LEDs and Resistors Explained in 49.03 Seconds! Why Your LED Looks Too Dim (or Too Bright!)
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YouTubeKalectronics
LEDs and Resistors Explained in 49.03 Seconds! Why Your LED Looks Too Dim (or Too Bright!)
Control an RGB LED with an ESP32 using PWM. In this video, we wire each colour channel with its own 330‑ohm resistor, set up three PWM channels, and mix colours like yellow, cyan, magenta, and white. You’ll see how changing duty cycles creates smooth colour transitions and full RGB control. Perfect for beginners working with LEDs, ESP32 ...
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Original Video Credit: IG/namayeshgah_cheragh Long before LEDs and battery powered lights, pressurized lanterns like the Petromax could produce an astonishing amount of illumination using only kerosene and clever engineering. The process begins with the rapid heater, which creates a powerful blue flame beneath the generator tube. This preheats the metal components so liquid kerosene can be converted into a vapor before entering the burner. Once the generator is hot enough, the main valve is open
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