Posts by Fariha Zahid

In this tutorial, we are making a project of a low-cost 8 LED battery monitor using LM324 IC. LM324 is an IC that contains four op-amps. The…

In this circuit, we are making a 555 low battery indicator for 6V batteries. As we all know rechargeable batteries are expensive and they ha…

In this tutorial, we are making a Battery High Low Alarm For Multiple Batteries. Usually, with batteries, there is an issue of overcharging…

In this tutorial, we are going to make a Dual power supply using a 555 timer IC. Most of the time a dual power supply is required for balanc…

In this tutorial, we are making a project of a 555 Low Battery Indicator For 12V Batteries. It is a very simple circuit of a low voltage ind…

In this tutorial, we are making a project of an Automatic Bicycle Dynamo Headlight and Battery charger circuit. This circuit is completely a…

In this tutorial, we are going to make a Plant watering watcher or Dry soil detector. Not all of us remember watering the plants and as we a…

In this tutorial, we are making an Automatic Sequence Solar Battery Charger circuit. This circuit will automatically shift the charging from…

In this tutorial, we are making a good quality LM324 Battery monitor. You can make this circuit by using an LM3914 IC but that costs more th…

In this tutorial, we are going to make a Moisture sensor circuit. These circuits are useful for everyday life as well as some electronic pro…

In this tutorial, we are making an Early Car Battery failure circuit. It will give an early indication of the failure of your car battery by…

In this tutorial, we are going to make a very useful project of a Battery Full Charge Alarm circuit. This circuit indicates a buzzer sound w…

In this tutorial, we are making a 555 timer circuit. This circuit is one of the most useful circuits. Multivibrators and oscillators can be…