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Controlling Brightness of LED using Raspberry Pi 4

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Raspberry Pi LED Brightness Controller

Controlling the brightness of an LED or blinking it continually by passing various delays with PWM (Pulse Width Modulation) it might be your first Raspberry Pi 4 learning experience. In this article, we perform three activities which are, Turning On & Off LED. Blinking it using PWM at different frequencies. Controlling the brightness of the […]

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PWM controller for DC Motor using 555 timer IC

Pulse Width Modulation PWM controller. PWM is a technique in which the amount of current going in a circuit can be controlled by chopping the Direct current using a gate or transistor that is changing its duty cycle (on-off time) you should see this article flashing of LED using 555 IC. This article is about […]