Useful tips for everyday
How do I connect two USB ports? To use more than one USB device with a single USB port, use a USB hub. Hubs are…
Why does voltage drop when current increases? Increasing the current causes a higher voltage drop across the internal resistance which reduces the source voltage. Some…
What is the cut off frequency in an RC low-pass filter? The cutoff frequency of an RC low-pass filter is actually the frequency at which…
How does a PWM controller work with feedback? This flow chart shows how an ordinary PWM controller would be used to set the duty cycle.…
What are tabbing strips? This is currently available in the Canary version of Chrome. The new method is called “Tab Strips” and it is a…
What is a node of power? The Power node outputs the value of A raised to the power B. This can be useful to raise…
What is the humidity requirements? It is recommended to keep indoor relative humidity between 30 and 50 per cent, if possible. People typically find a…
Can a resistor be in series with a battery? Resistors are in series whenever the flow of charge, or the current, must flow through components…
What are IEC standards? The International Electrotechnical Commission (IEC) headquartered in Geneva, Switzerland, is the organization that prepares and publishes international Standards for all electrical,…
How do you calculate power dissipation in a MOSFET? When a heat sink is attached to a MOSFET, power dissipation is calculated from the sum…