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January 20, 2009 by robert Leave a Comment

U401 and Solderless Prototype Boards

If you use solderless prototype boards (solderless breadboards) for circuit testing, the USBmicro U401 (#CGU401) combined with a 30-pin header (#CGPINHEAD30) is a great way for you to connect a test circuit built on a solderless prototype board to your PC.

The one-tenth inch on center pin spacing of the U401 lends itself well to fit to a solderless prototype board that has the same contact spacing on its rows of pins:

Example of using a U401 with a prototype board.

All it takes is a little bit of soldering to attach the 30 pin header to the edge of the U401. From CircuitGizmos you can obtain both the U401 and the 30 pin header:

CircuitGizmos: #CGU401

CircuitGizmos: #CGPINHEAD30

Soldered in place, the U401 will plug into the solderless prototype board from positions 1 to 30, as shown below:

U401 inserted into a solderless prototype board and providing 5V from the USB connection to power three LEDs.

Note in this picture that pin 7 of the U401 is +5V from the USB connection and that pin 9 is ground. I have made the connections from these pins to the power and ground bus of the prototype board. The LEDs in this picture are just hooked up to power and ground to light constantly.

Now PC control of circuits in a solderless prototype board is as easy as this!

Filed Under: Uncategorized Tagged With: LED, protoboard, solderless, u401

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