Olimex<p>New open source hardware board UEXT-3TO5V allow 5V devices and sensors to be powered and accessed by 3.3V UEXT boards <a href="https://olimex.wordpress.com/2025/06/10/new-open-source-hardware-board-uext-3-to-5v-converter-allows-5v-devices-and-sensors-to-be-connected-to-uext-boards-with-3-3v-levels/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">olimex.wordpress.com/2025/06/1</span><span class="invisible">0/new-open-source-hardware-board-uext-3-to-5v-converter-allows-5v-devices-and-sensors-to-be-connected-to-uext-boards-with-3-3v-levels/</span></a> <a href="https://mastodon.social/tags/uext" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>uext</span></a> <a href="https://mastodon.social/tags/oshw" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oshw</span></a> <a href="https://mastodon.social/tags/sensor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sensor</span></a> <a href="https://mastodon.social/tags/spi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spi</span></a> <a href="https://mastodon.social/tags/i2c" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>i2c</span></a> <a href="https://mastodon.social/tags/uart" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>uart</span></a></p>