Useful tips for everyday
Can I use coaxial cable for DSL? DSL broadband internet runs through landline phone wires. You can get DSL internet from providers like EarthLink, CenturyLink,…
What are digital potentiometers used for? A digital potentiometer (also called a resistive digital-to-analog converter, or informally a digipot) is a digitally-controlled electronic component that…
What are the problems with a DC to DC converter? A power converter not designed for hot plug-in may be damaged by high inrush currents…
What is sensor microcontroller? A sensor is a device that is used to detect and respond to events or changes in its environment, and then…
Does a surge protector need its own breaker? No. The, “operation of the surge protector” is independent. The surge protector is nothing more than a…
What is negative input? A negative-input buck, just like its positive-input counterpart, has an input that is always larger in magnitude than the output. Simplified…
What is deep sleep in ESP8266? In this, an LED connected to GPIO is turned ON for 5 seconds, then the SoC is put to…
What happens if an induction motor runs below its rated frequency? Low voltage can lead to overheating, shortened life, reduced starting ability, and reduced pull-up…
What is the source transformation method? An electrical source transformation (or just ”source transformation”) is a method for simplifying circuits by replacing a voltage source…
How do you scale analog input in PLC? Formulate a scaling equation to program into the PLC so that 4 mA of current registers as…