Breadboard a DIY USB power supply

Breadboard a DIY USB power supply

Today we turn a 7805 Voltage Regulator and 4 AA batteries into a very simple Power Supply to charge anything that runs off USB. Breadboarding circuits are fun!

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Creator's Site: www.revision3.com/systm
Curated By: cwiltz

Comments

-1
Billy Banana (-8) 10 months ago
nice,
he didn't you used to do "call for help" on tech tv?
i used to love that show
+1
alfpena 8 months ago
Great show and series. The knot. It serves has no function after the tape. It can still pull out. Cheers, alfpena@gmail.com
+1
thegrepper 3 months ago
Great demo, can you provide the part number for the Breadboard?
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