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heartbeat sensor

The Heartbeat Sensor is used to measure the functions of the heart like heart rate (speed of the heart) body temperature & blood pressure. Today, Heartbeat Sensors are not only used in medical-related devices but … Read more

How to make a Simple Heartbeat Sensor Circuit

Afzal Rehmani
21,446 views
home automation using nodemcu

Home automation evolution starts with some basic ideas. It minimizes the human efforts and it can be deployed in a lot of fields like military, surveillance application is developed in the modern world. In this … Read more

Home Automation System Using Nodemcu ESP8266

Afzal Rehmani
22,153 views
Home Automation Using NodeMCU

First of all, thanks for landing this post, if you are searching for “Home Automation Using NodeMCU | IoT projects | firebase | NodeMCU ESP8266“ then we must say you are in the right place. … Read more

Home Automation Using NodeMCU ESP8266 & Firebase

Syed Saad Hasan
11,404 views
transistor as a switch

A transistor is a device mostly used for switching purposes. As one of the sizable semiconductor devices, the transistor has found use in great digital applications such as embedded systems, digital circuits, and control systems. … Read more

How to use a transistor BC547 as a switch

Afzal Rehmani
54,361 views
dancing led circuit

You ought to have viewed the Disco Lights or DJ lights, which Turn ON and OFF according to the beats of the music. These lights glow according to the size and pitch (volume) of music … Read more

How to make Music Reactive – Dancing LED Circuit

Afzal Rehmani
16,768 views
seven segment display

Would you like to learn how to interface a seven-segment display with an Arduino?. In this tutorial, we are going to interface a 7 segment display to Arduino UNO. The display counts from 0-9 and … Read more

How To Use Seven Segment Display With Arduino – Up Counter

Syed Saad Hasan
9,258 views
touch switch

This simple Touch Switch Circuit by using a 555 timer IC operated as a MONOSTABLE vibrator. Here the stable stage is LOW, so the timer outputs low after the trigger is removed. Basically in this circuit, … Read more

How to make Touch On Touch Off Switch using 555 timer

Syed Saad Hasan
12,325 views
Clap Switch

Clap switch circuits are an important part of today’s home automation control circuitry, as it ventures into the domain of dynamic control of home appliances using a simple sound signal. So, Today in this tutorial, … Read more

How to Make Clap Switch | DIY Project | Home Automation | Electronics Projects

Afzal Rehmani
14,254 views
simple touch switch circuit

This circuit turns on LED with the contact of your finger! Many times we want positive actions to be completed with contact as an alternative to pressing a button. This simple circuit uses minimal components. … Read more

How to make Simple Touch Switch circuit using a Transistor | Basic electronics

Afzal Rehmani
13,581 views
mosquito repellent circuit

Mosquitos are annoying especially while sleeping so most people use chemicals because the chemicals are high efficiency. But using often chemicals no good for everyone. This project “Mosquito Repellent Circuit using 555 Timer” generates a high-frequency … Read more

How to make Mosquito Repellent Circuit using 555 Timer

Syed Saad Hasan
15,383 views
arduino sd card

The Arduino SD card module is especially useful for projects & tutorials that require data logging. The Arduino can create a file in an SD card to write and save data using the SD library. So … Read more

How to Read and Write Data in Arduino SD Card

Syed Saad Hasan
11,102 views
ir sensor arduino

Infrared Proximity Sensors can be used for different types of applications like obstacle sensing, color detection, fire detection, line sensing, etc, and also as an encoder sensor. The sensor provides a digital output of 5v … Read more

Interfacing Infrared (IR) Proximity Sensor with Arduino

Syed Saad Hasan
23,206 views
touch sensor

The ttp223b is a capacitive touch sensor module and the sensor driver is based on the driver IC TTP223. This capacitive touch sensor is an ideal alternative for old-fashioned keypads and buttons. The operating voltage of the … Read more

How to interface Capacitive Touch (ttp223b) Sensor with Arduino

Syed Saad Hasan
13,824 views
Arduino Vibration Sensor

Arduino Vibration Sensor (SW-420) is a high sensitivity non-directional vibration sensor. When the module is stable, the circuit is turned ON and the output is high. When the movement or vibration occurs, the circuit will … Read more

How to interface Vibration Sensor (SW-420) with Arduino

Syed Saad Hasan
16,647 views
fm transmitter

FM Transmitter circuit is one of the cool projects to build with a good range. The FM transmitter we are going to make is long-range although you can increase more range with the help of … Read more

How to make Long-Range FM Transmitter Circuit-Weekend Projects

Afzal Rehmani
18,740 views
fire alarm circuit

Fire Alarm Circuits are very important devices to detect fire at the right time and prevent any damage to people or property. Fire Alarm circuits are mostly used in industries, homes, cinemas, fuel stations & … Read more

How to make a Fire Alarm Circuit using 555 timer

Syed Saad Hasan
22,062 views
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