Absolute Beginner's Guide To Getting Started With Raspberry Pi

Steve Branam

The Raspberry Pi is a great little computer for learning programming in general, as well as embedded systems. It runs a version of the Linux OS (Operating System) called Raspberry Pi OS (formerly called Raspbian, so you'll see that name a lot,...


Make Hardware Great Again

Jeff Brower

By now you're aware of the collective angst in the US about 5G. Why is the US not a leader in 5G ? Could that also happen -- indeed, is it happening -- in AI ? If we lead in other areas, why not 5G ? What makes it so hard ? This...


Tolerance Analysis

Jason Sachs

Today we’re going to talk about tolerance analysis. This is a topic that I have danced around in several previous articles, but never really touched upon in its own right. The closest I’ve come is Margin Call, where I discussed...


So You Want To Be An Embedded Systems Developer

Steve Branam

Then listen now to what I say. Just get an electric guitar and take some time and learn how to play. Oh, wait, that's a song by the Byrds. But the strategy is the same. Get some information and tools and learn how to use them. No need to...


Donald Knuth Is the Root of All Premature Optimization

Jason Sachs

This article is about something profound that a brilliant young professor at Stanford wrote nearly 45 years ago, and now we’re all stuck with it. TL;DR The idea, basically, is that even though optimization of computer software to execute...


Intel 8088 - A blast from the past

Ed Nutter

The Intel 8088 is an 8 bit processor related to the 16 bit 8086. The Microcomputer class consisted of wire-wrapping the chips to perfboard using sockets.I had taken computers apart, soldered, etc., but had never used wire-wrapping to construct a...


Zebras Hate You For No Reason: Why Amdahl's Law is Misleading in a World of Cats (And Maybe in Ours Too)

Jason Sachs

I’ve been wasting far too much of my free time lately on this stupid addicting game called the Kittens Game. It starts so innocently. You are a kitten in a catnip forest. Gather catnip. And you click on Gather catnip and off you go....


Favorite Tools: C++11 std::array

Matthew Eshleman

Many embedded software and firmware projects must be developed to high standards of reliability. To meet these reliability requirements, firmware project teams will consider many design tradeoffs. For example, an engineering team may avoid...


The Other Kind of Bypass Capacitor

Jason Sachs
1 comment

There’s a type of bypass capacitor I’d like to talk about today. It’s not the usual power supply bypass capacitor, aka decoupling capacitor, which is used to provide local charge storage to an integrated circuit, so that the...


It ain't heavy, it's my robot...

Ed Nutter

Unmanned Ground Vehicles - Design considerations for man-portable/packable vehiclesA UGV is “a ground based mechanical device that can sense and interact with its environment.” (Carlson, How) A Field Robot is expected to work outdoors,...