diyelectromusic<p>Design for a simple Arduino Pro Mini + USB Host prototyping board.</p><p><a href="https://diyelectromusic.com/2025/05/23/arduino-pro-mini-usb-host-proto-pcb-design/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">diyelectromusic.com/2025/05/23</span><span class="invisible">/arduino-pro-mini-usb-host-proto-pcb-design/</span></a></p><p><a href="https://mastodon.social/tags/Arduino" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Arduino</span></a> <a href="https://mastodon.social/tags/USBHost" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>USBHost</span></a></p>