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经典全英版DS18B20 Programmable Resolution 1-Wire Digital Thermometer

消耗积分:1 | 格式:pdf | 大小:255KB | 2014-08-08

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The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile userprogrammable 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 -55°C to +125°C and is accurate to ±0.5°C over the range of -10°C to +85°C。In addition， the DS18B20 can derive power directly from the data line (“parasite power”)， eliminating the need for an external power supply。
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