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SparkFun Digital Temperature Sensor - TMP102

We all like to know the temperature, right? Well, with the TMP102 Digital Temperature Sensor, SparkFun have made it just about as easy as it gets. Read more...

  • Description

We all like to know the temperature, right? Well, with the TMP102 Digital Temperature Sensor, SparkFun have made it just about as easy as it gets.

Based on the original Digital Temperature Sensor Breakout - TMP102, they've added Qwiic connectors to bring this board into our plug-and-play Qwiic Ecosystem and added an address jumper instead of breaking out the address pin. However, they still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.

The TMP102 itself is an easy-to-use digital temperature sensor from Texas Instruments. While some temperature sensors use an analog voltage to represent the temperature, the TMP102 uses the I2C bus of the Arduino to communicate the temperature.

The TMP102 is capable of reading temperatures to a resolution of 0.0625°C, and is accurate up to 0.5°C. The breakout has built-in 4.7kΩ pull-up resistors for I2C communications and runs from 1.4V to 3.6V. I2C communication uses an open drain signaling, so there is no need to use level shifting.

The SparkFun Qwiic Connect System is an ecosystem of I2C sensors, actuators, shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized connections mean you can’t hook it up wrong.

Get started with the Qwiic TMP102 Digital Temperature Sensor Guide

Features

  • Uses the I2C interface
  • I2C Address: 0x48 by default (Three additional addresses available, as well)
  • 12-bit, 0.0625°C resolution
  • Typical temperature accuracy of ±0.5°C
  • 3.3V sensor
  • Supports up to four TMP102 sensors on the I2C bus at a time
  • 2x Qwiic Connectors

Documents



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