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syaochanWake up babe, new smd hand soldering challenge just dropped <a href="https://www.ti.com/about-ti/newsroom/news-releases/2025/2025-03-11-ti-introduces-the-world-s-smallest-mcu--enabling-innovation-in-the-tiniest-of-applications.html" rel="nofollow noopener" translate="no" target="_blank">https://www.ti.com/about-ti/newsroom/news-releases/2025/2025-03-11-ti-introduces-the-world-s-smallest-mcu--enabling-innovation-in-the-tiniest-of-applications.html</a> <a href="https://mastodon.online/tags/mcu" class="mention hashtag" rel="nofollow noopener" target="_blank">#mcu</a> <a href="https://mastodon.online/tags/smdchallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#smdchallenge</a> <a href="https://mastodon.online/tags/smd" class="mention hashtag" rel="nofollow noopener" target="_blank">#smd</a> <a href="https://mastodon.online/tags/bga" class="mention hashtag" rel="nofollow noopener" target="_blank">#bga</a> <a href="https://mastodon.online/tags/wcsp" class="mention hashtag" rel="nofollow noopener" target="_blank">#wcsp</a>

Parsingphase<a href="https://m.phase.org/tags/DailyBird" class="mention hashtag" rel="nofollow noopener" target="_blank">#DailyBird</a> 🤖 White-crowned Sparrow (Zonotrichia leucophrys), 13th October 2022 es: Chingolo Coroniblanco, fr: Bruant à Couronne Blanche Danehy Park, Cambridge, Massachusetts Massa-adchu-es-et (Massachusett), Naumkeag & Pawtucket traditional territory Canon EOS R5, Canon RF 800mm f/11, 35% crop, 1/320s, ISO 1600 <a href="https://m.phase.org/tags/Birds" class="mention hashtag" rel="nofollow noopener" target="_blank">#Birds</a> <a href="https://m.phase.org/tags/WhiteCrownedSparrow" class="mention hashtag" rel="nofollow noopener" target="_blank">#WhiteCrownedSparrow</a> <a href="https://m.phase.org/tags/WCSP" class="mention hashtag" rel="nofollow noopener" target="_blank">#WCSP</a> <a href="https://m.phase.org/tags/BirdPhotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#BirdPhotography</a> <a href="https://m.phase.org/tags/VoteBlueForBirds" class="mention hashtag" rel="nofollow noopener" target="_blank">#VoteBlueForBirds</a> <a href="https://m.phase.org/tags/DescribeYourImages" class="mention hashtag" rel="nofollow noopener" target="_blank">#DescribeYourImages</a>

Parsingphase<a href="https://m.phase.org/tags/DailyBird" class="mention hashtag" rel="nofollow noopener" target="_blank">#DailyBird</a> 🤖 White-crowned Sparrow (Zonotrichia leucophrys), 15th November 2022 es: Chingolo Coroniblanco, fr: Bruant À Couronne Blanche Saguaro National Park, Tanque Verde, Arizona Hohokam, O'odham Jeweḍ, Sobaipuri & Tohono O'odham traditional territory Canon EOS R5, Canon RF 800mm f/11, 15% crop, 1/250s, ISO 250 <a href="https://m.phase.org/tags/Birds" class="mention hashtag" rel="nofollow noopener" target="_blank">#Birds</a> <a href="https://m.phase.org/tags/WhiteCrownedSparrow" class="mention hashtag" rel="nofollow noopener" target="_blank">#WhiteCrownedSparrow</a> <a href="https://m.phase.org/tags/WCSP" class="mention hashtag" rel="nofollow noopener" target="_blank">#WCSP</a> <a href="https://m.phase.org/tags/BirdPhotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#BirdPhotography</a> <a href="https://m.phase.org/tags/VoteBlueForBirds" class="mention hashtag" rel="nofollow noopener" target="_blank">#VoteBlueForBirds</a> <a href="https://m.phase.org/tags/DescribeYourImages" class="mention hashtag" rel="nofollow noopener" target="_blank">#DescribeYourImages</a>

hackaday unofficial<a href="https://hackaday.com/2022/03/21/heroic-efforts-give-smallest-arm-mcu-a-breakout-open-debugger/" rel="nofollow noopener" target="_blank">Heroic Efforts Give Smallest ARM MCU a Breakout, Open Debugger</a> In today's episode of Diminutive Device Technology Overview, [Sprite_TM] is at it again - this time <a href="https://spritesmods.com/?art=hc32l110&f=had" rel="nofollow noopener" target="_blank">conquering the HC32L110</a>. A few weeks ago, <a href="https://hackaday.com/2022/03/01/new-part-day-smallest-arm-mcu-uproots-competition-needs-research/" rel="nofollow noopener" target="_blank">we have highlighted</a> the small ARM Cortex M0+ microcontroller, which is outstanding because of its exceptionally small size. We also pointed out a few hurdles, among them - hard-to-approach SDK and documentation, and difficulties making and assembling a PCB for such a small BGA. Today, we witness how [Sprite_TM] bulldozed through all of these hurdles for all of us, and added a few pictures to our collective "outrageous soldering" galleries while at it. First, he <a href="https://spritesmods.com/?art=hc32l110&page=2&f=had" rel="nofollow noopener" target="_blank">figured out an example layout</a> for this MCU that's achievable for us even on a cheapest 2-layer board from JLCPCB, keeping distances within the generic tolerance standards by snubbing out a few pins. As a result, we only lose access to four GPIOs - those will have to be kept as inputs, so that nothing burns out. However, that's the kind of tradeoff we are okay making if it helps us keep our PCB small and lightweight for projects where these factors matter. After receiving the resulting board, he also recorded <a href="https://www.youtube.com/watch?v=wOE9K0gox3E" rel="nofollow noopener" target="_blank">a short tutorial</a> on soldering such packages at home with a mere hot air gun and a few bare necessities like flux and tweezers - embedded below. It doesn't end there, however, as he decided to work around the GPIO fanout limitation in a non-intended way. Evidently, [Sprite_TM] decided to have some fun, taking a piece of regular 0.1″ spacing protoboard and deadbugging the chip with magnet wire, much to our amusement. The resulting contraption, pictured above, worked - and this is ever something you'd like to be able to achieve yourself in times of dire need, whether you make something work or simply to be entertained by making use of a cursed mounting technique, there's <a href="https://www.youtube.com/watch?v=dB6ook03iDI&t=120s" rel="nofollow noopener" target="_blank">an one-hour-long livestream recording</a> of how this magnet wire contraption came to be. And, of course, that wasn't the last thing to be shared. As a finishing touch, he has published <a href="https://github.com/Spritetm/hc32l110-gcc-sdk" rel="nofollow noopener" target="_blank">bindings and wrappers for Huada SDK</a> so that the chip is usable with GCC, GDB and OpenOCD. He also <a href="https://github.com/Spritetm/hc32l110-gcc-sdk/tree/master/translated_docs" rel="nofollow noopener" target="_blank">added datasheets to the same repository</a> - auto-translated but quite readable. All-GPIOs-involved blinkie GIF of a magnet-wire-bound chip triumphantly <a href="https://spritesmods.com/?art=hc32l110&page=3&f=had" rel="nofollow noopener" target="_blank">concludes the write-up</a>. An addition to [Sprite_TM]'s toolkit is an addition to everyone's toolkit - the techniques, the insights, and the are all here for us to learn from. If you ever doubted your ability to work with small packages in general or this MCU specifically, now you have a whole lot more material to draw upon! Wondering what kind of miniature device you might want to make? We hackers have mostly been having fun so far, building things like the <a href="https://hackaday.com/2019/02/18/wifi-hides-inside-a-usb-cable/" rel="nofollow noopener" target="_blank">USB-cable-hidden RubberDucky</a> or a <a href="https://hackaday.com/2021/01/18/a-miniature-vt102-running-a-miniature-pdp11/" rel="nofollow noopener" target="_blank">miniature PDP11</a>, but there must be applications in, say, the wearable or medical fields where such a small MCU would prove itself to be a hacker's friend. Maybe you want to build <a href="https://hackaday.com/2013/05/20/adding-leds-to-an-engagement-ring/" rel="nofollow noopener" target="_blank">an LED engagement ring</a> with some Cortex-M0+ smarts? In fact, this microcontroller is small enough that it wouldn't be hard to hide <a href="https://hackaday.com/2019/01/18/oreo-construction-hiding-your-components-inside-the-pcb/" rel="nofollow noopener" target="_blank">inside your PCB</a> itself. <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/arm/" rel="nofollow noopener" target="_blank">#arm</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/howto/" rel="nofollow noopener" target="_blank">#howto</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/parts/" rel="nofollow noopener" target="_blank">#parts</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/armcortexm0/" rel="nofollow noopener" target="_blank">#armcortexm0</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/armm0/" rel="nofollow noopener" target="_blank">#armm0</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/bga/" rel="nofollow noopener" target="_blank">#bga</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/chiponboard/" rel="nofollow noopener" target="_blank">#chiponboard</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/chipscalepackage/" rel="nofollow noopener" target="_blank">#chipscalepackage</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/cortexm0/" rel="nofollow noopener" target="_blank">#cortexm0</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/hc32l110/" rel="nofollow noopener" target="_blank">#hc32l110</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/huada/" rel="nofollow noopener" target="_blank">#huada</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/newpartday/" rel="nofollow noopener" target="_blank">#newpartday</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/sprite_tm/" rel="nofollow noopener" target="_blank">#sprite_tm</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/wcsp/" rel="nofollow noopener" target="_blank">#wcsp</a> <a class="mention hashtag" href="https://xn--y9azesw6bu.xn--y9a3aq/streams/tag/wlcsp/" rel="nofollow noopener" target="_blank">#wlcsp</a>

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