Posts by Fariha Zahid

In this tutorial, we are making a moisture sensor switch circuit. This is one of the simplest circuits of a moisture sensor that can be used…

In this tutorial, we are making a circuit of a Rain detector switch using a relay. It prevents your electronic appliances outside your house…

In this circuit, we are making a Low Battery Cutoff For 12V Batteries Using 555 IC. The rechargeable batteries are expensive and whenever th…

In this project, we are making a project of a simple water level indicator circuit. Water overflow is a major issue it can create a mess and…

In this tutorial, we are making a project of a Simple touch switch circuit. It is used to activate a relay instead of an LED and resistor so…

In this tutorial, we are making a circuit of a 12V Battery Backup Power Supply. This circuit will automatically shift the load to the batter…

In this tutorial, we are making an LM3914 Automatic 12V / Universal Battery Charger. The IC that we are using is LM3914 which is used to sen…

Today we are going to demonstrate a very interesting project of a Rain sensor alarm. This is an ideal circuit for those who enjoy electronic…

In this tutorial, we are making a simple transistor based solar battery charger with auto cut off function. When the battery gets fully char…

In this circuit, we are making a 555 Universal Automatic Battery Charger. Any type of rechargeable battery having voltages ranging from 6 to…

This is a tutorial on one of the most useful DIY projects, a battery backup for multiple equipments. Battery backups are an essential part o…

In this tutorial, we are going to make a Simple Water Level Sensor Or Liquid Level Detector circuit. This circuit measures or detects a requ…

You never know when your phones or devices can run out of charging and you’re having an emergency. In these situations, an emergency charger…