Tommy：Refactor: add Category:Projects

2026-08-21T05:17:37Z

Refactor: add [[Category:Projects ]]

←上個修訂		2026年8月21日 (五) 13:17的版本
第107行：		第107行：
	}		}
	</pre>		</pre>

			[[Category:Projects]]

Tommy：已建立頁面，內容為 "== example code ==

 #include "Wire.h" byte range=0x03; float divi=16; int addr = 0x18; void setup()  {    Serial.begin(115200);    Wire.begin();    Wire.beginTr…"

2018-08-23T03:14:00Z

已建立頁面，內容為 "== example code == <pre> #include "Wire.h" byte range=0x03; float divi=16; int addr = 0x18; void setup() { Serial.begin(115200); Wire.begin(); Wire.beginTr…"

新頁面

== example code ==
<pre>
#include "Wire.h"
byte range=0x03;
float divi=16;
int addr = 0x18;
void setup()
{
Serial.begin(115200);
Wire.begin();
Wire.beginTransmission(addr); // address of the accelerometer

// Start I2C Transmission
Wire.beginTransmission(addr);
// Select range selection register
Wire.write(0x0F);
// Set range +/- 2g
Wire.write(0x03);
// Stop I2C Transmission
Wire.endTransmission();

// Start I2C Transmission
Wire.beginTransmission(addr);
// Select bandwidth register
Wire.write(0x10);
// Set bandwidth 7.81 Hz
Wire.write(0x10);
// Stop I2C Transmission
Wire.endTransmission();

// low pass filter
Wire.beginTransmission(addr);
Wire.write(0x20); //register address
Wire.write(0x05); //can be set at"0x05""0x04"......"0x01""0x00", refer to Datashhet on wiki
Wire.endTransmission();

}

void AccelerometerInit()
{
unsigned int data[0];
// Start I2C Transmission
Wire.beginTransmission(addr);
// Select Data Registers (0x02 − 0x07)
Wire.write(0x02);
// Stop I2C Transmission
Wire.endTransmission();

// Request 6 bytes
Wire.requestFrom(addr, 6);
// Read the six bytes
// xAccl lsb, xAccl msb, yAccl lsb, yAccl msb, zAccl lsb, zAccl msb

while(!Wire.available())
;

data[0] = Wire.read();
data[1] = Wire.read();
data[2] = Wire.read();
data[3] = Wire.read();
data[4] = Wire.read();
data[5] = Wire.read();

delay(10);

// Convert the data to 10 bits
float xAccl = ((data[1] * 256.0) + (data[0] & 0xC0)) / 64;
if (xAccl > 511)
{
xAccl -= 1024;
}
float yAccl = ((data[3] * 256.0) + (data[2] & 0xC0)) / 64;
if (yAccl > 511)
{
yAccl -= 1024;
}
float zAccl = ((data[5] * 256.0) + (data[4] & 0xC0)) / 64;
if (zAccl > 511)
{
zAccl -= 1024;
}

// Output data to the serial monitor
Serial.print("X-Axis :");
Serial.print(xAccl);
Serial.print(" ");
Serial.print("Y-Axis :");
Serial.print(yAccl);
Serial.print(" ");
Serial.print("Z-Axis :");
Serial.println(zAccl);
}

void loop()
{
/*
switch(range) //change the data dealing method based on the range u've set
{
case 0x00:divi=16; break;
case 0x01:divi=8; break;
case 0x02:divi=4; break;
case 0x03:divi=2; break;
default: Serial.println("range setting is Wrong,range:from 0to 3.Please check!");while(1);
}
*/
AccelerometerInit();
}
</pre>

Application - BMA250, triaxial acceleration sensor - 修訂紀錄

Tommy：Refactor: add Category:Projects

Tommy：已建立頁面，內容為 "== example code ==
#include "Wire.h" byte range=0x03; float divi=16; int addr = 0x18; void setup() { Serial.begin(115200); Wire.begin(); Wire.beginTr…"

Application - BMA250, triaxial acceleration sensor - 修訂紀錄

Tommy：​Refactor: add Category:Projects

Tommy：​已建立頁面，內容為 "== example code == #include "Wire.h" byte range=0x03; float divi=16; int addr = 0x18; void setup() { Serial.begin(115200); Wire.begin(); Wire.beginTr…"

Tommy：Refactor: add Category:Projects

Tommy：已建立頁面，內容為 "== example code ==
#include "Wire.h" byte range=0x03; float divi=16; int addr = 0x18; void setup() { Serial.begin(115200); Wire.begin(); Wire.beginTr…"