Build An IoT-Based Motion Detector Using Cayenne
Presented here is a motion-sensor-based security system using Cayenne and Arduino Uno. Cayenne is the simplest and easiest platform for the Internet of Things...
GSM-based Cellular IoT Home Automation
What if you are out of your home (and/or in another country) and suddenly realise that you have forgotten to turn off the geyser,...
Make A Battery-Operated Portable Temperature Measurement System
This project presents a K-type thermocouple-based temperature measurement system using MSP430G2553 microcontroller (MCU). The MCU reads sensor data and updates it on a four-digit,...
Make A Simple Power Supply For Adjustable Voltage And Current
Sometimes a simple analogue power supply with adjustable output voltage and adjustable current-limiting function is needed. This article presents a simple power supply using...
Monitor Temperature With Voice Alerts
This project is based on Arduino Uno and Processing software for monitoring temperature and sending voice alerts. Processing is an open source IDE that...
Serial LCD Module
In most electronic systems, it is necessary to provide information in the visual form for a convenient user interface. The most commonly used displays...
SMS-Based Smart Notice Board
We are all familiar with how notice boards in schools, offices, colleges and railway platforms look like. But have you ever wondered how they...
Make A Smart Presentation IR Pointer Using Arduino
Smart presentation pointers are readily available in the market but are expensive. Here is a simple, easy-to-build, inexpensive and infrared (IR)-based smart slide pointer...
Build Your Own Miniature VAW Meter
The circuit presented here can measure voltage (V), current (A) and wattage (W) on an OLED. It is actually voltmeter, ammeter and wattmeter circuits...
Web-Based Device Controller With Arduino Board
Arduino board can also be used to control electrical devices and appliances over the Internet. Just by clicking a few buttons on a webpage,...
Microcontroller-Based Morse Code Encoder
Morse code is a method of transmitting textual information as a series of on-off tones, lights or clicks that can be directly understood by...
IoT-Based Smart Agriculture System
Most of us have a small garden, farmland or a plantation area. Our busy schedule, however, doesn’t allow us to maintain it well. But...
Develop a Smart Android App for Temperature Alert System
This project presents an Android app to generate an alert (alarm) on a smartphone when temperature of the process under consideration exceeds user-defined maximum...
Simulate MOSFET-Based Ideal Diode
A simple explanation for the working of an ideal diode circuit based on P-channel MOSFET and PNP transistor is presented here. The typical voltage...
Build A Model Of Satellite Dish Antenna Angle Controller
Presented here is an Arduino-based dish antenna angle controller to align the position of a satellite dish antenna by setting azimuth and elevation angles....
Gesture Controlled Wheelchair Using ATmega32
Wheelchairs are useful for people for whom walking is difficult or impossible due to some illness, injury or disability. There are different types of...
IR Remote-Controlled RGB Bulb
Infrared (IR) remote-controlled RGB bulbs available in the market are extremely expensive. Here is a simple, easy-to-build and inexpensive circuit built using Arduino Uno...
Decode An IR Remote For Home Automation
This article describes how to decode a remote controller and use it for home automation, along with Arduino. An infrared (IR) remote controller used...