`xerxes-nano-gpio-led-blink-python.py`

Xerxes Nano Carrier Board for Jetson Orin Nano Super and Turing RK1 Modules · File : xerxes-nano-gpio-led-blink-python.py · Language : Python · Use case : Contrôler une LED connectée à un GPIO pour tester la disponibilité des broches physiques.

Python script using RPi.GPIO to blink an LED, validating low-level GPIO access from the Jetson module via the Xerxes Nano carrier board.

Hardware: Xerxes Nano with Jetson Orin Nano Super, LED, and 330Ω resistor. Connect the LED to GPIO 17 (BCM) and ground. Ensure the power jumper is correctly positioned. Execution: pip install RPi.GPIO then python3 blink.py. Verify that the PWM fan does not block pin access if configured in shared mode.

xerxes-nano-gpio-led-blink-python.py

import time
import RPi.GPIO as GPIO

# La carte Xerxes Nano expose les GPIO du module Jetson Orin Nano Super
# Vérifiez le schéma KiCad pour la correspondance exacte des broches.
# Exemple : GPIO 17 (Pin 11 sur le connecteur standard Jetson)
LED_PIN = 17

def setup():
    GPIO.setmode(GPIO.BCM)
    GPIO.setup(LED_PIN, GPIO.OUT)
    print(f"GPIO {LED_PIN} configuré en sortie.")

def loop():
    try:
        while True:
            GPIO.output(LED_PIN, GPIO.HIGH)
            time.sleep(1)
            GPIO.output(LED_PIN, GPIO.LOW)
            time.sleep(1)
    except KeyboardInterrupt:
        pass
    finally:
        GPIO.cleanup()
        print("GPIO nettoyé.")

if __name__ == "__main__":
    setup()
    loop()

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