Boardoza LM75ADP Temperature Sensor Breakout Board
The Boardoza LM75ADP is a compact digital temperature sensor breakout board designed for precise temperature monitoring and thermal protection in embedded systems. Built around NXP’s LM75ADP IC, this module supports I2C communication, features programmable thresholds, and integrates a thermal watchdog capability. It is ideal for applications requiring accurate temperature sensing in industrial control, consumer electronics, smart devices, or overtemperature protection systems. With its small footprint and high resolution (0.125°C per LSB), the LM75ADP ensures fast and efficient thermal feedback for both data logging and active thermal management systems.
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Key Features
- Wide Temperature Range: Operates across -55°C to +125°C for industrial and embedded use.
- High Measurement Resolution: Outputs data in 0.125°C increments for accurate sensing.
- Standard I2C Interface: Communicates seamlessly with microcontrollers and processors over I2C (default address 0x48).
- Programmable Thresholds: Configurable high/low alarm limits with interrupt via OS pin.
- Thermal Watchdog: Enables autonomous system protection during overheating events.
- Compact & Low-Power: Minimal footprint and power-efficient for mobile and battery-powered projects.
Technical Specifications
- Model
- NXP LM75ADP
- Input Voltage
- 5V
- Functions
- Digital temperature sensor
- Measurement Range
- -55°C to +125°C
- Operating Temperature
- -55°C ~ +125°C
- Interface
- I2C (default address: 0x48)
- Output Resolution
- 0.125°C per bit
- Board Dimensions
- 20mm x 20mm
Board Pinout
Board Pinout
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Power Supply +5V |
| 2 | SCL | I2C Serial Clock Line |
| 3 | SDA | I2C Serial Data Line |
| 4 | OS | Overtemperature Shutdown Output |
| 5 | GND | Ground |
Datasheet
Download (PDF)Support
For technical questions, documentation and issue reports, use the GitHub repository or write to us directly.