Category Archives: Screaming Circuits Blog

EMS provider Screaming Circuits offers tips and thoughts on design and manufacturing

7 Cost Reduction Design Tips For Makers

As a maker, you really need a decent price, with good quality and good service. Contrary to what many people think, you don’t need to look outside of North America for this. You can keep your gaze west of the … Continue reading

Posted in Screaming Circuits Blog | Tagged , , , | Leave a comment

Fab Drawings or Assembly Drawing Standards?

It’s not always possible to have all of the information needed for a successful PCB assembly printed on the blank PC board. When this is the case, we ask for an assembly drawing – like I suggest here. But what … Continue reading

Posted in Screaming Circuits Blog | Tagged , , , , | Comments Off on Fab Drawings or Assembly Drawing Standards?

Accursed Diode Marking

Am I a broken record? Pretty much — especially when it comes to confusing diode marking. For example, everyone knows what the diode symbol looks like, and pretty much everyone knows which side is the anode and which is the … Continue reading

Posted in Screaming Circuits Blog | Tagged , , , , | Comments Off on Accursed Diode Marking

What Route Do You Take?

There are a lot of polar opposites in the “what is my philosophy” world: Mac vs. PC, on shore vs. off shore manufacturing, Ford vs. Chevy, Atmel vs. Microchip (well, maybe not that one so much any more), auto router … Continue reading

Posted in Screaming Circuits Blog | Tagged , , , , | Comments Off on What Route Do You Take?

Building Boards for the Intel Edison

I’ve recently spent some time getting familiar with the Intel Edison. The Edison has a dual-core 500MHZ Intel Atom processor, with built-in Wi-Fi and Bluetooth. It comes with 1GB of RAM, 4GB of eMMC internal storage, and a USB 2.0 … Continue reading

Posted in Screaming Circuits Blog | Tagged , , , | Comments Off on Building Boards for the Intel Edison

Where to Put Panel Tabs

Many small quantity PCBs are ordered individually cut. They come to us as a set of unconnected boards. For small quantities of reasonable size boards, it makes the most sense to order them this way. However, for really small boards, … Continue reading

Posted in Screaming Circuits Blog | Tagged , , | Comments Off on Where to Put Panel Tabs

Top 5 Things to Know When Moving from Hand Assembly to Robotic Assembly

A lot of factors go into the decision to hand build or outsource circuit boards. I hand build my own sometimes, simply because I enjoy the challenge. Of course most of the projects I design are for my own use, … Continue reading

Posted in Screaming Circuits Blog | Tagged , , | Comments Off on Top 5 Things to Know When Moving from Hand Assembly to Robotic Assembly

USB Type-C Connectors

It wasn’t terribly long ago that pretty much every cellphone came with its own custom charging cable. It was a major step forward when they all (except Apple) standardized on the USB micro-B connector. However, there are a number of limitations … Continue reading

Posted in Screaming Circuits Blog | Tagged , , | Comments Off on USB Type-C Connectors

Fiducials and Odd Boards

One of the handy aspects of getting boards assembled at Screaming Circuits is that we don’t require fiducial marks for standard process boards. I would say that we build far more boards without fiducials than with. That’s cool, but there … Continue reading

Posted in Screaming Circuits Blog | Tagged , , | Comments Off on Fiducials and Odd Boards

Electronic Swarms — Overhangs

As I’ve stated many times before, we see many, many different jobs go through our shop. In those jobs, we see some of the absolute newest components and packages; some not yet available to the public; some are so R&D that … Continue reading

Posted in Screaming Circuits Blog | Tagged , , , | Comments Off on Electronic Swarms — Overhangs