What is a capacitor A capacitor is an passive device that stores electrical energy in an electrical field. In layman terms it is a reservoir for energy the same way a rechargeable battery is, although it has many other properties…
What is an electret microphone One of the most common microphone component that is used in the today's devices (eg. smartphone) is the electret microphone. The electret capsule contains, among other little details, an electret diaphragm and a JFET transistor…
One important part of electronics is converting the alternate current (AC) - the form of current delivered to our homes and offices - into a useful direct current (DC). Although I am just a newbie in this field, rather a…
Continuing my last post on how I fixed a faulty AFC trailer converter I thought it might be useful sharing my thoughts about how I built a trailer light tester for one buck or less. So this is rather a…
In case you are willing to wire yourself the trailer to your car and you notice that your trailer AFC converter turn signals blink together you should at first follow the steps mentioned here. But what if the problem is…
Elektrisk laddning Elektriska krafter Elektriska laddningar påverkar varandra med krafter. Föremål med samma slags laddning stöter bort varandra, och föremål med olika slags laddning dras till varandra. Elektrisk laddade föremål Ett föremål som är negativt laddat har överskott på elektroner.…
