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MMA8452 module digital three-axis acceleration module sensor module tilt module
Manufacturer
Manufacturer Product Number
MMA8452
Description
MMA8452 module digital three-axis acceleration module
Package Condition
Bulk
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Product Parameters
Working voltage: 3V-5V
Communication interface: I2C interface
12 bit and 8-bit digital outputs
Product Introduction
MMA8452 is a 12 bit resolution sensitivity and low-power digital three-axis acceleration sensor module, with optional full range of ± 2g, ± 4g, and ± 8g. It can be configured with two interrupt pins and can be used for mobile devices to recognize device tilt direction and free fall motion detection. It can communicate and collect data through I2C interface and microcontroller.
Product Functions
| PIN | 引脚 PIN |
功能说明 Function Description |
| 1 | VCC_IN | 电源正极(3.3v-5v) Positive pole of power supply (3.3v-5V) |
| 2 | 3.3V | 电源正极 3.3v Positive pole of power supply 3.3v |
| 3 | GND | 电源负极 Negative pole of power supply |
| 4 | SCL | IIC 总线时钟信号 IIC bus clock signal |
| 5 | SDA | IIC 总线数据信号 IIC bus data signal |
| 6 | SAO | I2C地址选择(0x1C或0x1D) I2C Address Selection (0x1C or 0x1D) |
| 7 | INT2 /INT1 | 外部中断 External interrupt |
I2C Address Setting
The default I2C address of the module is 0x1C. To change the address, connect the SA0 pin to a high level (3.3V) and change the address to 0x1D
Using Arduino IDE version 1.6.5
Upload the routine to the development board and open the serial monitor, baud rate: 9600
View - Read acceleration value - as shown in the figure below
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MMA8452 module digital three-axis acceleration module
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