Reference: RBD-3343
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The GY-MS5803-01BA is a high-precision digital pressure sensor module designed for measuring liquid, gas, and air pressure, as well as altitude and depth. It is based on the MEAS / TE Connectivity MS5803 series sensor, which integrates a 24-bit ADC, internal temperature compensation, and factory calibration to deliver highly accurate and stable measurements.
The GY-MS5803-01BA is a high-precision digital pressure sensor module designed for measuring liquid, gas, and air pressure, as well as altitude and depth. It is based on the MEAS / TE Connectivity MS5803 series sensor, which integrates a 24-bit ADC, internal temperature compensation, and factory calibration to deliver highly accurate and stable measurements.
This module supports both I2C and SPI communication, making it easy to interface with microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi. The sensor element is protected with a gel-filled stainless-steel cap, allowing it to be used in waterproof and outdoor applications when properly sealed. The module itself is not fully waterproof, but the sensor is suitable for liquid and gas pressure measurement.
The 01BA version is ideal for low-pressure and altitude sensing
High-resolution digital pressure sensor with 24-bit ADC
Supports liquid, gas, and air pressure measurement
Factory calibrated for pressure and temperature
Waterproof sensor element with stainless steel protection
I2C and SPI interface support
Low power consumption for battery-powered projects
Excellent long-term stability and repeatability
Internal oscillator, no external components required
Sensor Model: MS5803-01BA / MS5803-14BA
Pressure Range:
01BA: 0 to 1 bar
Resolution: Up to 0.2 mbar
Output: 24-bit digital pressure and temperature data
Supply Voltage: 1.8V to 3.6V
Operating Temperature: -40°C to +85°C
Interface: I2C and SPI
Conversion Time: Approximately 1 ms
Power Consumption:
Active: ~1 µA
Standby: <0.15 µA
Module Size: Approx. 18.3 × 20.5 mm
Water depth and altitude measurement
Dive computers and underwater devices
Weather stations and environmental monitoring
Industrial pressure monitoring
Handheld altitude meters
IoT sensing applications
Liquid level detection systems
1 × GY-MS5803-01BA Pressure Sensor Module
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The GY-MS5803-01BA is a high-precision digital pressure sensor module designed for measuring liquid, gas, and air pressure, as well as altitude and depth. It is based on the MEAS / TE Connectivity MS5803 series sensor, which integrates a 24-bit ADC, internal temperature compensation, and factory calibration to deliver highly accurate and stable measurements.
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