Author Archives: M. Eric Carr

Investigating VOR signals, Part 1

A field trip is made to the Bangor (BGR) VOR beacon, in order to capture a clean signal from ground level. Continue reading

Posted in Analog, Aviation, RF | Leave a comment

Using Math To Answer Questions

Math can be used to solve all sorts of problems, once you learn how to describe the problems mathematically… Continue reading

Posted in Math, Science | Leave a comment

Printer, Upgrade Thyself

Using a 3D printer to make more/better 3D printer parts… Continue reading

Posted in 3D Printing, Design, Digital Citizenship, Tools | Tagged , , , , | Leave a comment

Programming the DrACo/Z80

Instructions on how to program the DrACo/Z80, including dealing with the weird Z80 quirks… Continue reading

Posted in Assembly, Coding, Digital, DrACo/Z80, Drexel, EET325, Electronics, HOW-TO | Leave a comment