Posted on Saturday, August 22, 2009 • Category: Test and Measurement
This is a simple, inexpensive and versatile frequency counter with LCD display and some special extra features.The counter contains only three inexpensive ICs (well, add a regulator and three transistors), and operates from 6 - 15V DC at about 25mA. The most expensive single item is the LCD display, which is an industry standard 16 x 2 dot matrix module, which can often be found used or at bargain prices.
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