What is "VIN"?

"VIN" stands for "Voltage In" and it refers to the voltage input to an electronic circuit or component.

In electronic circuits, components such as microcontrollers, sensors, and power supplies require a specific input voltage in order to function correctly. The VIN pin or terminal on a component is where the voltage input is connected.

The specific voltage level required by a component can vary depending on the specific component and its specifications. For example, a microcontroller might require a voltage input of 5 volts, while a sensor might require a voltage input of 3.3 volts.

It is important to ensure that the voltage input supplied to a component is within the allowable range specified in its datasheet. Providing a voltage input that is too high or too low can damage the component or cause it to malfunction.

In some cases, a component may have multiple VIN pins or terminals, which may be used to supply power from different sources or to provide power to different parts of the component.

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