IT News<p>Cute CO2 Gauge Tells You When to Crack a Window - [Cyrill] has a good home automation scheme going: there are a number of physical s... - <a href="https://hackaday.com/2024/03/19/cute-co2-gauge-tells-you-when-to-crack-a-window/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2024/03/19/cute-c</span><span class="invisible">o2-gauge-tells-you-when-to-crack-a-window/</span></a> <a href="https://schleuss.online/tags/microcontrollers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>microcontrollers</span></a> <a href="https://schleuss.online/tags/wemoss2mini" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wemoss2mini</span></a> <a href="https://schleuss.online/tags/co2gauge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>co2gauge</span></a> <a href="https://schleuss.online/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a>-s2 <a href="https://schleuss.online/tags/ds3225" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ds3225</span></a> <a href="https://schleuss.online/tags/servo" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>servo</span></a> <a href="https://schleuss.online/tags/co2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>co2</span></a></p>