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Alvin Jin
About the author

Scratch
final-results
January 17, 2014 0 Comments

Create a Fantasy Warrior Painting From Scratch

Let’s face it – everyone likes fantasy. And girls. And fantasy girls. Not everyone can draw them though. Follow this […]

Scratch
my first image
January 17, 2014 0 Comments

Building a Visual Robot Model with URDF from Scratch

In this tutorial, we’re going to build a visual model of a robot that vaguely looks like R2D2. In later […]

Scratch
January 17, 2014 0 Comments

Scratch 2.0 Prototype Now Available

For a limited time only, according to the Scratch Team, a Scratch 2.0 prototype is available as an alpha for […]

Scratch
11
January 17, 2014 0 Comments

Custom Blocks in Scratch 2.0

Got a demo of custom blocks at Scratch Day Philadelphia. Here’s a quick script that shows a custom block I […]

Scratch
scratch2-clone
January 17, 2014 0 Comments

Clone block in Scratch 2.0

Cloning. What an abstract idea. One of the new features in Scratch 2.0 is the ability to clone an object. […]

Scratch
10
January 17, 2014 0 Comments

Creating Interactive Madlibs with Scratch

Scratch provides the perfect environment to create and share interactive stories. I’ll show you how to build an interactive story, […]

Scratch
9
January 17, 2014 0 Comments

Scratch 2.0 Offline

Got a server maintenance message when I visited the Scratch 2.0 website, and I had two immediate reactions. First, Scratch […]

Scratch
January 17, 2014 0 Comments

Quick Start Tutorial: Scratch Programming

Scratch is a free graphical, drag and drop style, programming language for elementary  & middle school  kids, ages 7 -12.  It […]

Hardware Knowledge
Diode symbol
January 17, 2014 0 Comments

Schematic Symbols (Part 2)

Diodes Basic diodes are usually represented with a triangle pressed up against a line. Diodes are also polarized, so each […]

Hardware Knowledge
Resistor schematic symbols
January 17, 2014 0 Comments

Schematic Symbols (Part 1)

Are you ready for a barrage of circuit components? Here are some of the standardized, basic schematic symbols for various […]

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