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…

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surveillance robot

How to make a surveillance robotic car using ESP 32 cam board

In this article, I am going to share a very interesting project using an esp32 cam module. It is a…

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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…

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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…

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GF 07 not working sim card

GF 07 GPS tracker is not working – 100 % Problem solving trick

Gf 07 is a portable GPS tracking device. It works with the GSM network by sending & receiving SMS. This…


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…

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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…

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How to track anyone’s location using a GPS tracker

Hi, guys in this article I am going to tell you how you can track anyone using a mini portable…

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…

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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…

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