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Arduino Projects

Types of Arduino Boards with Specifications

Last Updated on May 14, 2026 by Swagatam 22 Comments

Arduino Uno WiFi rev 2

In this post we present a list of around 20 popular Arduino boards that are used by engineering students and professionals for their specific application needs. The types of Arduino boards discussed here are designed with a range of unique features and specifications to suit a desired application in the most effective way. The range […]

Filed Under: Arduino Projects Tagged With: Arduino, Boards, Specifications, Types

100A AC Load Monitoring Circuit using Arduino, Watt Limit, LCD, Alarm, Auto Shutdown

Last Updated on May 14, 2026 by Swagatam 2 Comments

In this project we are going to make one very useful grid power protection circuit. This will be like a power guard system which we can use in homes or apartments to monitor the wattage of the load and also to cut off the load automatically if it starts taking too much wattage, more than […]

Filed Under: Arduino Projects Tagged With: 100A, AC, Arduino, Load, Monitoring, Watt

Smart Bathroom Exhaust Fan Controller Circuit with Sensors

Last Updated on May 14, 2026 by Swagatam 23 Comments

So here we are now making one automatic smart exhaust fan controller system using Arduino UNO which will work for three bathrooms that are all connected to a single ventilation pipe and one common exhaust fan. This whole project is going to be based on PIR sensors for human detection, VOC sensors for odor detection […]

Filed Under: Arduino Projects, Sensors and Detectors Tagged With: Bathroom, Controller, Exhaust, Sensors, Smart

DHT11 Humidity, Temperature Sensor: How to Use and Interface with Arduino

Last Updated on May 14, 2026 by Swagatam Leave a Comment

We are now going to talk about one small cheap sensor that we call DHT11, and we can use that for measuring humidity and also temperature. You can see that many Arduino people like this sensor because it is very simple and also very low cost, so anybody can buy and try. The DHT11 can […]

Filed Under: Arduino Projects, Sensors and Detectors Tagged With: Arduino, DHT11, Humidity, Interface, Sensor, Temperature

Wireless Office Call Bell Circuit

Last Updated on May 14, 2026 by Swagatam 8 Comments

Remote

In this post I will show how 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 […]

Filed Under: Arduino Projects Tagged With: Bell, Call, Office, Wireless

Automatic Ultrasonic Water Pump Motor Controller Circuit

Last Updated on May 14, 2026 by Swagatam 31 Comments

Transmitter

This project explains how to build a fully automatic ultrasonic water level controller where the water pump motor starts automatically when the tank level goes below a preset LOW level and stops automatically when the tank becomes FULL. The whole system is wireless, reliable, and there are no corrosion problems because the ultrasonic sensor never […]

Filed Under: Arduino Projects, Water Controller Tagged With: Automatic, Controller, Motor, Pump, Ultrasonic, Water

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