[Smells of Bikes] wanted to add laser etching to the list of tricks his home CNC setup is capable of. He has a diode which will work for the task, but he needed a driver that could be interfaced with ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Chip-On-Board (COB) Technology solders three very fine LED chips—one red, one blue, and one green ...

Prompted by a comment left on one of Bob Pease’s videos, Paul Rako explores what makes the LM334 tick through his own experimentation. 1. Bob Pease used an LM334 current source to servo the current ...

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