Tag Archive: Humidity

Day 23: MQTT Climate

Author: fk Friday December 23rd, 2016 27 Comments

Behind the door for today is a battery clip for a 9 V block, with which you can make the entire system moveable. An alternative to a battery is a power bank (a rechargeable battery pack, normally for mobile phones)….
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Calendar 2016, Days-16, NanoESP

Humidity, MQTT, NTC, Phototransistor

Day 18: Weather monitoring

Author: fk Sunday December 18th, 2016 87 Comments

Behind today’s door is a very special component, namely a humidity sensor. Together with the phototransistor and the NTC, it creates a weather station for at-home use. The following layout is necessary for this purpose: Today’s layout is a bit…
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Calendar 2016, Days-16, NanoESP

Humidity, NTC, Phototransistor, Webserver