[Modify] Turn off the scheduler when reading or writing ds18b20; Chan… #11
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…ge the float input to the pull-up input;
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hello,
Turn off the scheduler when reading or writing ds18b20;（Communication between MCU and DS18B20 is interrupted by the scheduler, which results in communication failure and even returns an incorrect temperature value.）
Change the float input to the pull-up input;(This allows the DS18B20 to be used without an external pull-up resistor.)