GY-68 BMP180 Digital Barometric Pressure Sensor Module
0.00 EGP
A high-precision, low-power digital sensor that measures both atmospheric pressure and temperature. Perfect for building Arduino weather stations, drones, and altimeters with an altitude accuracy of up to 17cm. Easy 4-pin I2C connection.
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Product Overview
The BMP180 (GY-68) is the industry standard for measuring barometric pressure and altitude. It is the upgraded successor to the BMP085, offering higher stability and lower noise. Whether you are tracking weather patterns or need a precise altitude hold for your drone, this module provides factory-calibrated data via a simple I2C interface.
Arduino Wiring & Connections

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VCC -> Arduino 3.3V
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GND -> Arduino GND
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SCL -> Arduino A5 (Uno) / Pin 21 (Mega)
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SDA -> Arduino A4 (Uno) / Pin 20 (Mega)
Technical Specifications
| Feature | Specification |
| Pressure Range | 300 to 1100 hPa (9000m to -500m above sea level) |
| Supply Voltage | 1.8V to 3.6V (Safe with Arduino 3.3V Pin) |
| Interface | I2C (Standard & Fast mode) |
| Current Consumption | Ultra-low (5 $\mu$A at 1 sample/sec) |
| Temperature Accuracy | $\pm 1.0°C$ |
| Resolution | 0.06 hPa (0.5m) in ultra-low power mode |
Key Features
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Dual Function: Measures both ambient temperature and barometric pressure.
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Altitude Calculation: Can be used to calculate highly accurate altitude readings.
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Factory Calibrated: No complex calibration required by the user.
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Tiny Footprint: Ideal for compact IoT devices and wearable tech.
Downloads & Resources

Shipping & Delivery Policy
At Protronix, we ensure your orders are delivered safely and efficiently through multiple reliable channels tailored to your needs.
Our Delivery Methods
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Egypt Post: Standard shipping to all governorates across Egypt via the National Postal Authority.
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Uber Scooter: Fast, same-day express delivery for local orders within supported urban areas.
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Store Pickup: You can skip the shipping fees by collecting your order directly from our main branch.




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