通常,室外空氣中的CO2含量為400 ppm。在不超過(guò)1000ppm的二氧化碳中,人們對(duì)健康的影響有限或沒有。一旦二氧化碳含量超過(guò)1000ppm,人們就會(huì)感到疲勞,注意力不集中和注意力不集中。
接通板上電源,SGP30需要一段時(shí)間進(jìn)行準(zhǔn)備。屏幕正常顯示二氧化碳水平后,我嘗試對(duì)SGP30稍作喘息,該值將增加,然后回到約400PPM。將董事會(huì)放在會(huì)議室中,兩小時(shí)的會(huì)議結(jié)束后,CO2含量將增加到840PPM。
將酒精或洗發(fā)水放在木板旁邊,隨著蒸發(fā),TVOC含量會(huì)迅速增加。
演示視頻:
我使用其他ESP32 + DISPLAY模塊來(lái)實(shí)現(xiàn)相同的監(jiān)視器。這些監(jiān)視器可以放在家里,小房間,辦公室,溫室或汽車中,以提醒我們及時(shí)更換新鮮空氣,并更加注意空氣質(zhì)量。我可以將監(jiān)視器與許多揮發(fā)性有機(jī)化合物一起放在車間中,以測(cè)量TVOC含量,提醒同事戴上口罩并改善空氣質(zhì)量,以保持健康。
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