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Use this tag for questions about selecting, connecting, using, and debugging sensors.
9
votes
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
vote
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
