Know ArduBlock Arduino

What is ArduBlock?? is "A Graphical Programming Language for Arduino" which aims to make the Arduino is easy, for a non-programmer (student) to learn about programming.

Dual Regulated Power Supply

Dual Regulated Power Supply. There are 3 output that are (+) voltage, (0)(GND) Grounding, and (-) voltage. The current output max about 300-500 mA.