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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Ways to control Arduino – Javascript, Python and Internet

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Preamble

There is always different ways to achieve the same goal. This is very true in programming, so is in life. Most times we like to think there is only one way – our way.

set up Arch Linux system for node and johnny-five etc.

This is a good tutorial for this subject and Arduino Experimenter’s Guide for NodeJS.

  1. install Arduino IDE for your system
  2. upload ...

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On Arduino Interrupts

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Arduino Interrupts and some of its Usage

Background and rational

In the process of developing a device, we come across a situation that we needed a responsive way to abort the device; However Arduino will be stuck in the middle of loop and only response after that, esp when the only communication to Arduino is via a serial port. We have adapted a very wasteful way of putting the whole ...

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Raspberry Pi2 and Pi3 -Installing Arch Linux and Raspbian

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An inexpensive credit-card-size computer

From official site: “The Raspberry Pi is a credit-card sized computer that plugs into your TV and a keyboard. It’s a capable little PC which can be used for many of the things that your desktop PC does, like spreadsheets, word-processing and games. It also plays high-definition video.”

Pi2ModB1GB.jpg

IMG_4655.JPG

Arch Linux installation on Raspberry Pi

UPDATE: ...

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Ubuntu Server Installation and Others

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Ubuntu Server Installation and Set Up

Following are some quite notes about intallation of Ubuntu Server.

  1. install with 14.1 server CD Download ISO image from official site: http://www.ubuntu.com/download/server Burn on a disk and install following on-screen instructions.
  2. Install Packages There are not too many packages needed for the server package, but update,upgrade and istall whatever you need.
  3. ClamAV Antivirus -preinstalled already

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