Arduino with Triple Axis Accelerometer and Gyro Breakout – GY-521 MPU6050

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Preambles

One of the widely used IMU(Inertial Measurement Unit) chip is MPU-6050. It contains gyroscopes combined with accelerometers and universally used in smart phones, video game remotes, quad-copters, etc. It is very inexpensive and easy to setup with all resources online.

Wiring with Arduino Mega 2560

Two excellent tutorials: DIYHacking and here. The Arduino site has some general information. If you need more information about the MPU6050 ...

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Transcompile Arduio TFT GUI Sketch from SVG File

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Preamble

Let machine do the dirty work. To continue what I started in last post, I tried to see if it is possible to parse the SVG file and generate arduino sketch code out of it. The answer is yes. There is a wonderful post and a SVG Optimiser which helps me greatly for this project.

Parse the SVG file with the powerful lxml to generate an element ...

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The APP for WD My Cloud with Firmware Version 4 up [NEW]

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Preamble

After using WD My Cloud with version 3 for about a year for the sake of hacking, I finally give it up and switch to version 4. With Nazar’s prebuilt Appz, I have been successfully installed following packages without much issues.

wdcloud.jpg

Update and Installtion of the Firmware and APPZ

  1. Update the WD my Cloud the usual way.
  2. To proceed with the installation of the ...
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Some Essential Tools and Applications with Raspberrypi Pi 2 & Pi 3

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Applications with PI

There are many, way too many things you can do with a Rapberry Pi. After all, it is a computer, a full fledged linux computer with GPIOs. Following are some essential tools or applications with this credit-card size computer. There are a lot more, and I will post them later. This is done with Arch Linux, it should be applicable to other systems though.

Setting up VNC [virtual ...

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Design Nui for Rapberry PI Touch Display with Kivy [Arch linux]

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Preamble

Kivy (from official site)- Open source Python library for rapid development of applications that make use of innovative natural user interfaces (NUI), such as multi-touch apps.

CLI-GUI-NUI.png

Kivy Installation and Some Forplay

Following is mainly taken from Richardson Git link and modified for Arch Linux.

  1. Installation It takes quite a while for Raspberry PI since it takes quite a few dependencies. As ...

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Compile and Upload Arduino Sketch with PlatformIO in Arch Linux running on PC, Raspberry Pi 2 and 3

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Preamble

PlatformIO is a python tool to build and upload sketches for multiple Hardware Platforms, at the moment of writing these are Arduino/AVR based boards. This is the only tool working with Raspberry Pi running Arch Linux so far, and I have been searching for some tool like this for a long time.

NB: The over-bearing minion is there because every time my little one sees it, she giggles.

platformio-logo.png

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A $100 Tablet with a Full Linux System

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Preamble

Instructions for setting up touch display with Raspberry Pi running Arch linux. This is a brand-new release using DSI display port.

Hardware Assembly and Installation

Follow instruction here to setup, and also Video Instruction here There is a official mechanical drawing in case you needed. Remember to make a full system upgrade to enable the touch screen driver (in my case, both for Arch ...

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The Computational Virtual World and the Real Physical One

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Preamble

It is always fascinating when the virtual reality starts to compete with real world, particularly when one can track user’s locomotion, head movement, gestures, EEG and vital statistics etc. Here is just a little teaser project about virtual reality.

Parts needed

  1. Breadboard
  2. Arduino Uno or other board
  3. Hc-sr04 Ultrasonic Distance Measuring Sensor
  4. connecting wires

The fritzing schematic

ultra_distancefzz_bb.png

The Ultimate Emailing Agent with Mu4e and Emacs

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