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  • $15.16
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  • Ships from China.
    Sold by ThermalNest

    Shipped by ThermalNest

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    AJMRTC CJMCU-390 BMP390L Digital Atmospheric Pressure Sensor Module, Precision Barometer Altimeter Sensor, Direct Replacement for BMP388 & BME280, I2C SPI for Arduino Raspberry Pi

    • - CJMCU-390 breakout board built with BMP390L high precision digital barometric pressure sensor, can replace BMP388 and BME280 modules.
    • - Dual I2C and SPI communication interfaces, flexible connection and easy integration with Arduino, ESP32 and Raspberry Pi.
    • - 24-bit pressure measurement, ultra-low noise and high stability, supports accurate altitude calculation up to centimeter level.
    • - Wide measuring range 300-1250hPa, low power consumption design, ideal for battery-powered portable IoT devices.
    • - Onboard pin header, simple wiring, widely used for weather station, drone altimeter, indoor navigation and environmental monitoring projects.
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    AJMRTC CJMCU-390 sensor module adopts BMP390L high-performance digital atmospheric pressure chip. It serves as an upgraded alternative to BMP388 and BME280, delivering superior pressure measurement accuracy, lower noise and better temperature stability. The module supports both I2C and SPI communication protocols, bringing great flexibility for embedded development. It measures barometric pressure from 300hPa to 1250hPa and calculates altitude precisely. With ultra-low power draw, it fits wearable devices, portable weather instruments and battery-powered IoT projects. The pre-soldered pin header simplifies wiring for Arduino, Raspberry Pi and ESP32 controllers. Perfect for building weather stations, drone altitude hold systems, indoor floor positioning and atmospheric data collection prototypes.


    Specifications
    1. Brand: AJMRTC
    2. Model: CJMCU-390
    3. Sensor Chip: BMP390L
    4. Function: Atmospheric Pressure, Altitude & Temperature Measurement
    5. Communication: I2C / SPI
    6. Pressure Range: 300 hPa ~ 1250 hPa
    7. Resolution: 24-bit
    8. Working Voltage: 1.7V ~ 3.6V DC
    9. Feature: Low Noise, Low Power Consumption, Replace BMP388 / BME280
    10. Application: Weather Station, Drone Altimeter, IoT, Arduino, Raspberry Pi Projects


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