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The module is an atmospheric pressure sensor and a thermometer. It is built on the Bosch BMP180 microchip, which replaced the BMP085 chip. Altitude is determined by converting pressure and temperature data - the digital barometric pressure and temperature module is used as an altimeter.
Each BMP180 is factory calibrated. As a result, the calibration coefficients are written to ROM. Has an I2C interface. The measured values of pressure and temperature are transmitted via the serial data bus of the digital barometer-thermometer. Altitude is calculated according to the method described in the documentation of the BMP180 microcircuit. The number of measurements per second can reach 128. Usually the sensor is used in the mode of one measurement per second. This increases accuracy and saves current consumption. The sensor can measure atmospheric pressure with varying accuracy. The required measurement accuracy is communicated to the sensor by a microcontroller. It is important to set the delay correctly in the program before reading the data registers. BMP180 corresponds to the BMP085 chip in terms of data processing software. It can be used in devices based on Arduino, AVR, PIC, ARM, etc.
Key Features:
Model: BMP180
Supply voltage: 5V, 1.8-3.6V
Consumption current:
- in standby mode 0.1 μA
- 0.5 μA at a measurement frequency of 1 Hz
Pressure measurement range: from 300 to 1100 hPa (which corresponds to an altitude of -500 ... 9000 m)
Pressure measurement accuracy: ±0.02 hPa (±0.17 m in height)
Temperature measuring range: 0 ... 65°C
Temperature measurement accuracy: ±2°C
Resolution: 16 bit
Interface: I2C
Maximum interface speed: 3.4 Mbaud
Address: 7 bits on the I2C bus with a value of 0x77
Response time: 7.5ms
Operating temperature range: –40 ... 85°C
Screw hole: 3mm
Dimensions 15 x 14 x 3 mm
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Ответил Вам на почту. В кратце: разница в геометрических размерах, и то что у 024412 есть на борту стабилизатор на 3.3В с возможностью подключать доп. маломощные устройства до 100мА с пина 3.3V.
The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
