Key Features

✅ High Accuracy & Resolution

• Measures barometric pressure (300–1100 hPa) with ±0.12 hPa accuracy.

• Temperature measurement range: -40°C to +85°C (±0.5°C accuracy).

• Supports ultra-high-resolution mode (up to 0.03 hPa).

✅ Altitude Measurement

• Calculates altitude based on pressure changes (relative to sea level).

• Useful for drones, weather balloons, and outdoor navigation systems.

✅ Low Power Consumption

• Ideal for battery-powered devices with optimized power modes.

✅ I2C Interface (5V Tolerant)

• Simple 2-wire communication (SDA & SCL).

• Works with 3.3V and 5V logic (built-in voltage regulator).

✅ Compact & Durable Design

• Small PCB with 5-pin header for easy breadboard/protoboard use.

• Includes onboard pull-up resistors for stable I2C communication.

Technical Specifications

• Operating Voltage: 1.8V–3.6V (Module supports 3.3V–5V via regulator).

• Pressure Range: 300–1100 hPa (hPa/mbar).

• Temperature Range: -40°C to +85°C.

• Interface: I2C (Default address: 0x77).

• Dimensions: 15mm x 13mm.

Applications

• Weather monitoring & forecasting

• Altitude tracking for drones/RC aircraft

• Indoor/outdoor navigation systems

• Smart home automation (ventilation control)

• IoT and wearable devices

Package Includes

• 1x GY-68 BMP180 Pressure Sensor Module (5-pin).

• (Optional) Header pins for soldering.

Compatibility

Works with Arduino, Raspberry Pi, ESP8266, ESP32, STM32, and other microcontrollers. Libraries (Adafruit_BMP085, BMP180) available for quick setup.

Why Choose GY-68 BMP180?

✔ High reliability (Bosch sensor technology). ✔ Plug-and-play with open-source libraries. ✔ Cost-effective for hobbyists and professionals.