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OneWire with DS18B20 digital sensor only works on the I2C (20 and 21) pins of my Mega?

I am using an Arduino Mega to read a DS18B20 temperature sensor using the OneWire library in the code below which I got here: #include <OneWire.h> #define DS18S20_Pin 20 //DS18S20 Signal pin ...
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Detection of DS18B20, arduino Mega

I just bought a DS18B20 temperature sensor. I can't detect the device when i run this code : #include <OneWire.h> #include <DallasTemperature.h> // Data wire is plugged into pin 10 on ...
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cc3000 WiFi distrupting DS18b20 temp measurements

I am trying to post temperature measurements from DS18b20 thermal sensors to an online repository using a cc3000 WiFi shield on an Arduino Mega. It works great, once. All the temperatures get read ...