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In this episode, we will look at the construction of an ordinary flashlight. But is it really that ordinary? It turns out that modern flashlights are quite heavily filled with electronics. We will familiarize ourselves with the construction and operation of flashlights, those with bulbs and those with LEDs and lasers. If you liked the episode, we invite you to like our Facebook page: / rselektronika If you have any suggestions for topics for the next episodes, send them to: [email protected] We also invite you to our second channel on audio - Noise Reducer / reduktorszumu We invite you to the website http://reduktorszumu.cupsell.pl to buy T-shirts and gadgets with the Noise Reducer logo. In this way, you can contribute to the development of our channel.