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In most electronic systems, it is necessary to provide information in the visual form for a convenient user interface. The most commonly used displays in electronic systems are LED, LCD and TFT. Amongst these, an LCD display is the...
Arduino board can also be used to control electrical devices and appliances over the Internet. Just by clicking a few buttons on a webpage, the devices can be operated from a remote location. For this, the board needs to...
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 a trained listener without using any special equipment. The International Morse Code encodes alphabets, numerals...
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 with the use of technology, we can easily achieve it.  So, today we are going to...
Every organisation needs an attendance system to obtain data about its working hours and also keep track of its employee’s punch in and out times. With state-of-the-art technology, this is becoming even more advanced, such as biometric attendance or...
You must have seen digital weighing machine in numerous shops, but have you ever wondered how it works and how it can be made into a low cost, portable device? If not, then let’s make one. How our digital weighing...
We all must have used a photo frame in our houses, but have you ever wondered that you can make a smart digital photo frame cum calendar by yourself?  Today, we will make this smart digital photo frame that will...
This simple key-operated gate locking system allows only those persons who know the preset code to open the gate. The code is to be entered from the keypad within the preset time to operate the motor fitted in the...
For beginners, here’s a low-cost multitester that can be used to test the condition of almost all the electronic components from resistors to ICs. It uses only a few components but can also detect polarity, continuity, logic states and...
Noise pollution is a growing problem in modern cities, thanks to rapid population growth, urbanisation and new technologies. Moreover, at times, a noisy neighbour or co-worker can drive you crazy and affect your well-being. Talking loudly is an annoying habit...