Fira Alarm circuit using IR sensor

Fire Alarm Circuit using Transistor

January 30, 2020 admin 0

A Fire Alarm System is a device that makes a loud sound to warn people when there is a fire. In this project we have design a Simple and inexpensive fire alarm circuit by using a transistor BC547 and an {Read More}

battery level indicator

Battery Level Indicator Using LM 3914

January 21, 2020 admin 0

We are going to show you, how to design a simple Battery Level Indicator Circuit using LM 3914. The battery level indicator indicates the status of the battery by a glowing LED. In this circuit, we have 9 LED that {Read More}

3.7v battery low full indicator

3.7v Battery Low Full Indicator Ciruit

October 22, 2019 admin 0

In this project 3.7v battery low full indicator circuit, we are going to make a very simple battery level indicator. This indicator circuit is for a 3.7 volts indicator. We have designed this circuit with few components at home with {Read More}

IC 4440 Amplifier Circuit

May 30, 2019 admin 0

In this project we are going to built a simple IC 4440 amplifier circuit but the output is very nice and very high. It is 12 volts audio amplifier using is LM4440 IC 19 Watts amplifier. We have designed it {Read More}