PC817 Optocoupler Tester

PC817 Optocoupler Tester

The PC817 optocoupler IC has four pins, 2 pins are the LED pins and the other 2 pins are the photo transistor collector and emitter.…

Capacitor unit converter

Capacitor Unit Converter

This capacitor unit converter tool can convert the capacitors unit between pf nf uf and F. Enter any known capacitance value to get remaining values…

Reduce 5V to 3V using Resistor

How to Reduce 5V to 3V using Resistor

To convert the 5V DC to 3V DC supply using resistor. you need to build a Resistor voltage divider using a R1 of 200 ohms and R2 of 330 ohms resistor.