MPU6050 Interfacing with Raspberry Pi using ‘C’

Introduction:

  • MPU6050 sensor module is an integrated 6-axis Motion tracking device.
  • It has a 3-axis Gyroscope, 3-axis Accelerometer, Digital Motion Processor and a Temperature sensor, all in a single IC.
  • It can accept inputs from other sensors like 3-axis magnetometer or pressure sensor using its Auxiliary I2C bus.
  • If external 3-axis magnetometer is connected, it can provide complete 9-axis Motion Fusion output.
  • A microcontroller can communicate with this module using I2C communication protocol. Various parameters can be found by reading values from addresses of certain registers using I2C communication.
  • Gyroscope and accelerometer reading along X, Y and Z axes are available in 2’s complement form.
  • Gyroscope readings are in degrees per second (dps) unit; Accelerometer readings are in g unit.

For more information about MPU6050 Sensor Module and how to use it, refer the topic MPU6050 Sensor Module in the sensors and modules section.

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Adding USB Attached GPS to your Raspberry Pi Projects

This quick learning guide will show you everything you need to do to add position tracking to your Pi project using the open source GPS daemon ‘gpsd’ and an inexpensive USB to TTL adapter cable or via direct-wiring to the built-in Pi UART pins

Please note this guide installs a system service called gpsd which you can then query for data. You may be better off just using pure python to read data from the GPS, its less complex in many cases

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7-segment Display Modules and the Raspberry Pi

7 segment displays are a well established way of electronically displaying numbers and a small set of letters. They’ve been around for as long as I’ve been playing with electronics but were a pain to wire up given the number of LEDs involved.

Luckily things are a lot easier now that they are available on pre-made modules that uses an SPI interface. This is easy to setup and use on the Raspberry so for about £3 you can add a strip of 8 7 segment digits.

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Detecting Colors using the TCS3200 Color Sensor

In this project we are going to Detect the Colors using TCS3200 Color Sensor Module with Raspberry Pi. Here we used Python code for Raspberry Pi to detect the colors using TCS3200 sensor. To demonstrate the color detection we have used a RGB LED, this RGB LED will glow in the same color, of which the object is presented near the sensor. Currently we have programmed Raspberry Pi to detect only Red, Green and blue colors. But you can program it to detect any color after getting the RGB values, as every color is made up of these RGB components. Check the demo Video at the end.Read More

Interfacing the Neo-6M GPS Module & Raspberry Pi with LCD Readout

One of the coolest embedded platforms like the Raspberry Pi has given makers and DIYers the ability to get location data easily using GPS module and thus build things that rely on location. With the amount of power packed by the Raspberry Pi, it certainly will be quite awesome to build GPS based projects with the same cheap GPS modules and that is the focus of this post. Today in this project we will Interface GPS module with Raspberry Pi 3.

The goal of this project is to collect location data (longitude and latitude) via UART from a GPS module and display them display on a 16×2 LCD, so if you are not familiar with the way the 16×2 LCD works with the Raspberry Pi, this is another great opportunity to learn.Read More

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