Tag Archives: How to make a Relay module

Welcome back to one more electronics project. Here I will tell you how you can make Relay Module circuit and PCB and earn money from sell this project. Basically Relay module we use a mechanical switch. When we make any IoT home automation electronics project that time we need relay …

Hello, guys today I am going to teach you How to make a Relay module with Optocoupler. Here I will explain everything to make a perfect relay module with an optocoupler. All are we know the applications of relay module. When we make any smart project on home appliances, that …