Useful tips for everyday
What is the power factor for LED lighting? LED lighting systems are driven (ballasted) by electronic LED drivers which have an inherently capacitive electrical characteristic.…
How is average DC power calculated? The average voltage (VAV) of a sinusoidal waveform is determined by multiplying the peak voltage value by the constant…
Why are infrared LEDs red? If an infrared emitter is bright enough — which the LEDs on an infrared camera certainly are! — it will…
How do you make an electric motor spin slower? A couple of things you can do: Use gears to change ratio of speed, which is…
Why we use BJT differential amplifier? Differential Amplifier using Transistor. A differential amplifier is designed to give the difference between two input signals. The emitters…
What determines the RPM of a DC motor? The rotating speed of an electric motor depends on two factors: its physical construction, and the frequency…
How do I reduce 12V to 9V? To reduce a 12V circuit to 9V, place two resistors in series within the circuit. Find the difference…
How to control multiple LEDs with an Arduino Uno? Step 1: Acquire Components and Parts. The components requires for this project involvve; Eight LEDs, Ten…
How to calculate flyback Converter? The flyback voltage VOR is equal to VO (the secondary Vout plus the VF for the secondary diode D6) multiplied…
When did CE marking become mandatory? The letters “CE” are the abbreviation of French phrase “Conformité Européene” which literally means “European Conformity”. The term initially…