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For temperature sensors, the DallasTemperature library can be used with this library. To act as a 1-wire device, use the OneWireSlave library. Hardware Requirements OneWire requires a single 4. Then just connect each 1-wire device to the pin and ground. Some 1-wire devices can also connect to power, or get their power from the signal wire. Please refer to the specifications for the 1-wire devices you are using.
Even though you can connect many 1 wire devices to the same pin, if you have a large number, smaller groups each on their own pin can help isolate wiring problems. You can create multiple OneWire objects, one for each pin. The addrArray is an 8 byte array. If no more devices are found, false is returned. The next use of search will begin at the first device.
Usually this is needed before communicating with any device. After a reset, this is needed to choose which device you will use, and then all communication will be with that device, until another reset. This only works if you have a single device, but you can avoid searching and use this to immediatly access your device.
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Maxim Integrated DS18S20 Temperatursensor -55 bis +125°C TO-92 radial bedrahtet