Hello, I’m Zachary Ruhlen

Electrical engineer studying at Northeastern University. Experienced with analog & digital circuits, board layout, prototyping, and firmware. Enjoys hiking, community service, and staying active. Happy you're here.

Latest Projects

Subharmonic Radar

My senior capstone project is the development of a tag-based subharmonic radar tracking system. Subharmonic radar is a relatively new technology; it was developed in a Northeastern ...

PCB Business Card

This simple little project was an exercise to practice making PCBs. The concept is simple; it’s a business card made out of a circuit board. On the front is a small ruler, in inches ...

Electrocardiogram (ECG)

This was a project at the end of my Circuits and Signals class. The electrocardiogram (ECG) is a classic example of a lifesaving application of electrical engineering. The heart is c...

MIPS Computer

This was a class project for my Digital Design course that was the culmination of a semester’s worth of labs. The “computer” is a single-cycle, simplified MIPS processor designed...

The Commuter

This is an in-progress personal project inspired by my frustration trying to find all of the information important for my morning commute. Living in Maine in the winter presented a v...