<p><span class="h-card" translate="no"><a href="https://mastodon.social/@wingo" class="u-url mention">@<span>wingo</span></a></span> the sensors differ a bit between various models, but basically it's power hungry because NDIR requires a lightbulb (incandescent. yes really. in the SCD30 thats what they use) and thermoacostic requires a heater</p><p>having eink, low power wifi/zigbee helps but your floor is set by the co2 sensor</p><p>for particles, i think it uses a tiny fan</p>
