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Android 4.0: Disappointing HTML5 Canvas Performance
blackcj2
66 views
The latest version of Android actually renders the HTML5 canvas element worse than the older versions. Hopefully this will be fixed soon. Everything else about the operatin...
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AIR 3 Native Extension Demo - Detecting Pen Tablet Sensitivity
blackcj2
115 views
Use your pen tablet along with Adobe AIR to create brushes that react to the pressure you apply. This demo uses a native extension written in c++ to detect pressure and is ...
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Soldering 7-Color LEDs in Parallel
blackcj2
106 views
Wiring 7-Color LEDs for use in an LED hula hoop.
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Sound Activated LED with an Electret Microphone
blackcj2
623 views
This circuit uses three NPN transistors to amplify the electronic signal of an electret microphone to light up an LED. My goal was to do this in the simplest circuit possib...
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Simple NPN Transistor IC (2N2222)
blackcj2
1,342 views
This video demonstrates how to use a transistor to amplify electronic signal. By touching the two wires the LED lights up using the current running through your body.
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LiFePo4 Rechargeable Battery for an LED Hula Hoop
blackcj2
92 views
Description and demonstration of the LifePO4 battery used in the 7-Color LED hula hoop. Swap the battery out on the fly and charge inside the hoop while it's off.
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7-Color LED Hula Hoop
blackcj2
584 views
This hoop has 24 color changing LEDs. Select from one of 7 colors in various combinations or select the color changing mode. Two tactile switches allow for independent cont...
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Using the Keyboard on the PlayBook
blackcj2
1,089 views
Brief video demo of the keyboard on the BlackBerry PlayBook in both landscape and portrait mode.
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Games on the BlackBerry PlayBook
blackcj2
650 views
Demo of three free games for the PlayBook.
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The BlackBerry PlayBook Video Overview
blackcj2
253 views
High level overview of the common functionality within the BlackBerry PlayBook tablet device.
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