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The pullup component simulates the behaviour of a pullup resistor. If the INPUT pin is open-circuit then the OUTPUT is 5V. If the INPUT is connected then the output will be at the connected voltage, typically 0V or GND. Pullup is commonly used in switching applications to ensure a valid output voltage when the switch is OFF (open-circuit).
| Pin | Name | Description |
| 1 | INPUT | Pullup input |
| 2 | OUTPUT | Pullup output. 5V if INPUT is O/C else equals INPUT |
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In this example, the use of the pullup component is illustrated.
Screenshot
Usage_Pullup1.vbb