Ds18b20 1 Wire Digital Temperature Sensor

The connections are fairly simple.

Ds18b20 1 wire digital temperature sensor.

You can use one sensor or multiple sensors on the same data line because you can identify each sensor by its unique address. The ds18b20 temperature sensor is a one wire digital sensor. Let s hook the ds18b20 up to the arduino. The ds18b20 provides 9 to 12 bit configurable temperature readings over a 1 wire interface so that only one wire and ground needs to be connected from a central microprocessor usable with 3 0 5 5v systems.

Enough of the theory let s go practical. Handy for when you need to measure something far away or in wet conditions. Ds18b20 is 1 wire digital temperature sensor from maxim ic. The ds18b20 communicates over a 1 wire bus that by definition requires only one data line and ground for communication with a central microprocessor.

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. Reports degrees c with 9 to 12 bit precision 55c to 125c 0 5c. This is a wonderful part. Adafruit industries unique fun diy electronics and kits waterproof ds18b20 digital temperature sensor extras id.

381 this is a pre wired and waterproofed with heat shrink version of the ds18b20 sensor. They work great with any microcontroller using a single digital pin and you can even connect multiple. 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.

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. To use this sensor with the arduino you need the onewire and the dallastemperature libraries. Wiring ds18b20 temperature sensor to arduino. 374 these 1 wire digital temperature sensors are fairly precise 0 5 c over much of the range and can give up to 12 bits of precision from the onboard digital to analog converter.

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. While the sensor is good up to 125 c the cable is jacketed in pvc so we suggest keeping it under 100 deg c. This is the latest ds18b20 1 wire digital temperature sensor from maxim ic. Gnd is a ground pin.

Dq is 1 wire data bus should be connected to a digital pin on microcontroller.