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Easily add Python-controlled GPIO pins to any computer

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Let’s say that, hypothetically, you wanted to use your computer to blink an LED or read the state of a button. Could you? Almost certainly not — at least not without additional hardware. Most modern computers don’t provide any interface for direct interaction with low-level components. That’s why Nick Bild developed a device called USBgpio that lets users easily add Python-controlled GPIO pins to any computer.

USBgpio connects to any modern PC via USB. It has a row of exposed GPIO pins and users can control their states programmatically using Python. If you noticed that this sounds a lot like connecting an Arduino board to a computer, then you’re most of the way to understanding the concept. That’s because the enclosure does, indeed, contain a Nano 33 IoT. The header pins on the top of the USBgpio device connect directly to their counterparts on the Arduino.

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This provides utility (beyond the Arduino alone) because of the sketch that accepts serial commands sent by Python code. By using the USBgpio library, a user can set the state of any of the GPIO pins with a simple command. Of course, it is also possible to read the value of a pin.

Instead of flashing a new sketch to the Arduino every time they want to do something, a user can run a Python script directly on their computer. Or they can send commands in real-time using a Python interpreter. This provides an interesting interaction style that may appeal more to some users than traditional workflows.

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The post Easily add Python-controlled GPIO pins to any computer appeared first on Arduino Blog.

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Written by Quad Oner

LEGENDS MAY SLEPP BUT THEY NEVER DIE

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