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Results tagged with Search options user 27871

Use this tag for questions about selecting, connecting, using, and debugging sensors.

9
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2answers
I was using a temperature sensor DS18B20 with Arduino. I've read that you should connect the digital input line and the 5V line with a 4.7kOhm resistor - like in the picture. Can someone explain w …
asked Nov 3 '16 by camillejr
1
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1answer
Firstly, I'm not sure if this is the right SE to ask this question. Please feel free to direct me somewhere else if needed. I am observing large spikes in CO2 and TVOC measurements using the CJMCU-81 …
asked Oct 23 by camillejr