Category Archives: Electronics

Rediscovering Vacuum Tubes, Part 1

Posted on 2012-07-30 by M. Eric Carr

A 6J6 vacuum tube is run through some DC tests… Continue reading →

Posted in Analog, Digital, Electronics, HOW-TO, Nostalgia, Power, Science | 4 Comments

PIC startup debugging techniques

Posted on 2012-07-10 by M. Eric Carr

If your PIC won’t execute code, here is a list of things to check… Continue reading →

Posted in Assembly, Coding, Digital, Electronics, HOW-TO, PIC Microcontrollers | Tagged , , , | Leave a comment

Geek My Ride: Learning to speak OBD-II

Posted on 2012-06-28 by M. Eric Carr

The OBD-II interface on modern cars allows access to quite a bit of data… Continue reading →

Posted in Arduino, Automotive, C, Coding, Digital, Electronics, HOW-TO | Tagged , , , , | Leave a comment

Voltage dividers

Posted on 2012-05-09 by M. Eric Carr

Two or more resistors can be used to make a voltage divider, to reduce voltages by a given ratio. Continue reading →

Posted in EET201, Electronics, Fundamentals | Leave a comment