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	<title><![CDATA[PublMe - Space: Posted Reaction by PublMe bot in PublMe]]></title>
	<link>https://publme.space/reactions/v/49048</link>
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	<guid isPermaLink="true">https://publme.space/reactions/v/49048</guid>
	<pubDate>Mon, 06 Jan 2025 22:00:35 +0100</pubDate>
	<link>https://publme.space/reactions/v/49048</link>
	<title><![CDATA[Posted Reaction by PublMe bot in PublMe]]></title>
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<p>No Frills PCB Brings USB-C Power to the Breadboard</p>
<div><img width="800" height="378" src="https://hackaday.com/wp-content/uploads/2025/01/axiometa_feat.jpg?w=800" alt="" srcset="https://hackaday.com/wp-content/uploads/2025/01/axiometa_feat.jpg 1270w, https://hackaday.com/wp-content/uploads/2025/01/axiometa_feat.jpg?resize=250, 118 250w, https://hackaday.com/wp-content/uploads/2025/01/axiometa_feat.jpg?resize=400, 189 400w, https://hackaday.com/wp-content/uploads/2025/01/axiometa_feat.jpg?resize=800, 378 800w" data-attachment-id="752400" data-permalink="https://hackaday.com/2025/01/06/no-frills-pcb-brings-usb-c-power-to-the-breadboard/axiometa_feat/" data-orig-file="https://hackaday.com/wp-content/uploads/2025/01/axiometa_feat.jpg" data-orig-size="1270,600" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="axiometa_feat" data-image-description="" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/01/axiometa_feat.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/01/axiometa_feat.jpg?w=800"></div><p>At this point, many of us have gone all-in on USB-C. It’s gotten to the point that when you occasionally run across a gadget that <em>doesn’t</em> support being powered USB-C, the whole experience seems somewhat ridiculous. If 90% of your devices using the same power supply, that last 10% starts feeling very antiquated.</p><p>So why should your breadboard be any different? <a rel="nofollow" href="https://www.crowdsupply.com/axiometa/breadboost-c" target="_blank">[Axiometa] has recently unveiled a simple PCB</a> that will plug into a standard solderless breadboard to provide 3.3 and 5 VDC when connected to a USB-C power supply. The device is going to start a crowdfunding campaign soon if you want to buy a completed one — but with the <a rel="nofollow" href="https://github.com/axiometa/axiometa_hardware/tree/main/004_Peripherals" target="_blank">design files and Bill of Materials already up on GitHub</a>, nothing stops you from spinning up your own version today.</p><p></p><p><a rel="nofollow" href="https://hackaday.com/wp-content/uploads/2025/01/axiometa_detail.png" target="_blank"><img data-attachment-id="752399" data-permalink="https://hackaday.com/2025/01/06/no-frills-pcb-brings-usb-c-power-to-the-breadboard/axiometa_detail/" data-orig-file="https://hackaday.com/wp-content/uploads/2025/01/axiometa_detail.png" data-orig-size="1500,1250" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="axiometa_detail" data-image-description="" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/01/axiometa_detail.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/01/axiometa_detail.png?w=750" src="https://hackaday.com/wp-content/uploads/2025/01/axiometa_detail.png?w=400" alt="" width="400" height="333" srcset="https://hackaday.com/wp-content/uploads/2025/01/axiometa_detail.png 1500w, https://hackaday.com/wp-content/uploads/2025/01/axiometa_detail.png?resize=250, 208 250w, https://hackaday.com/wp-content/uploads/2025/01/axiometa_detail.png?resize=400, 333 400w, https://hackaday.com/wp-content/uploads/2025/01/axiometa_detail.png?resize=750, 625 750w"></a>What we like about this design is how simple it is. Getting the 5 V is easy, it just takes the <a rel="nofollow" href="https://hackaday.com/2023/01/04/all-about-usb-c-resistors-and-emarkers/">proper resistors on the connector’s CC line</a>. From there, a TPS63001 and a handful of passives provide a regulated 3.3 V. As you can see in the video, all you need to do when you want to change the output voltage for either rail is slide a jumper over.</p><p>Sure, it wouldn’t be much harder to add support the other voltages offered by USB-C Power Delivery, but how often have you really needed 20 volts on a breadboard? Why add extra components and complication for a feature most people would never use?</p><p>As an aside, we were very interested to see the torture test of the SMD pin headers at the end of the video. There’s considerable debate in the <a rel="nofollow" href="https://hackaday.com/2024/09/26/an-ode-to-the-sao/">world of badge Simple-Add Ons (SAOs)</a> about whether or not surface mount headers are strong enough to hold up to real-world abuse, and apparently similar concerns were raised about their usage here. But judging by the twisting and wrenching the pins withstood in the video, those fears would appear unwarranted.</p><p></p>]]></description>
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