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Screaming Circuits
Screaming Circuits company blog
Interests: Assembly, RoHS, smt, BGA, QFN, pcb, chocolate, prototype, quick-turn
Recent Activity
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Just a quick question here... I'm placing the components for my TinyFPGA based stepper motor controller board (see the prior articles here first, here next, and here last). Specifically, I'm finding places for all of the capacitors. That's where the... Continue reading
Posted 5 days ago at Screaming Circuits
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If you've been following this series, you've likely come to the determination that I've fallen behind, or forgotten about the project. I haven't forgotten, but I have fallen behind. When I last wrote about the project (here), I had examined... Continue reading
Posted Apr 9, 2018 at Screaming Circuits
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As most of you likely know, I was recently interviewed by reporter Bill Thomson from the industry journal, AFI International. It wasn't one of my usual interviews focusing on usage of new component form factors, general design for manufacturing, or... Continue reading
Posted Apr 1, 2018 at Screaming Circuits
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Sports metaphors are incredibly common in the world of business motivation. Probably even more common than military metaphors. We raise the bar, huddle, put on a full court press, try for the home run, and we use the winning sports... Continue reading
Posted Mar 19, 2018 at Screaming Circuits
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Screaming Circuits doesn't stand alone. Rather, we stand with a whole lot of customers, and with our parent company, Milwaukee Electronics. For those that don't know, Milwaukee Electronics is one of the longest established full-service contract manufacturers in the United... Continue reading
Posted Mar 15, 2018 at Screaming Circuits
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If you’re old enough, you might remember the 1967 movie, “How to Succeed in Business Without Really Trying.” Well... you don’t really need to be old enough. The movie’s before my time and I’ve watched it. In the movie, window... Continue reading
Posted Mar 12, 2018 at Screaming Circuits
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It's a new weekend, and I'm back to my obsession with stepper motors. If you haven't read part one of this series yet, go back and read it here. That's not an order; more of a plea. In any case,... Continue reading
Posted Mar 8, 2018 at Screaming Circuits
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Marketing should be easy. It should be just about the easiest thing you can do. Marketing is just getting the word out. Right? That can’t be too difficult. Or can it? Yes, marketing is just getting the word out. The... Continue reading
Posted Mar 5, 2018 at Screaming Circuits
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It's about time for another project. I normally design half a dozen or so small boards per year. It's not my profession. It's just something I do. But I haven't designed or built anything since the "incident" with the photo... Continue reading
Posted Mar 1, 2018 at Screaming Circuits
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It seems like not but just a year ago, I was already forgetting to write a new year's prediction blog post. If that didn't make much sense, then likely neither did my predictions post from a year ago. I started... Continue reading
Posted Dec 31, 2017 at Screaming Circuits
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According to Webster’s Dictionary, a brand is: “a category of products that are all made by a particular company and all have a particular name.” That’s true, but that definition’s simplicity harkens back to the days of identifying cattle on... Continue reading
Posted Dec 27, 2017 at Screaming Circuits
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What is Mosfet day and why should you care? Mosfet day is a holiday, on December 23rd of each year, all about celebrating what we are collectively capable of doing, if we set our differences aside, if we look at... Continue reading
Posted Dec 18, 2017 at Screaming Circuits
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In the past, it was usually pretty easy to find chips in both surface mount and thru-hole packages. Somewhere in the last decade or so, component manufacturers stopped introducing thru-hole versions of their newest chips as standard practice. In many... Continue reading
Posted Dec 13, 2017 at Screaming Circuits
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A good leader should communicate in the language of his or her subordinates. A good leader should be the one to adjust dialect and language. This is well accepted wisdom. The problem is that “should” is a rather meaningless word.... Continue reading
Posted Dec 11, 2017 at Screaming Circuits
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Manufacturing is all about taking data from you and delivering some good working circuit boards. Well, it can be just data - as in full turn-key, or data plus some parts and or PC boards, as in a partial turn-key... Continue reading
Posted Dec 6, 2017 at Screaming Circuits
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We've been asked that question: "Do I Really Need Soldermask and Silkscreen?" many times. And, we've been asked with good reasons. To us, soldermask protects exposed metal, reduce the chance of shorts, and keeps solder where solder needs to be.... Continue reading
Posted Dec 4, 2017 at Screaming Circuits
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Design rules are rules (imagine that) set in your PCB CAD software that will do one or more of two things. A) They set the limits of the capabilities of the PCB fabrication company you'll use to make your blank... Continue reading
Posted Nov 29, 2017 at Screaming Circuits
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As an engineer entering the land of entrepreneurship, you know (over simplification warning) design can be split into two philosophies: hack & patch, or engineer it. I suspect that all but lazy people would prefer the “engineer it” method over... Continue reading
Posted Nov 27, 2017 at Screaming Circuits
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Power distribution, on a PC board, can come in a number of forms. The three most common methods are You can route power and ground. You can use surface layer floods. You can use internal planes. After component positioning, you’ll... Continue reading
Posted Nov 22, 2017 at Screaming Circuits
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As an engineer entrepreneur, you’ve probably heard the phrase “market segmentation.” If you haven’t, you really should have, and, well... now you have. It is one of the more important components of marketing. Like many others, it can seem intentionally... Continue reading
Posted Nov 20, 2017 at Screaming Circuits
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Not long ago, I designed an Arduino compatible clock board. The board has twelve NeoPixel (digital addressed RGB LEDs) arranged around the board to act as hour hands. The minutes and seconds are represented by an external ring of 60... Continue reading
Posted Nov 18, 2017 at Screaming Circuits
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A good portion of a quality build is simply the result of clear information. One of the more important pieces of information we deal with is the Bill of materials, called “the BOM.” The BOM is a list of all... Continue reading
Posted Oct 17, 2017 at Screaming Circuits
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Learn about last minute DFM, and enter to win... In a prototype world, with competition breathing down your neck, you need everything to work, work fast, and work the first time. Sit in on my "Last Minute DFM" class to... Continue reading
Posted Sep 20, 2017 at Screaming Circuits
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I recently ran a batch of my Neo Pixel clock boards through the factory here. It's an Arduino UNO-based design that I made for myself not long ago. It sports an Atmega328P, with bootloader, an FT231X USB chip, and a... Continue reading
Posted Sep 15, 2017 at Screaming Circuits
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The QFN (quad flat pack, no leads) package can no longer be considered exotic. It was when I first wrote about it a decade ago, but not any more. In fact, with the wafer scale BGA, it's one of the... Continue reading
Posted Aug 1, 2017 at Screaming Circuits