• Description

MCP9808 High Accuracy I2C Temperature Sensor Breakout Board

This I2C digital temperature sensor is one of the more accurate/precise we've ever seen, with a typical accuracy of ±0.25°C over the sensor's -40°C to +125°C range and precision of +0.0625°C. They work great with any microcontroller using standard i2c. There are 3 address pins so you can connect up to 8 to a single I2C bus without address collisions. Best of all, a wide voltage range makes is usable with 2.7V to 5.5V logic.

Quick Spec

• Sensing Temperature: -40ºC ~ 125ºC
• Accuracy: 0.25ºC typical
• Voltage - Supply: 2.7V ~ 5.5V
• Operating Temperature: -40ºC ~ 125ºC
• Uses any I2C address from 0x18 thru 0x1F

Arduino Example

Connect Vdd to the power supply, 3V or 5V is fine. Use the same voltage that the microcontroller logic is based off of. For most Arduinos, that is 5V. Connect GND to common power/data ground

Connect the SCL pin to the I2C clock SCL pin on your Arduino. On an UNO & '328 based Arduino, this is also known as A5, on a Mega it is also known as digital 21 and on a Leonardo/Micro, digital 3

Connect the SDA pin to the I2C data SDA pin on your Arduino. On an UNO & '328 based Arduino, this is also known as A4, on a Mega it is also known as digital 20 and on a Leonardo/Micro, digital 2

More information download PDF below

Resources

• Datasheet
• Product Page
• Adafruit - How to use the mode + code examples
• Arduino Libraries 

Shipping List

• 1 x MCP9808 High Accuracy I2C Temperature Sensor Breakout

MCP9808 High Accuracy I2C Temperature Sensor Breakout

• Brand: Adafruit
• Product Code: AF1782
• Product Status : Active

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• R112.00 (Inc Tax: R128.80)