Three axis acceleration sensor module

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1、Module description: Ultra low power consumption: VS= 2.5 V (typical)
Measurement mode is as low as 23uA
The power consumption of 0.1 A in standby mode is proportional to the bandwidth.
User selectable resolution of 10 bit fixed resolution full resolution
Resolution increases with the increase of g range, up to 13 bits (in all the g range to maintain a ratio of 4 mg/LSB). The patent application for the embedded memory management system using FIFO technology, the host processor load to a minimum. Single and double vibration detection
Active / inactive monitoring
The free fall detection power supply voltage range: 2 V to 3.6 V
I / O voltage range: 1.7 V to SPI VS (3 wire and 4 wire) and I2C digital interface flexible interrupt mode
Can map the arrival of an interrupt pin through serial command optional optional range of measurement bandwidth
Wide temperature range (-40 degrees C to +85 degrees C) 2、Function Description: ADXL345 is a small and thin ultra low power 3 axis accelerometer, high resolution (13 bits), the measurement range of + 16g. The digital output data for 16 binary format, through SPI (3 wire or 4 wire) or I2C digital interface to access. ADXL345 is very suitable for mobile device applications. It can be used to measure the static gravity acceleration, but also can measure the dynamic acceleration caused by motion or impact. Its high resolution (3.9mg/LSB), can measure the tilt angle of less than 1 degrees. The device offers a variety of special detection functions. 3、Description of each function module:

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4、Components and PCB diagram before welding:

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5、Physical map after welding:

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ID Value Qty. Package Components Manufacturer Part
1 ADXL345 1 ADXL345z U1
2 10R 1 3-0603 R1
3 0.1uF 1 C-0603 C1
4 10uF 1 C-0603 C2
5 SIP5 1 HDR1X5 P1



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