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SparkFun Digital Temperature Sensor Breakout - AS6212 (Qwiic)

This SparkFun Qwiic Digital Temperature Sensor Breakout provides a combination of high temperature accuracy with excellent low power consumption using the AS6212 digital temperature sensor from ams AG. The sensor measures temperature data up to ±0.2°C; accuracy over a wide range (-40°C; to +125°C;) and consumes an average of 6µA in normal operation (0.1µA in standby). The AS6212 communicates via I2C and has eight available I2C addresses selected by a pair of solder jumpers on the board. The breakout routes the I2C interface to a pair of Qwiic connectors to work with our plug-and-play Qwiic Ecosystem but also routes the bus and other pins to a standard 0.1"-spaced PTH header for users who prefer a soldered connection.

The AS6212 features an alert output to trigger when recorded temperature data crosses user-designated thresholds. The low and high values make it perfect to monitor systems that must remain in a specific temperature range. Along with the alert pin, the AS6212's sleep mode works with a single-shot temperature measurement to wake the device, take a single reading and then return to sleep mode for extreme low-power/battery-powered temperature measurement projects.


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.


  • Communicates via I2C (Qwiic enabled)
  • Eight selectable I2C addresses (0x48 Default)
  • Operating Temperature Range: -10°C to 125°C
  • High Temperature Accuracy:
    • ±0.2°C from -10°C to 65°C
    • ±0.3°C from -40°C to -10°C and 65°C to 85°C
    • ±0.5°C from 85°C to 125°C
  • Operating Voltage Range: 1.7V - 3.6V
  • Low Power Consumption
    • 6µA typical
    • 0.1µA standby

SparkFun Digital Temperature Sensor Breakout - AS6212 (Qwiic) Product Help and Resources

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Digital Temperature Sensor Breakout - AS6212 (Qwiic) Hookup Guide

September 9, 2021

Get started measuring highly accurate temperatures at extremely low power with the AS6212 temperature sensor on the SparkFun Digital Temperature Sensor Breakout - AS6212 (Qwiic).

Core Skill: Programming

If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.

2 Programming

Skill Level: Rookie - You will need a better fundamental understand of what code is, and how it works. You will be using beginner-level software and development tools like Arduino. You will be dealing directly with code, but numerous examples and libraries are available. Sensors or shields will communicate with serial or TTL.
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Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

2 Electrical Prototyping

Skill Level: Rookie - You may be required to know a bit more about the component, such as orientation, or how to hook it up, in addition to power requirements. You will need to understand polarized components.
See all skill levels


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