Arduino TFT LCD GUI – Load Bitmap Image

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Preamble

There are two ways to draw bitmap images in Arduino TFT LCD – to draw from SD card, or convert them into byte array. The first is more powerful and works with true color bitmap images; the 2nd approach is more suitable for simple logo and monochrome images, and there is no need for SD capability for this method.

Convert Images to C++ Byte Array

There are a ...

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How to Make a GUI for Arduino TFT LCD

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Preamble

There is no package available which offeres a visual graphic display as well as the coordinate info so that you can reproduce it with TFT graphic library. 4D Systems is the closest you can get, yet it is lousy, proprietary and only available for Windows. After researching long and hard for a GUI Designer for Arduino TFT LCD, finally I think I come up with a reasonable implementation – SVG vector ...

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Securing WDMyCloud SSH

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Secure and Harden Root Access

First thing first, change the wdmycloud default root password.The default password is welc0me. The least you can do is to change this one to something more reasonable. If you were to monitor the incoming request especially to the SSH port 22 alone, you’ll be shocked to see lots of ...

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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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