Description: This is the latest DS18B20 1-Wire digital temperature sensor from Maxim IC. Reports degrees C with 9 to 12-bit precision, -55C to 125C (+/-0.5C). Each sensor has a unique 64-Bit Serial number etched into it - allows for a huge number of sensors to be used on one data bus. This is a wonderful part that is the corner stone of many data-logging and temperature control projects.
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The footprint design should be outlined drawing 21-0248 [ http://pdfserv.maximintegrated.com/package_dwgs/21-0248.PDF ] after checking the Maxim Integrated’s links associated with the DS18B20.
There’s a tutorial using this temperature sensor with the Electric Imp https://electricimp.com/docs/resources/onewire/.
For a schematic, check here => [ https://forums.electricimp.com/t/1-wire-ds1820-hookup-proper-schematic-not-the-connection-board/3782 ].