Biking is great exercise, but don’t let a healthy body be the only reward for this activity, power up your gadgets. Here is a USB tutorial which incorporates a two port USB hub and switching regulator to generate a 5v charge to any USB device.
There are so many small electronics that can be powered or charged from a USB connection it only makes since that people might want to do this while riding a bike.
The hack isn’t too complicated, but it is a weekend project and will require some soldering skills. The two fundamental components are a Rectifier which changes AC current into DC current and a Voltage Regulator which is a switching regulator to control the amount of volts going to the charged devices.
To get all the details visit the DIY project here.
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