Category: Electronics Basics
Power adapter polarity: how to read the barrel connector diagram
Barrel connector power adapters look similar but carry the voltage at the centre pin or the outer sleeve depending on the device they were made for. Connecting an…
Ohms, watts, and volts: the three numbers that appear on everything
Three numbers appear constantly on audio equipment, power adapters, and electrical components: volts, watts, and ohms. They are related, and understanding the relationship between them explains a large…