Category Archives: Electronics

Indistinguishable From Off

Posted on 2020-05-26 by M. Eric Carr

A Z80 computer stops working in the middle of programming — or does it? Continue reading →

Posted in Digital, DrACo/Z80, Drexel, Electronics, Fundamentals, Power, Troubleshooting | Leave a comment

TinyFPGA / ICEStudio

Posted on 2020-03-31 by M. Eric Carr

The TinyFPGA BX, plus ICEStudio, make FPGA development open source and almost Arduino-easy. Continue reading →

Posted in Digital, Electronics, FPGAs, Reviews, Tools, Toys, Verilog | Tagged , , , , , | Leave a comment

Back EMF

Posted on 2020-02-03 by M. Eric Carr

Lenz’s Law explodes an NMOSFET and kills an Arduino Uno. (Sometimes, Science goes bang.) Continue reading →

Posted in Analog, Arduino, Digital, Electronics, Fundamentals, Power, Toys | Tagged , , , , , | Leave a comment

Component Tester

Posted on 2019-05-31 by M. Eric Carr

The microcontroller revolution has accelerated the development of tools available to the electronics industry. Multimeters (recently, DMMs) and oscilloscopes (recently, DSOs) have been a staple of electronics workbenches for decades, along with signal generators, frequency counters, and other specialized tools. … Continue reading →

Posted in Analog, Components, Electronics, Reviews, Tools | Tagged , | Leave a comment