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[@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd)
"How to calculate speaker impedance when connected in series and parallel"  
[YouTube Link](https://youtube.com/watch?v=_AlpjqXFb7g) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-01-10T08:00Z 56.1K followers, 265K engagements


"3.7volt converter to 1.5volt homemade #khairunelectronicsbd #shortsfeed #trending #viral #shorts"  
[YouTube Link](https://youtube.com/watch?v=3EnCM_e2ewo) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-02-17T14:05Z 55.6K followers, 42.9K engagements


"DIY Powerful Stereo High Bass Amplifier circuit Using TDA 7265 IC #shortvideo #shorts"  
[YouTube Link](https://youtube.com/watch?v=ouPnzHNau7E) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-01-15T15:01Z 56.1K followers, 32.9K engagements


"7912 Voltage Regulator circuit diagram #youtubeshorts #shortsfeed #khairunelectronicsbd"  
[YouTube Link](https://youtube.com/watch?v=psf6UQn0aB0) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-06-19T15:28Z 56.1K followers, 38.6K engagements


"3.7V Lithium ion Battery Charger With Indicator #khairunelectronicsbd #youtubeshorts #shortsfeed"  
[YouTube Link](https://youtube.com/watch?v=ByBxwA7CUzc) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-06-25T15:46Z 56.1K followers, 63.1K engagements


"Make a AC to DC convert 12V 3A Bridge Rectifier #khairunelectronicsbd #shortsfeed #youtubeshorts"  
[YouTube Link](https://youtube.com/watch?v=d1MT-1LH98A) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-10-23T13:01Z 56.1K followers, 3838 engagements


"Speaker Crossovers Connection X Way Speaker Crossover Wiring Diagram #shortvideo #shorts"  
[YouTube Link](https://youtube.com/watch?v=o9vS-KUoiRk) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-03-03T17:33Z 56.1K followers, 6M engagements


"Speaker Crossovers Connection X Way Speaker Crossover Wiring Diagram #youtubeshorts #shorts"  
[YouTube Link](https://youtube.com/watch?v=AWr0uvAcvsI) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-04-09T19:11Z 56.1K followers, 179.9K engagements


"how to Connection Combined Socket @Khairun_ElectronicsBD #sockets #disconnectswitch #multisocket"  
[YouTube Link](https://youtube.com/watch?v=HSacDJsV6y0) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2024-12-12T14:24Z 56.1K followers, 313.9K engagements


"DIY 1KM FM Transmitter Circuit Diagram #khairunelectronicsbd #shorts #diycircuit"  
[YouTube Link](https://youtube.com/watch?v=YqcMelADeIo) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-02-01T14:00Z 56.1K followers, 66.1K engagements


"Speaker series wiring #khairunelectronicsbd #diy #youtubeshorts #shortsfeed #trending"  
[YouTube Link](https://youtube.com/watch?v=Z4OZ2dvGTp8) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-08-25T14:30Z 56.1K followers, 1.5M engagements


"How I divide the frequency range to match the speakers #youtubeshorts #shortsfeed #trending"  
[YouTube Link](https://youtube.com/watch?v=cWj7zUfrYrE) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-07-19T15:02Z 56.1K followers, 1.5M engagements


"How to Convert AC 220V to DC12V 3A 12V 3A Adapter #khairunelectronicsbd #youtubeshorts"  
[YouTube Link](https://youtube.com/watch?v=eH2j5XD2xn8) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-10-22T13:01Z 56.1K followers, 21.1K engagements


"TDA2822 Best Stereo Amplifier Circuit #khairunelectronicsbd #shortsfeed #diyaudio"  
[YouTube Link](https://youtube.com/watch?v=p7A0knC05J0) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-10-21T14:01Z 56.1K followers, 16.9K engagements


"DIY 12V 7A Battery charger circuit diagram #youtubeshorts #shortvideo #shorts"  
[YouTube Link](https://youtube.com/watch?v=zfGwcCcKMj4) [@khairun_electronicsbd](/creator/youtube/khairun_electronicsbd) 2025-04-11T16:39Z 56.1K followers, 573.7K engagements