timer plug

How to make an AC power outlet timer using IC555

This is a complete step-by-step guide to making an electric timer plug. This timer Ac socket can turn on or…

add comment
Decode IR remote

How to decode any IR remote using Arduino

In this article, I will tell you the easiest way to decode any IR remote control using an Arduino UNO…

add comment
power bank auto off

How to stop a power bank from turning off

We use power banks for charging our phones but we can use power banks to run many gadgets. We can…

1 comment
Piano

How to make a mini piano Using Arduino

In this article, I will share with you how you can make an electronic musical instrument using Arduino. It’s a…

1 comment

Powerful PWM Controller for Dc motor – Technoreview85

In this article, I will describe how you can make a PWM DC speed controller. This is a pwm controller…

add comment
fire alarm

How to make a fire alarm project – Technoreview85

It is an easy fire alarm system using IC LM358 & an IR Diode. this is a low cost fire…

add comment
High-temperature alarm

High-temperature alarm circuit using Lm358 – Technoreview85

It is a high-temperature alarm or over-temperature alarm system electronic project. In this article, I am going to describe how…

add comment

Clap switch – Turn on and off light / Fan by clapping using Arduino

Here I am going to describe how you can make a very interesting Arduino project. It is a clap switch….

add comment
heartbeat sensor circuit

How to make an easy heartbeat sensor circuit ( no need code )

In this article, I am going to describe how you can make a human heartbeat monitor circuit. Usually this type…

5 comments
DIY Bluetooth earphone

How to make a wireless Bluetooth headphone at home

It is a very easy & simple project. You can convert your old wired headphone to wireless Bluetooth headphones. It…

add comment