trying some new (crazy?) ideas. I love going up alleys to see if they are blind.<a href="https://mastodon.cooleysekula.net/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#science</a> <a href="https://mastodon.cooleysekula.net/tags/darkmatter" class="mention hashtag" rel="nofollow noopener" target="_blank">#darkmatter</a> <a href="https://mastodon.cooleysekula.net/tags/experiment" class="mention hashtag" rel="nofollow noopener" target="_blank">#experiment</a> <a href="https://mastodon.cooleysekula.net/tags/acoustics" class="mention hashtag" rel="nofollow noopener" target="_blank">#acoustics</a>

nusan✨alicePicoMix By NuSan : Pico-8 Cartdriges Pack just released as a FREE DLC on Steam. All pico-8 cartdriges from the collection Read, study, edit, tweak the code. Add anything you like and have fun in the Pico-8 software itself. <a href="https://peoplemaking.games/tags/pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#pico</a>-8 <a href="https://peoplemaking.games/tags/indiedev" class="mention hashtag" rel="nofollow noopener" target="_blank">#indiedev</a> <a href="https://peoplemaking.games/tags/steam" class="mention hashtag" rel="nofollow noopener" target="_blank">#steam</a> <a href="https://store.steampowered.com/app/3502330/PicoMix_By_NuSan__Pico8_Cartdriges_Pack/" rel="nofollow noopener" translate="no" target="_blank">https://store.steampowered.com/app/3502330/PicoMix_By_NuSan__Pico8_Cartdriges_Pack/</a>

Andrea Grandi 🦕No TinyGlobo this year at <a href="https://mastodon.social/tags/FOSDEM" class="mention hashtag" rel="nofollow noopener" target="_blank">#FOSDEM</a> ? That was fun to watch <a href="https://www.youtube.com/watch?v=yiX-U753VNw" rel="nofollow noopener" translate="no" target="_blank">https://www.youtube.com/watch?v=yiX-U753VNw</a><a href="https://mastodon.social/tags/TinyGo" class="mention hashtag" rel="nofollow noopener" target="_blank">#TinyGo</a> <a href="https://mastodon.social/tags/balloon" class="mention hashtag" rel="nofollow noopener" target="_blank">#balloon</a> <a href="https://mastodon.social/tags/pico" class="mention hashtag" rel="nofollow noopener" target="_blank">#pico</a> <a href="https://mastodon.social/tags/rp2040" class="mention hashtag" rel="nofollow noopener" target="_blank">#rp2040</a>

Metaverse 💞 beyond.pictures»<a href="https://eicker.news/tags/XRStreaming" class="mention hashtag" rel="nofollow noopener" target="_blank">#XRStreaming</a> Takes Steps Forward with <a href="https://eicker.news/tags/PICO" class="mention hashtag" rel="nofollow noopener" target="_blank">#PICO</a> Integration of <a href="https://eicker.news/tags/NVIDIA" class="mention hashtag" rel="nofollow noopener" target="_blank">#NVIDIA</a> <a href="https://eicker.news/tags/GeforceNOW" class="mention hashtag" rel="nofollow noopener" target="_blank">#GeforceNOW</a>.« <a href="https://www.xrtoday.com/virtual-reality/xr-streaming-takes-steps-forward-with-pico-integration-of-nvidia-geforce-now/?Metaver.se" rel="nofollow noopener" translate="no" target="_blank">https://www.xrtoday.com/virtual-reality/xr-streaming-takes-steps-forward-with-pico-integration-of-nvidia-geforce-now/?Metaver.se</a> <a href="https://eicker.news/tags/Metaverse" class="mention hashtag" rel="nofollow noopener" target="_blank">#Metaverse</a> <a href="https://eicker.news/tags/VirtualWorlds" class="mention hashtag" rel="nofollow noopener" target="_blank">#VirtualWorlds</a> <a href="https://eicker.news/tags/VR" class="mention hashtag" rel="nofollow noopener" target="_blank">#VR</a> <a href="https://eicker.news/tags/AR" class="mention hashtag" rel="nofollow noopener" target="_blank">#AR</a> <a href="https://eicker.news/tags/MR" class="mention hashtag" rel="nofollow noopener" target="_blank">#MR</a>

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