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Archive for March, 2012

USB Battery Charging – Not An Easy Task

USB devices and ports are now the most ubiquitous item one can related to a computer product other then maybe the VGA connector or Ethernet port.  With that said, it’s now the mainstream bus used to power and recharge most computer devices and gadgets.  However, just because it will charge of USB doesn’t mean it’s all that easy and efficient.  There is a lot more into charging via USB then you’d ever imagine. With some devices you get a fast charge.  With other devices you get a slow charge.  So what’s the deal? In most cases when you see a slow charging device it means the manufacturer made a digital signature that is compatible with the power charger which came with the device.  Any other USB port used to charge the product simply isn’t as efficient…and that’s by design! This post is just an appetizer for all the dirty little secrets related to USB charging devices, to get a little deeper into the details click over to Continue Reading

DIY: USB Slingshot for Angry Birds

Angry Birds is a great game for the first couple weeks.  New levels, new designs, new challenges.  However, the game gets a little stail for the 30+.  Today, we came across something which might re-kindle the fire for the 30-somethings who got burned out after a couple weeks. How about taking the slingshot in the game and making it real life?  This is exactly what this DIY hacker did. Over at MBed, the DIY tutorial for a USB slingshot gives step by step instructions, source code, design schematics and more for you to successfully remake a USB slingshot. Source:  MBed. Continue Reading

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