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Blog entries by Mithun_K_Das

One of the very useful transformerless power supplies using Viper12A IC can be used in many applications. It is sufficient to run micro-controllers, sensors, displays, relays, and so on. With very few numbers of components, we can get a reliable transformerless power supply using Viper12A...
Basics: To generate PWM(Pulse Width Modulation) both analog and digital circuits can be used. But using a micro-controller is much easier than other methods. To generate PWM, the micro-controller has a built-in PWM module. But if there is no such PWM module then how can you generate PWM? Yes, in...
SONY SIRC Protocol: There are three types of SIRC protocol, 12, 15, and 20bit types. All these types have a command and device word. The 20-bit version has only 8bit extended words. Within the bitstream, each word is sent LSB first like this pattern below: The frame timing is based on...
The basic of comparator: Comparator is one of the mode of Op-Amp circuit. It is pretty simple in configuration like this image below: The output of the comparator is high if the non-inverting input voltage is higher than the inverting input pin. And the output is low if the non-inverting pin...
GLCD is one of the most interesting device in electronics works. People working with microcontroller are very interested to work with it. And me? Yes! I’m very much interested to it… I did some works professionally, but I felt that you may need a help to make your own big font work with GLCD...
HSM-20G is one of the most common humidity and Temperature sensor. This sensor is fully analog type. The outputs are analog voltages rather than any digital signal. The datasheet indicates that the output pins need some extra devices with it. here is the connection diagram: From the...
Mithun_K_Das
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Generating Sine wave is very demanded job in power electronics field. So do to me too. I read some topics over the internet and found many ways to generate a sine wave. As most of you are really interested in generating sine wave so I’m writing today about it here. There is some different ways...

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