MPU9250 Arduino Simple Code - Revision history

Mol: /* Introduction */

2025-01-17T14:21:18Z

Introduction

← Older revision		Revision as of 17:21, 17 January 2025
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	Use i2c_scanner (from Arduino IDE) to find out the address.		Use i2c_scanner (from Arduino IDE) to find out the address.


			The IMUIndentiefier by FastIMU describes:
			<pre>
			=========== IMU Identifier ===========
			IMU Found: MPU6500 On address: 0x68
			This IMU is capable of the following axis: 3A,3G
			This IMU is supported by the FastIMU library.
			======================================
			</pre>
			thought the board was supposed to be 9250.

	== The simple code ==		== The simple code ==

2025-01-17T14:11:29Z

Introduction

← Older revision		Revision as of 17:11, 17 January 2025
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	* Bolder Flight Systems MPU9250 by Brian Taylor		* Bolder Flight Systems MPU9250 by Brian Taylor
	* FaBo 202 9Axis MPU9250 by FaBo		* FaBo 202 9Axis MPU9250 by FaBo
	* FastIMU by LiquidCGS		* FastIMU by LiquidCGS. https://github.com/LiquidCGS/FastIMU
	* I2C-Sensor-Lib iLib by Ingmar Splitt		* I2C-Sensor-Lib iLib by Ingmar Splitt
	* ICM20948_WE by Wolfgang		* ICM20948_WE by Wolfgang

2025-01-17T14:09:48Z

The simple code

← Older revision		Revision as of 17:09, 17 January 2025
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	Error messages		Error messages
	* ''MPU connection failed. Please check your connection with `connection_check` example'' from the Library. Add there following lines (see https://forum.arduino.cc/t/problem-to-connect-to-my-mpu9250/700295/4)		* ''MPU connection failed. Please check your connection with `connection_check` example'' from the Library. Add there following lines (see https://forum.arduino.cc/t/problem-to-connect-to-my-mpu9250/700295/4)
			** If that gives 0x70, the IMU is MPU6500 instead of MPU9250.
	<syntaxhighlight lang="C">		<syntaxhighlight lang="C">
	byte ca = readByte(addrs[i], WHO_AM_I_MPU9250);		byte ca = readByte(addrs[i], WHO_AM_I_MPU9250);
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	if (ca == MPU9250_WHOAMI_DEFAULT_VALUE) {		if (ca == MPU9250_WHOAMI_DEFAULT_VALUE) {
	</syntaxhighlight>		</syntaxhighlight>
	** If it gives 0x70, the IMU is MPU6500 instead of 9250.

	== Code 2 ==		== Code 2 ==

2025-01-17T14:00:58Z

The simple code

← Older revision		Revision as of 17:00, 17 January 2025
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	Error messages		Error messages
	* ''MPU connection failed. Please check your connection with `connection_check` example'' from the Library. Add there following lines		* ''MPU connection failed. Please check your connection with `connection_check` example'' from the Library. Add there following lines (see https://forum.arduino.cc/t/problem-to-connect-to-my-mpu9250/700295/4)
	<syntaxhighlight lang="C">		<syntaxhighlight lang="C">
	byte ca = readByte(addrs[i], WHO_AM_I_MPU9250);		byte ca = readByte(addrs[i], WHO_AM_I_MPU9250);

2025-01-17T14:00:33Z

The simple code

← Older revision		Revision as of 17:00, 17 January 2025
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	* MPU0250 SDA -> A4		* MPU0250 SDA -> A4
	* MPU0250 SCL -> A5		* MPU0250 SCL -> A5
			Because of the 5V and 3.3V mismatch. The analog input works, though.

	<syntaxhighlight lang="C">		<syntaxhighlight lang="C">
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	Error messages		Error messages
	* ''MPU connection failed. Please check your connection with `connection_check` example'' from the Library.		* ''MPU connection failed. Please check your connection with `connection_check` example'' from the Library. Add there following lines
			<syntaxhighlight lang="C">
			byte ca = readByte(addrs[i], WHO_AM_I_MPU9250);

			Serial.print( "The WHO_AM_I byte is: 0x"); // <- added
			Serial.println( (int) ca, HEX); // <- added

			if (ca == MPU9250_WHOAMI_DEFAULT_VALUE) {
			</syntaxhighlight>
			** If it gives 0x70, the IMU is MPU6500 instead of 9250.

	== Code 2 ==		== Code 2 ==

2025-01-17T13:29:38Z

The simple code

← Older revision		Revision as of 16:29, 17 January 2025
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	Error messages		Error messages
	* MPU connection failed. Please check your connection with `connection_check` example.		* ''MPU connection failed. Please check your connection with `connection_check` example'' from the Library.

	== Code 2 ==		== Code 2 ==

2025-01-17T13:18:13Z

The simple code

← Older revision		Revision as of 16:18, 17 January 2025
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	This is very similar to that given in https://github.com/hideakitai/MPU9250		This is very similar to that given in https://github.com/hideakitai/MPU9250

			Connect
			* MPU0250 SDA -> A4
			* MPU0250 SCL -> A5


	<syntaxhighlight lang="C">		<syntaxhighlight lang="C">
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	}		}
	</syntaxhighlight>		</syntaxhighlight>


			Error messages
			* MPU connection failed. Please check your connection with `connection_check` example.

	== Code 2 ==		== Code 2 ==

2025-01-17T13:14:46Z

Introduction

← Older revision		Revision as of 16:14, 17 January 2025
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	* ICM20948_WE by Wolfgang		* ICM20948_WE by Wolfgang
	* MPU9250_asukiaaa by Asuki Kono		* MPU9250_asukiaaa by Asuki Kono

			Use i2c_scanner (from Arduino IDE) to find out the address.

	== The simple code ==		== The simple code ==

2025-01-17T13:12:31Z

Introduction

← Older revision		Revision as of 16:12, 17 January 2025
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	Some MPU9250 libaries for Arduino		Some MPU9250 libaries for Arduino
	* MPU9250 by hideakitai. ~~Outdate~~. https://github.com/hideakitai/MPU9250		* MPU9250 by hideakitai. Discontinued. Not more supported. https://github.com/hideakitai/MPU9250
	* Bolder Flight Systems MPU9250 by Brian Taylor		* Bolder Flight Systems MPU9250 by Brian Taylor
	* FaBo 202 9Axis MPU9250 by FaBo		* FaBo 202 9Axis MPU9250 by FaBo

2025-01-17T13:09:30Z

Introduction

← Older revision		Revision as of 16:09, 17 January 2025
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	Some MPU9250 libaries for Arduino		Some MPU9250 libaries for Arduino
	* MPU9250 by hideakitai		* MPU9250 by hideakitai. Outdate. https://github.com/hideakitai/MPU9250
	* Bolder Flight Systems MPU9250 by Brian Taylor		* Bolder Flight Systems MPU9250 by Brian Taylor
	* FaBo 202 9Axis MPU9250 by FaBo		* FaBo 202 9Axis MPU9250 by FaBo