Programmable Resolution 1-Wire Digital Thermometer
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Programmable Resolution 1-Wire Digital Thermometer, 3-pin 1-Wire Programmable Resolution Digital Thermometer The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-Wire bus that by definition requires only one data line (and ground) for communication with a central microprocessor. It has an operating temperature range of -55C to +125C and is accurate to A 0.5C over the range of -10C to +85C. In addition, the DS18B20 can derive power directly from the data line ("parasite power"), eliminating the need for an external power supply. Features Unique 1-wire interface requires only one port pin for communication Packaging: TO-92 Voltage: 3V to 5.5V