🌡️ Barometric Pressure Unit – QMP6988 Sensor Module The Barometric Pressure Unit is a specialized sensor module equipped with the QMP6988 barometric pressure sensor, designed to measure atmospheric pressure and estimate altitude with high precision. With a relative accuracy of ±0.039 hPa (≈ ±1 m height difference), it enables reliable monitoring of atmospheric changes. The integrated temperature sensor provides readings with exceptional accuracy down to 0.0002 °C, ensuring precise environmental data collection. This combination of barometric pressure and temperature sensing makes the unit ideal for weather monitoring, altitude tracking, and environmental sensing in both consumer and scientific applications. ⚙️Features ✅ Built‑in temperature & pressure sensors ✅ High precision: Pressure accuracy ±0.039 hPa; Temperature accuracy 0.0002 °C ✅ Low current consumption: 21.4 μA ✅ Development platforms: Arduino, UIFlow (Blockly, Python) ✅ Compact design with 2 × LEGO™ compatible holes 📦 Package Contents 1 × Barometric Pressure Unit (QMP6988) 1 × Grove Cable (5 cm) 🔧 Applications 🏢 Indoor navigation (floor detection) 🧭 Altimeter for outdoor activities 🌦️ Weather forecasting & monitoring 🌍 Environmental sensing & scientific measurements 📊 Technical Specifications Specification Parameters Sensor QMP6988 LDO HT7533 Operating Pressure Range 30 kPa – 110 kPa Relative Pressure Accuracy ±0.039 hPa (≈ ±1 m) Pressure Resolution High precision Temperature Resolution 0.0002 °C Temperature Range –40 °C to +80 °C I2C Address 0x56 Voltage Support 5 V Product Size 24 × 24 × 8.1 mm Package Size 136 × 92 × 13 mm Product Weight 3.3 g Package Weight 6.9 g 🌍 Why Choose Barometric Pressure Unit? Provides precise altitude estimation based on barometric pressure Offers dual sensing (pressure + temperature) for enhanced accuracy Energy‑efficient design with ultra‑low current consumption Compact and versatile for IoT, robotics, and scientific projects
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