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In the diagram above - technically speaking, the 1-Wire bus doesn't require that the sensor is connected to the VCC line, it's enough to connect it to GND and connect the data line to a pull-up resistor. |
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@awhite2000 you're not wrong about this. Those D18B20 support two power modes
For temperature sensors a stable and continuous power supply is recommended. Also the parasite mode requires additional configuration which might not be supported by every board. So I kept it simple with 3-wire |
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This PR will add support for a DS18B20 3-wire temperature sensor.