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Wireless Office Call Bell Circuit

call bell remote control circuit

In this post we are going to construct wireless office calling bell which can be used for calling 6 different personnel from head’s / boss’s desk or some other calling bell type fun project for your home. Using nRF24L01 2.4 GHz module We will be constructing a simple wireless calling bell using Arduino and nRF24L01 2.4 … Read moreWireless Office Call Bell Circuit

Password Based AC Mains ON/OFF Switch

In this post we are going to construct a password based mains ON/OFF switch circuit, which can turn ON and OFF the AC mains supply, only when correct password is entered. This prevents the danger of electrocution of the technician who might be currently working with the high voltage lines and equipment. Password Protection for … Read morePassword Based AC Mains ON/OFF Switch

Wireless Servo Motor Control Using 2.4 GHz communication link

2.4 GHz transmitter module

In this post we are going to construct a wireless servo motor circuit which can control 6 servo motors wirelessly on 2.4 GHz communication link. Introduction The project is divided into two parts: a transmitter with 6 potentiometers and a receiver circuit with 6 servo motors. The remote has 6 potentiometers to control 6 individual … Read moreWireless Servo Motor Control Using 2.4 GHz communication link

2.4 GHz 10 Channel Remote Control Switch

In this post we are going to construct a 10 channel remote control switch based on ISM (industrial, Scientific and Medical) band.   Introduction The ISM band is operated at 2.4 GHz, which can be used without licensing with reasonable power output. The proposed project is general purpose ON/OFF wireless switch, which can be utilized … Read more2.4 GHz 10 Channel Remote Control Switch

How to Make TDCS Brain stimulator Circuit

In this article we are going to construct an interesting project, which could potentially enhance your brain’s capability. Let’s learn how to make a TDCS brain simulator circuit. Overview This may sound like science fiction, where an evil scientist connects his head to some complex machine and gaining super human capabilities. This may somewhat be … Read moreHow to Make TDCS Brain stimulator Circuit

Make this SleepWalk Alert – Protect yourself from Sleepwalking Dangers

Do you have a habit of walking in night? Well, that habit isn’t that good, so one must try to get rid of it gradually. This article discusses a simple sleep walk alert circuit that might help you in getting out of this habit. By: SS Kopparthy Circuit Objective This circuit is a simple idea … Read moreMake this SleepWalk Alert – Protect yourself from Sleepwalking Dangers

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