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Pimp the Potentiometer

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Upir has introduced a clever and visually appealing solution for controlling multiple LEDs based on input voltage, showcased in a ring light configuration. While individually lighting up LEDs with an Arduino is a common task, handling an array of LEDs proportional to input voltage adds a layer of complexity. The […]

potentiometer

Using a Potentiometer

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The Raspberry Pi’s GPIO pins are digital pins, so you can only set outputs to high or low, or read inputs as high or low. However, using an ADC chip (Analogue-to-Digital converter), you can read the value of analogue input devices such as a Potentiometer. SPI The analogue values are […]