November 17, 2018


The InvenSense MPU sensor contains a MEMS accelerometer and a MEMS gyro in a single chip. It is very .. or RS-MPUA. pdf. 26 Jun Jump to: navigation, search. File; File history; File usage. PS-MPUAv pdf (0 × 0 pixels, file size: MB, MIME type: application/. PS-MPUAv PDF icon PS-MPUAv We have moved to I²C is a trademark of NXP Semiconductors.

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A pointer to the data to write. The FIFO buffer is used together with the interrupt signal. Reading the raw values for the accelerometer and gyro is easy.

The number of bytes to write. The pull-up resistors of the I2C -bus are 4k7.

MPU-6050 Accelerometer + Gyro

A little more complicated is 600a0 ability to control a second I2C -device. Board Setup and Configuration. And the buffer can be read by the Arduino. The header is on the right with the pins in this order: The raw values changes pe lot due to a number of reasons. Related Hardware and Initiatives. Below are the raw values of the sensor that I measured, so you can compare them with your own raw values.


That I2C address is however never used! This should make it possible to have many MPU sensors in a project. A data visualiser that makes life easier when starting out.

Arduino Playground – MPU

Suppose all AD0 lines are default high 3. If it is connected to ground, the address is 0x The ,pu of those pull-up resistors are sometimes 10k and sometimes 2k2. There seems to be also a level shifter on the board for the I2C -bus.

It can control, for example, a magnetometer. Even more than 10 sensor should be possible. Update March 25 This sensor board has a voltage regulator.


For now, it is just a simple and basic sketch to get the MPU working. If the number of pins is a problem, then a shift register or a port expander can be used. There are a number of “breakout boards” or “sensor boards” with the MPU It is very accurate, as it contains bits analog to digital conversion hardware for each channel.


The DMP is even able to do calculations with the sensor values of another chip, for example a magnetometer connected to the second sub – I2C -bus.

The sensor uses the I2C -bus to interface with the Arduino. The raw values raises questions in the forums, since the raw values might seem unstable. In that case a voltage divider or level shifter for 3. The 2k2 is rather low. The sensor values can be programmed to be placed in the FIFO buffer.

Start address, use a define for the register. It is preferred to apply 5V to the VCC pin of the sensor board. The pull-up resistors are sometimes 10k and sometimes 4k7.

Because of the voltage regulator, connect 5V to the VCC mp this sensor board. A sensor board with the MPU and a magnetometer and barometer.

If they are 10k, two extra pull-up resistors of 10k to the 3.