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Fuse : How to Test a Fuse With a Multimeter

Fuse: Cars and older homes that don’t use modern circuit breakers use fuses to prevent damage from electrical surges. Sometimes these fuses require testing to check that they are still in good working order. Testing fuses can be done using a multimeter, and doing so is both fast and easy to learn. Understand fuses Fuses […]

Resistors : How to Identify

Resistors are very common components in electronic circuits of all kinds Their function is to resist the current flowing in the circuit, and how much resistance they provide is measured in ohms. Most are printed with either a color code or an alphanumeric code to indicate their ohmic value and tolerance — how much their […]

laptop DC jack : How to Replace

These instructions tell you how to replace a faulty plug-in type DC jack .A novice laptop repair person or someone who has a little knowledge can greatly benefit from using these instructions with some experience replacing hard drives and RAM cards. Within these instructions are steps on how to disassemble the laptop, pulling and installing […]

Acer laptop easily : How to Fix Black Screen

Your Acer laptop goes into black screen, sometimes the screen is black after the logo? Don’t worry. You can fix your Acer laptop black screen issue with the solutions in this article. Try these fixes Here are some solutions you can try if your laptop screen is black. You don’t have to try them all; just work […]


Feedback Systems process signals and as such are signal processors. The processing part of a feedback system may be electrical or electronic, ranging from a very simple to a highly complex circuits. Simple analogue feedback control circuits can be constructed using individual or discrete components, such as transistors, resistors and capacitors, etc, or by using […]