DS18B20 Maxim 1-wire temperature sensors
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DS18B20 Maxim 1-wire temperature sensors
- DS18B20 datasheet$1.00 each for chip, $3.00 each for waterproof sensor
one-wire protocol
- [http://code.google.com/p/gfb/source/browse/#svn%2Farduino%2FDS2409%2Fexamples%2Fwalkswitch general on-wire library, includes DS2409 switch examples
- OneWire tutorial another better library
- online thermometer project
- color code for encased DS18B20 sensor red=vcc,black=gnd,yellow=data