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| This article describes a stand-alone IC tester for logic ICs (with up to 24 pins) from the well-known 74xx (TTL) and 40xx (CMOS) series. T...
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| If you are after great sound at an affordable price, go out and buy a pair of high-quality headphones. Next, you will need a dedicated hea...
| Have you ever designed a printer circuit board for a project, especially a high-frequency RF one, only to find that when you have built th...
| Transferring a PCB layout from paper on to a circuit board is either costly (photographie method) or cumbersome (using sprays and the like...
| Computers have evolved rapidly over the past few years, and are now used for design work that was long thought to be possible by hand only....
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| The circuit in the diagram enables the speed of an electric PCB drill to be controlled with only one preset. As an aside, the rotary dire...