This post explains how to Make an Simple ON Off button circuit using PNP Transistor and optocoupler in this circuit.
Table of Contents
Circuit Diagram :
I Designed A Circuit Diagram From Easy Eda Site
Components Needed :
- 817 Optocoupler – 1
- BC557 Transistor – 1
- 1k Resistor – 1
- 330 ohms Resistor – 1
- 220 ohms Resistor – 1
- micro switch – 2
Tools Needed :
- Soldering Iron
- Soldering Past
- Lead
- Component Holding Stand
- Soldering Stand
