Designing an Offline UPS – Part (12 /17)
In the previous tutorial, Online UPS was assembled from its basic building blocks like Lead Acid battery Charger, Square Wave Inverter and Modified Sine Wave Inverter. Now in this tutorial, offline UPS...
View ArticleDesigning 1 Watt Audio Power Amplifier – 3/9
In the previous tutorial, a 250 Milli Watt Audio Power Amplifier was designed using LM-386 power amplifier IC. On the basis of application, the audio amplifiers can be categorized into two classes - 1)...
View ArticleArduino based GPS receiver
You may have seen many micro controller based GPS receivers. The main purpose of such GPS receivers is to locate and display device latitude and longitudes (co-ordinates). These GPS receivers are...
View ArticleSatellite Dish Antenna angle Controller using ATmega16
The first thing we need to understand is that what it servomechanism? Servomechanism means generating error output as a difference between output feedback and control input and reduces this error until...
View ArticleIndustrial sequence timer using RTC and Arduino
Sequence timer is used in many manufacturing industries to turn ON and turn OFF processes one by one automatically. Sequence timer is at most required when there is chain of processes – means 1st...
View ArticleUART communication using NRF24le1 (Part 10/14)
In this modern world we all are aware about USB. We all connect our Pen drives, memory card and other devices using USB. But have you ever thought what is it? Here is the answer; USB is a...
View ArticleGetting started with Beaglebone Black (Part 1/15)
Beaglebone Black aka BBB is a low cost open source development board mainly used by developers and lobbyists. Although it’s quite similar to a Raspberry Pi yet it comes with some additional features....
View ArticleTCP/IP Based IoT Communication with ThingSpeak Platform : IOT Part 29
In the previous tutorial, features, advantages and limitations of TCP/IP Protocol were discussed. Though, TCP/IP is not best suited for IoT applications due to packet overheads, still being the most...
View ArticleAugmented Reality Based Sensor Data Display
Augmented Reality and Mixed Reality are the future of human interaction with the real world. Augmented Reality is a technology that allows projecting live images, videos or media in the real-world...
View ArticleArduino Based Smart Blind Stick
There are many devices for visually impaired people. This project is also an attempt to develop an aid for visually impaired persons. This project is a smart stick which is capable of detecting any...
View ArticleElectricity Recharge Station with Prepaid Energy Meter Using Arduino
Usually, the households have post paid electricity connections. On the consumer side, post paid connections have drawback that the consumption of electricity is not tracked by the consumers and many...
View ArticleSolar Tracker using Arduino
Solar energy is rapidly gaining notoriety as an important means of expanding renewable energy resources. As such, it is vital that those in engineering fields understand the technologies associated...
View ArticleCapacitance Measurement using Arduino
This is a project based on Arduino board which can measure the unknown capacitance value. When the capacitor whose value needs to be measured is plugged into the breadboard of the Capacitance meter,...
View ArticleMiniature Volt Meter cum Battery Voltage Monitor
Most of the times, measurement in electronic circuits, our requirement is measuring DC voltage. Normally, we will set the multi-meter to DC voltage mode and check the voltage levels at various points...
View Article32 Servo Motor Controller Program using ATMEGA32
Automation applications generally require controlling multiple actuators (like many motors) at the same time. For concurrent and synchronous controlling of many actuators, they need to be controlled...
View ArticlePortable UART Data Receiver/Tester
Universal Asynchronous Receiver/Transmitter (UART) is the most common point to point (peer) serial communication interface used in microcontrollers. It is a simple two-wire interface that requires no...
View ArticleGarden Monitoring and Automation with ATmega16
Gardening is one of the common hobbies. It keeps you close to nature. It is healthiest hobby that anyone can have. Though, plants and trees are like pets. They need continuous care without break. One...
View ArticleFastest Finger First using J-K Flip Flops
Fasted Finger First is an important circuit which is commonly used in quizzes, games and other multi-player activities. In quiz events, the circuit is generally used in Fasted Finger First is an...
View ArticleVAT METER using ATMega8
While measuring voltage and current with multi-meter, the probes have to be changed its position carefully. There is a probability of damaging the multi-meter, if voltage is measured in high current...
View ArticlePARKED VEHICLE MONITOR
Vehicle is part of our busy life but if we are in office or in house then we need to park vehicle outside or in parking lot. There is prone to theft or hit by other vehicle. The situation of vehicle...
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