Bald Engineer

For Christmas this year, I decided to do something different for my immediate family. Instead of trading gift cards like we usually do, I decided to put to use the Laser Cutter at …

As your schematics grow in complexity, it isn’t always possible to draw simple connections between chips or devices. Sometimes it isn’t possible to put two parts next to each other …

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Recently TechShop opened up one of their shops in Round Rock which is just a few minutes from Austin, where I live. TechShop is an awesome membership based workshop with a huge …

I’ve been working with Arduino boards for a number of years, as shown by the dates on some of my older blog posts. In that time I’ve only used boards based on the ATmega8 (like the …

Open source software that isn’t signed by an identified developer can cause headaches upgrading it on OSX. While working with the Arduino Due the first time, I downloaded 1.5 Beta …

The other night I happened to see a tweet come across my twitter stream from Joe Walnes (@joewalnes) about a resistor color code tool he created. You can find it at the clever …

Here’s a couple of quick tips to get around the Arduino IDE error message “Serial Port in Use.” These mostly apply to OSX, but since it is UNIX based, they may make sense for Linux …

Regulator Types Fundamentally there are two types of voltage regulators: linear and switching. The names come from how they operate and how they achieve voltage regulation. Linear …