51 lines
1.2 KiB
Python
51 lines
1.2 KiB
Python
from machine import Pin, I2C
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from onewire import OneWire
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from ds18x20 import DS18X20
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from time import sleep_ms
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from machine_i2c_lcd import I2cLcd
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from lcd_api import LcdApi
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#from pico_i2c_lcd import I2cLcd
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# Relais
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relais = Pin(15, machine.Pin.OUT, value = 1)
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led_onboard = Pin(25, machine.Pin.OUT, value = 0)
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# Temperature
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temp_sensor = DS18X20(OneWire(Pin(16)))
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sensor_id = temp_sensor.scan()[0]
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# LCD Display
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#i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=100000)
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#lcd = I2cLcd(i2c, 0x27, 2, 16)
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i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
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lcd_addr = 39
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I2C_ADDR = 0x27
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I2C_NUM_ROWS = 2
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I2C_NUM_COLS = 16
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lcd = I2cLcd(i2c, I2C_ADDR, I2C_NUM_ROWS, I2C_NUM_COLS)
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# Text in Zeilen
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line_top = 'Soll: '
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line_bot = 'Ist : '
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def ctrl_relais(active = True):
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if active:
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relais.value(0)
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led_onboard.on()
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else:
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relais.value(1)
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led_onboard.off()
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while True:
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temp_sensor.convert_temp()
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sleep_ms(750)
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temp_curr = str(temp_sensor.read_temp(sensor_id))
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lcd.move_to(0, 0)
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lcd.putstr(line_top + "\n" + line_bot + temp_curr + " °C")
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sleep_ms(2000)
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#ctrl_relais(True)
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#sleep_ms(5000)
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#ctrl_relais(False)
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#sleep_ms(5000) |