How To Make a 4.2 or 3.7 Volt Li-Ion Battery Charge Controller

Hey, Buddies!!!  Today I Will Show You How to Make a Li-Ion Battery Charge Controller at Home with Step by Step Guide and Video Tutorial.You can charge any 4.2V battery safely using this charge controller box.This charge controller has some special features, like overcharge protection and maximum charging current is 1Amp, Click Here For more details about this… Read More »

How To Solve Message Not Send from Android/keypad Mobile

Hello friend, are you facing problem in sending SMS, if your answer yes, then this is the right place for you. I’m going to explain in details about this serious issue. While sending SMS you will get ‘message not sent’ error, this error is mainly caused by a mobile SMS center number is blank or SMS center number… Read More »

Make 30v 10 Amp Adjustable Power Supply

Hello friends today I am going to show you how to make a  0-30 volt and 0-10 amp adjustable power supply step by step with all component list, and also you can watch my video tutorial below. So let’s start…         -:COMPONENT LIST :- 1. LTC3780 Dc 1v-30v 10a Step Up Down Regulator Module    2.… Read More »

6 Chnnel Relay Module Making

Hello friend today I will show you how to make 6 channel relay module at home.  You can use this relay module for Arduino project, or any other project. This is a 6-volt relay module, but it also works on 5 volts Power supply. You can also watch my video tutorial. So let”s start.         … Read More »