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BMP180 Barometric Pressure & Temperature Sensor Module — I2C
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Rs.150.00
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BMP180 Barometric Pressure & Temperature Sensor Module — I2C
The BMP180 from Bosch is a reliable and affordable barometric pressure and temperature sensor, widely used in Arduino weather station and altitude measurement projects across Pakistan. It communicates over I2C, making it easy to integrate with any microcontroller. While the newer BMP280 offers lower power consumption, the BMP180 remains a popular choice for its proven performance and extensive library support.
Technical Specifications
| Parameter | Value |
|---|---|
| IC | Bosch BMP180 |
| Supply Voltage | 3.3V – 5V DC |
| Interface | I2C |
| I2C Address | 0x77 (fixed) |
| Pressure Range | 300 – 1100 hPa |
| Pressure Accuracy | ±1 hPa |
| Temperature Range | 0°C to +65°C |
| Temperature Accuracy | ±2°C |
| Altitude Resolution | ~1m |
| Sampling Rate | Up to 128 samples/sec |
Pinout
| Pin | Name | Description |
|---|---|---|
| VCC | Power | 3.3V or 5V Supply |
| GND | Ground | Ground |
| SCL | Clock | I2C Clock Line |
| SDA | Data | I2C Data Line |
Key Features
- Measures barometric pressure (300–1100 hPa) and temperature (0–65°C)
- I2C interface — simple 4-wire connection
- ~1m altitude resolution — suitable for weather and navigation projects
- Extensive Arduino library support (Adafruit BMP085/BMP180)
- Compatible with Arduino, ESP32, STM32, NodeMCU, Raspberry Pi
Applications
- DIY weather stations
- Altitude and elevation measurement
- Indoor climate monitoring
- Drone barometric altitude hold
- IoT environmental sensing nodes