Useful tips for everyday
Why do you need a semiconductor protection fuse? Semiconductor protection fuses are used to protect against overcurrent conditions in power electronic equipment. They are specifically…
How to control the speed of an Arduino fan? But just as a precaution, before connecting the Arduino Speed input pin to Sense, you should…
What is flow of control in exception? To explain what an exception does, let’s review the normal “flow of control” in a Python program. In…
Does Nmap use DNS? By default nmap will use your system’s configured DNS. If you are enumerating a large address space nmap can generate a…
What is the condition for chip selection? When an engineer needs to connect several devices to the same set of input wires (e.g., a computer…
What is RC parallel circuit? In a parallel R-C circuit a pure resistor having resistance in ohms and a pure capacitor of capacitance. in Farads…
What does a LM386 do? The LM386 is an integrated circuit containing a low-voltage audio power amplifier. It is suitable for battery-powered devices such as…
How to control a led with a switch? Algorithm to control the led using the switch (SPST) 1 The microcontroller pin connected to the led…
Can URLs have slashes? A trailing slash is a forward slash (“/”) placed at the end of a URL such as domain.com/ or domain.com/page/. The…
How do I get around my ISP double NAT? If you’ve confirmed you have double NAT, there are ways to fix it. One simple way…