Class D Amplifiers explained

I made many audio amplifiers using Class AB configuration. But, working with those big amplifiers are very heavy job. These amplifiers need more power, dual supply and heavy rectifiers/filtering circuits. We cannot power these Class AB amplifiers using single SMPS, A linear power supply with center tapped transformer is must. Now the real problem comes…

ESP8266 Wi-Fi based 7-Segment Display clock
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ESP8266 Wi-Fi based 7-Segment Display clock

Hello guys, I made want to make a 7-segment display. But this time with bigger digits and RGB effects. Because this can be used to display some readings like Clock with Nodemcu, temperature monitoring using Arduino. Also, with an option of color changing after each second or next reading. I also have the similar one,…