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Overview This is a very simple little tool that I've nonetheless found incredibly useful for breadboard prototyping! It's a little stick with two pins, spaced the standard 0.1"/2.54mm, marked + and -…
Read More…This is a very simple little tool that I've nonetheless found incredibly useful for breadboard prototyping! It's a little stick with two pins, spaced the standard 0.1"/2.54mm, marked + and -, with LEDs in opposite polarities. When current flows from + to -, the green LED lights up. When it flows the other way, the red LED lights up. Nifty!
Handy for all kinds of quick-and-dirty testing! I use these to double-check that I've hooked up the power rails on our breadboards correctly, as indicators for microcontroller projects (no need to worry about adding a resistor!), to test reverse voltage protection circuits, and more.
It can take up to around 12V in either direction (but will light up with as low as 3.3V).
Now also available in a double-sided version!
Quantity | Price |
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1 | $2.25 |
2-4 | $2.00 |
5+ | $1.75 |
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Ronn | Nov. 25, 2013
Thomas | Oct. 31, 2013
Michael | Oct. 15, 2013
Alexander | Oct. 14, 2013
Steve | Sept. 22, 2013
Michael | Aug. 6, 2013
Bethesda, MD, United States of America
Ships from United States of America.
12 Reviews | 78 Orders
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