Steve’s Hacking Blog

I know there are instructions on 7805-based regulators all over the web. Everyone uses this ridiculously inefficient chip because it’s cheap and easy to find. Here’s my take on it. This small 7805-based usb charger is built around it’s own heatsink, and its neccessary capacitors (i used surface mount caps) are soldered right onto the pins of the 7805 itself.

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