The MCP9808 High Accuracy I²C Temperature Sensor Breakout Board is a precision digital thermometer offering exceptional accuracy and stability for a wide range of applications. Based on the MCP9808 chip from Microchip, it provides temperature readings with a typical accuracy of ±0.25°C and resolution of 0.0625°C, making it perfect for precise thermal monitoring. Supporting I²C communication with adjustable addresses (0x18–0x1F), up to eight sensors can operate simultaneously on a single bus. With its wide supply voltage range (2.7V–5.5V), this breakout is fully compatible with popular platforms like Arduino, Raspberry Pi, and ESP32. The onboard PCB design ensures easy integration, while its low power draw (200μA) makes it suitable for IoT, smart home, and portable applications requiring continuous temperature sensing. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Features:
High-accuracy digital sensor with ±0.25°C typical precision.
Wide temperature range: -40°C to +125°C for industrial and scientific use.
Adjustable I²C addresses allow up to 8 sensors per bus.
I²C interface ensures simple communication with most microcontrollers.
Low power consumption (200μA typical) suitable for battery-powered systems.
Wide voltage range (2.7V–5.5V) for both 3.3V and 5V logic compatibility.
High resolution output of 0.0625°C for detailed measurement.
Compact and pre-soldered breakout board (21×13mm) for easy installation.
Excellent long-term stability and low drift over time.
Ideal for IoT, environmental sensing, and thermal management applications.
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Applications:
Industrial temperature monitoring in factories and automated systems.
Weather stations for accurate ambient temperature measurement.
Medical devices requiring precision temperature tracking.
IoT and smart home automation (HVAC and environmental control).
Battery management systems for temperature-dependent performance control.
Scientific research and data logging for laboratory use.
Consumer electronics thermal management and monitoring.
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| General Specifications |
| Sensor Type | Digital I²C Temperature Sensor |
| Model | MCP9808 |
| Temperature Range | -40°C to +125°C |
| Accuracy | ±0.25°C typical (±0.5°C max) |
| Resolution | 0.0625°C |
| Interface | I²C (0x18 – 0x1F adjustable) |
| Supply Voltage | 2.7V – 5.5V |
| Operating Current | 200μA (typical) |
| Number of Sensors on I²C Bus | Up to 8 |
| Module Dimensions | 21 × 13 × 2 mm |
| Weight | 0.9 g |
| Compatibility | Arduino, Raspberry Pi, ESP32, STM32, etc. |
| Operating Temperature | -40°C – +125°C |
| Country of Origin | China |
| Shipment Weight | 0.004 kg |
| Shipment Dimensions | 3 × 2 × 1 cm |
Please allow 5% measuring deviation due to manual measurement.
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Package Includes:
1 x MCP9808 High Accuracy I2C Temperature Sensor Breakout Board
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