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#tinytapeout

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IT News<p>2025 One Hertz Challenge: A 555, but not as we know it - We did explicitly ask for projects that use a 555 timer for the One Hertz Challeng... - <a href="https://hackaday.com/2025/07/22/2025-one-hertz-challenge-a-555-but-not-as-we-know-it/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/07/22/2025-o</span><span class="invisible">ne-hertz-challenge-a-555-but-not-as-we-know-it/</span></a> <a href="https://schleuss.online/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a> <a href="https://schleuss.online/tags/contests" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>contests</span></a> <a href="https://schleuss.online/tags/blinky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>blinky</span></a></p>
Matt Venn<p>On the stream today I'll be chatting with <span class="h-card" translate="no"><a href="https://rebel-lion.uk/@mike" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>mike</span></a></span> about the upcoming RISC-V Tiny Tapeout competition.</p><p><a href="https://chaos.social/tags/opensourcesiliconstream" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opensourcesiliconstream</span></a> <a href="https://chaos.social/tags/ASIC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ASIC</span></a> <a href="https://chaos.social/tags/TinyTapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TinyTapeout</span></a></p><p><a href="https://www.youtube.com/watch?v=qGC9sPZ1ujw" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=qGC9sPZ1uj</span><span class="invisible">w</span></a></p>
Marcus Müller<p>The probability of <span class="h-card" translate="no"><a href="https://chaos.social/@tnt" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>tnt</span></a></span> in a presentation is low, but it's never zero!</p><p>Matthias Jung presenting on ASIC design</p><p><a href="https://mastodon.social/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a> cc: <span class="h-card" translate="no"><a href="https://chaos.social/@matthewvenn" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>matthewvenn</span></a></span></p>
Matt Venn<p>Streaming on open source silicon in 3 hours!</p><p>I'll be looking at the results of the <a href="https://chaos.social/tags/TinyTapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TinyTapeout</span></a> survey, and picking a winner for the wafer prize.</p><p>Then Pat Deegan will be joining me to talk about putting our ASICs in Space!</p><p><a href="https://www.youtube.com/watch?v=SgO8fle5yrw&amp;ab_channel=ZeroToASICCourse" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=SgO8fle5yr</span><span class="invisible">w&amp;ab_channel=ZeroToASICCourse</span></a></p>
Matt Venn<p>Testing Ricardo Nunes's 12 bit SAR ADC on <a href="https://chaos.social/tags/TinyTapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TinyTapeout</span></a> 7!</p><p><a href="https://www.youtube.com/watch?v=4fpqKfqd39Q" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=4fpqKfqd39</span><span class="invisible">Q</span></a></p><p><a href="https://chaos.social/tags/opensource" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opensource</span></a> <a href="https://chaos.social/tags/silicon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>silicon</span></a></p>
Matt Venn<p>Combining semiconductors with music for my <span class="h-card" translate="no"><a href="https://hackaday.social/@hackaday" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>hackaday</span></a></span> Berlin lightning talk - check out this exciting Tiny Tapeout update!</p><p><a href="https://chaos.social/tags/hackaday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hackaday</span></a> <a href="https://chaos.social/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a></p><p><a href="https://www.youtube.com/watch?v=EoDauBaAxVM" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=EoDauBaAxV</span><span class="invisible">M</span></a></p>
daniel<p>Hacking together my submission for the next <a href="https://chaos.social/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a> ... the circuit works, but could use a bit of cleanup :-) Thanks <span class="h-card" translate="no"><a href="https://chaos.social/@matthewvenn" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>matthewvenn</span></a></span> for the excellent workshop!</p>
root42<p>Oh no! Efabless has shut down. Terrible news for <a href="https://chaos.social/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a> </p><p><a href="https://docs.google.com/document/d/12KPutDPBst7FF0ncB1qyxErDYeATmXoQLGjRq38dfjU/mobilebasic" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">docs.google.com/document/d/12K</span><span class="invisible">PutDPBst7FF0ncB1qyxErDYeATmXoQLGjRq38dfjU/mobilebasic</span></a></p>
Matt Venn<p>Had some fun testing Ricardo Nunes's 12bit SAR ADC on <a href="https://chaos.social/tags/TinyTapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TinyTapeout</span></a> 7 this afternoon. </p><p>A SAR ADC is a nice mixed signal example, with the digital section coordinating the binary search of an internal DAC, homing in on the input signal.</p><p>Glad I could test it myself and see it working!</p>
Matt Venn<p>Last few days for Tiny Tapeout 10! </p><p>The shuttle closes at 21:00 CET / 12:00 PT on Monday 10th of March.</p><p>We have some great projects on board already, including 3.3v mixed signal analog, a bandgap reference, the demoscene competition entries and RISCV SoCs.</p><p>But we want even more, so put on your ASIC hat and get that last minute design submitted onto Tiny Tapeout 10!</p><p><a href="https://app.tinytapeout.com/shuttles/tt10" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">app.tinytapeout.com/shuttles/t</span><span class="invisible">t10</span></a></p><p><a href="https://chaos.social/tags/opensource" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opensource</span></a> <a href="https://chaos.social/tags/asic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>asic</span></a> <a href="https://chaos.social/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a></p>
Matt Venn<p>Tiny Tapeout 10 demoscene competition is open! Enter for free and win some great prizes!</p><p><a href="https://tinytapeout.com/competitions/demoscene-tt10/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">tinytapeout.com/competitions/d</span><span class="invisible">emoscene-tt10/</span></a></p><p><a href="https://www.youtube.com/watch?v=FKi5gY6M0rw" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=FKi5gY6M0r</span><span class="invisible">w</span></a></p><p><a href="https://chaos.social/tags/ASIC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ASIC</span></a> <a href="https://chaos.social/tags/opensource" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opensource</span></a> <a href="https://chaos.social/tags/TinyTapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TinyTapeout</span></a> <a href="https://chaos.social/tags/competition" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>competition</span></a> <a href="https://chaos.social/tags/demoscene" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>demoscene</span></a></p>
IT News<p>A Tiny Tapeout SDR - The Tiny Tapeout custom ASIC project has been around for a while now, and has pass... - <a href="https://hackaday.com/2025/02/11/a-tiny-tapeout-sdr/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/02/11/a-tiny</span><span class="invisible">-tapeout-sdr/</span></a> <a href="https://schleuss.online/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a> <a href="https://schleuss.online/tags/radiohacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>radiohacks</span></a> <a href="https://schleuss.online/tags/parts" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>parts</span></a> <a href="https://schleuss.online/tags/asic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>asic</span></a> <a href="https://schleuss.online/tags/sdr" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sdr</span></a></p>
Matt Venn<p>Don't miss my next open source silicon stream!</p><p>As well as the latest news and events I'll be looking at some new silicon proven designs and look at reading and writing via SPI.</p><p><a href="https://www.youtube.com/watch?v=7zXR7zUJbHE" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=7zXR7zUJbH</span><span class="invisible">E</span></a></p><p><a href="https://chaos.social/tags/opensourcesiliconstream" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opensourcesiliconstream</span></a> <a href="https://chaos.social/tags/siliconproven" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>siliconproven</span></a> <a href="https://chaos.social/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a> <a href="https://chaos.social/tags/asic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>asic</span></a></p>
TheZoq2<p>In the video above, it is acting as an 8 bit shift register with feedback, so in theory, we could build another layer now :D</p><p>I also did a time multiplexed nand gate on <a href="https://mastodon.social/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a> 4, but then I didn't have the shift registers so I could only fit 128 bits of state compared to the 880 (in 2 tiles) here. </p><p>Of course, the tradeoff is time. Me and a friend think we will be able to fit an RV16I on this, but it will run at literal HZ with the ASIC clocked at MHz</p>
TheZoq2<p>What is it you may ask? It is a time multiplexed NAND-gate and a giant shift register. Schematically, it looks like this.</p><p>Every clock cycle, it can read a value from the top of the shift reg to either the left or right operand, and write an input or the current NAND output back into the shift register.</p><p>This is able to emulate any circuit with &lt;880 bits of state+wires, but it won't be fun to program, nor fast.</p><p><a href="https://mastodon.social/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a></p>
TheZoq2<p>Going to stream programming my <a href="https://mastodon.social/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a> submission for a bit over on <a href="https://www.twitch.tv/thezoq2" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">twitch.tv/thezoq2</span><span class="invisible"></span></a>.</p><p>Let's see if we can make a single NAND gate do something useful</p>
sylefeb<p>8/ How do I put data in memory in the first place? <a href="https://mastodon.online/tags/TinyTapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TinyTapeout</span></a> is an amazing project with amazing tools, and the demo board has a RP2040 onboard with micropython on it. So you can use that to initialize ('flash') data in the PSRAM pmod before starting your design.</p><p>urish already made a great tool just for that! <br><a href="https://github.com/TinyTapeout/tinytapeout-flasher" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/TinyTapeout/tinytap</span><span class="invisible">eout-flasher</span></a></p>
sylefeb<p>2/ To me, this is crazy ; when I started on <a href="https://mastodon.online/tags/FPGA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FPGA</span></a> and <a href="https://mastodon.online/tags/Silice" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Silice</span></a> back in 2018 I never *dreamed* of one day having my own design on silicon. Thanks <a href="https://mastodon.online/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a>, <span class="h-card" translate="no"><a href="https://chaos.social/@matthewvenn" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>matthewvenn</span></a></span>, and everyone involved who makes this possible!</p><p><a href="https://tinytapeout.com/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">tinytapeout.com/</span><span class="invisible"></span></a></p>
tnt<p>Testing <a href="https://chaos.social/tags/TinyTapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TinyTapeout</span></a> SAR ADC from Carsten Wulff using <a href="https://chaos.social/tags/Glasgow" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Glasgow</span></a> to capture data.</p>
IT News<p>It’s a Doughnut, In Hardware - Making a physical doughnut is easy enough, given a good dough recipe and a nice ho... - <a href="https://hackaday.com/2025/01/14/its-a-doughnut-in-hardware/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/01/14/its-a-</span><span class="invisible">doughnut-in-hardware/</span></a> <a href="https://schleuss.online/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tinytapeout</span></a> <a href="https://schleuss.online/tags/raytracing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>raytracing</span></a> <a href="https://schleuss.online/tags/hardware" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hardware</span></a> <a href="https://schleuss.online/tags/donut" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>donut</span></a></p>
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