Every LED has its own characteristics and specifications, depending on the materials used to make them, their colour and many other parameters. As we know the LEDs have a forward voltage, just like ...

Our Circuit Design Calculators for Engineers and Students are free-to-use tools that help you quickly determine key parameters ...

The brains of the calculator were discarded and replaced ... was too limited to satisfy him he added a booster circuit and an LED driver which he snapped off the top of an old remote; now it ...

The Arduino cannot be powered directly from the 9 V calculator battery. Either a separate supply is needed, or a voltage regulator/buck supply should be used to convert the 9 V battery to 3.3 V (or 5 ...