Das deutsche Python-Forum

Code: Alles auswählen

#!/usr/bin/env python3
import time
from datetime import datetime as DateTime

import gpiozero
from RPi import GPIO

VOLTAGE_LOG_FILENAME = "/media/pi/dm/log_spannung"
INPUT_PIN_A = 35
INPUT_PIN_B = 29
OUTPUT_PIN_A = 36
OUTPUT_PIN_B = 32


def main():
    GPIO.setmode(GPIO.BOARD)
    GPIO.setup([INPUT_PIN_A, INPUT_PIN_B], GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
    GPIO.setup([OUTPUT_PIN_A, OUTPUT_PIN_B], GPIO.OUT)

    while True:
        GPIO.output(OUTPUT_PIN_A, GPIO.input(INPUT_PIN_A))
        GPIO.output(OUTPUT_PIN_B, GPIO.input(INPUT_PIN_B))

    adc = gpiozero.MCP3008()
    while True:
        now = DateTime.now()
        voltage = adc.voltage * 4.848
        line = (
            f"{voltage:.2f} Volt   Datum: {now:%d.%m.%Y}"
            f"         Uhrzeit: {now:%H:%M:%S}\n"
        )
        # print(line, end="")
        with open(VOLTAGE_LOG_FILENAME, "a", encoding="ascii") as file:
            file.write(line)

        time.sleep(30 * 60)


if __name__ == "__main__":
    main()

Code: Alles auswählen

    while True:
        GPIO.output(OUTPUT_PIN_A, GPIO.input(INPUT_PIN_A))
        GPIO.output(OUTPUT_PIN_B, GPIO.input(INPUT_PIN_B)