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SDS011, ESP8266, BME280, SSD130 and Wemos Relay Shield - Relay ON

ESP8266 and SMOG part three: sensor protection, cloud upload

Język/Language: Polski English Last time we updated our simple SMOG sensor with display (OLED) and added BME 280 to verify the SMOG measurements – the environmental sensor – as we know that humidity over 70% can add up to the SMOG. It’s time now to protect our sensor. Why do we need sensor protection? Smog sensor – it’s laser in particular – has a limited lifetime – datasheet states 8000 hours. Both the fan and the laser diode should not work continuously – because of wear…

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