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Today's messenger bag has become the urban pickup truck. Crammed with gadgets, gizmos, and paperwork; just open up the flap and toss in more electronic ephemera. Now it's ...
2 hoursCost: $45.03Very Easy Parts ListA Messenger Bag (FREE)Iowa Thin Film Technologies PowerFilm WeatherPro Series P7.2-75 (Jameco #228161; $39.89)USB 6' Cable w/Female Connector (Jameco #222068; $1.65)78M05 Voltage Regulator ...
Depending upon the style of your messenger bag, you may or may not have to perform any or all of these modifications. Generally, the outside flap of the ...
Preparing the photovoltaic panel has been simplified by the manufacturer-attached solder tabs. These tabs are pre-wired as positive (+) and negative (-) terminals. Either solder directly to these ...
Mount the 78M05 voltage regulator inside your salvaged plastic project box.
The two capacitors must be soldered to the 78M05 voltage regulator. The positive lead of the 0.47mF electrolytic capacitor is soldered directly to the input lead of the ...
Snip off and discard the male connector from the USB cable. Open this newly exposed cable end and separate the four wires: red, black, green, and white. The ...
Connect the photovoltaic panel's positive terminal to the input lead of the 78M05 voltage regulator and the panel's negative terminal to the voltage regulator's ground lead.
Place the photovoltaic panel in direct sunlight and test the voltage readings with a multimeter at these four points: photovoltaic panel terminals (you did this test in Step ...
If everything checks out, assemble the photovoltaic panel, voltage regulator, and wiring inside your messenger bag, hook up a suitable device and charge out there.
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