<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>quacksilver</author><text>It may be also be possible to interact with the PD negotiation protocol directly and pretend to be a device &amp;#x2F; power supply with Luna from croudsupply once released&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.crowdsupply.com&amp;#x2F;great-scott-gadgets&amp;#x2F;luna&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.crowdsupply.com&amp;#x2F;great-scott-gadgets&amp;#x2F;luna&lt;/a&gt;&lt;p&gt;It looks cool but I haven&amp;#x27;t got one to mess with yet</text><parent_chain><item><author>krasin</author><text>I am currently (as a hobby-style activity) learning guts of the USB Power Delivery standard and found an incredible (and fully open-source) tool: USB-C explorer, &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.tindie.com&amp;#x2F;products&amp;#x2F;reclaimerlabs&amp;#x2F;usb-c-explorer&amp;#x2F;&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.tindie.com&amp;#x2F;products&amp;#x2F;reclaimerlabs&amp;#x2F;usb-c-explorer...&lt;/a&gt;&lt;p&gt;Basically, you attach the board to any USB port and it will show capabilities (voltage and amperage) on a tiny OLED display. And since the firmware is open-source, it&amp;#x27;s possible to play around and test a lot of what-ifs: &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;github.com&amp;#x2F;ReclaimerLabs&amp;#x2F;USB-C-Explorer&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;github.com&amp;#x2F;ReclaimerLabs&amp;#x2F;USB-C-Explorer&lt;/a&gt;&lt;p&gt;I am not engaged with the project other than a very happy user.&lt;p&gt;In other news, the latest USB PD spec allows to pass up to 48V@5A=240W power.</text></item></parent_chain></comment><story><title>USB Type-C finally shows up in power tools</title><url>https://www.xda-developers.com/usb-type-c-power-tools/</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>GauntletWizard</author><text>That&amp;#x27;s an awesome device, and I want one, but it also passed into my head: Shouldn&amp;#x27;t I be able to get this information from my laptop? I would expect that there&amp;#x27;s some way to probe the USB-C chip to find out what power mode it is in and what power modes it could select. I&amp;#x27;d love to see that as a tutorial.</text><parent_chain><item><author>krasin</author><text>I am currently (as a hobby-style activity) learning guts of the USB Power Delivery standard and found an incredible (and fully open-source) tool: USB-C explorer, &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.tindie.com&amp;#x2F;products&amp;#x2F;reclaimerlabs&amp;#x2F;usb-c-explorer&amp;#x2F;&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.tindie.com&amp;#x2F;products&amp;#x2F;reclaimerlabs&amp;#x2F;usb-c-explorer...&lt;/a&gt;&lt;p&gt;Basically, you attach the board to any USB port and it will show capabilities (voltage and amperage) on a tiny OLED display. And since the firmware is open-source, it&amp;#x27;s possible to play around and test a lot of what-ifs: &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;github.com&amp;#x2F;ReclaimerLabs&amp;#x2F;USB-C-Explorer&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;github.com&amp;#x2F;ReclaimerLabs&amp;#x2F;USB-C-Explorer&lt;/a&gt;&lt;p&gt;I am not engaged with the project other than a very happy user.&lt;p&gt;In other news, the latest USB PD spec allows to pass up to 48V@5A=240W power.</text></item></parent_chain></comment><story><title>USB Type-C finally shows up in power tools</title><url>https://www.xda-developers.com/usb-type-c-power-tools/</url></story>