Category Archives: dip

RIP DIP ARM

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Every month, semiconductor manufacturers across the globe retire old devices. A product that has been superseded, isn’t selling well, or maybe whose application has declined, is removed from the catalogue and ceases to be manufactured. Usually these moments pass unnoticed, just one old device among many. Who is going to remark upon the demise of a chip for a VGA card for example, or a long-ago-left-behind Flash memory chip?

One has come to our attention that is pretty unremarkable, but that could concern some of our readers. NXP have stopped manufacturing the LPC810M021FN8. What on earth is an LPC810M021FN8, you …read more

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Dead-Bug Logic Probe in a Magic Marker

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Logic probes are simple but handy tools that can be had for a couple of bucks. They may not be the sexiest pieces of test gear, nor the most versatile, but they have their place, and building your own logic probe is a great way to understand the tool’s strength and weaknesses.

[Jxnblk]’s take on the logic probe is based on a circuit by [Tony van Roon]. The design hearkens back to a simpler time and is based on components that would have been easy to pick up at any Radio Shack once upon a time. The logic section is …read more

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