The resistor is 4.7k Ohm. Do you think that 3V power supply straight from the board should also be enough? The ESP board is powered by a 5V 2.4A power supply. One more thing puzzles me and I don't know what that means. When I plug in the DATA cable from the sensors even without power supply in GPIO-...

Hi, I have a problem with connecting DS18B20 sensors. The company has silos with DS18B20 sensors installed according to the manufacturer. At present, the temperature readings (9 sensors per silo) are read from the hand-held reader (photos). There is a 3-core cable with a thickness of 0.75mm2. After ...