Micropython Kurs 2023 - Teil 2

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Teil 2

Hier werden wir den Umgang mit der Microcontroller spezifischen Hardware lernen.


1. Abend

14.11.2023

Erster Hardware Kontakt

18. Lektion: Pin's
19. Lektion: Neopixel

20. Lektion: Onewire
21. Lektion: UART
22. Lektion: SPI
23. Lektion: I2C

24. Lektion: ADC

25. Lektion: DAC
26. Lektion: Puls Weiten Modulation (PWM)
27. Lektion: Watch Dog Timer (WDT)
28. Lektion: Interrupts
29. Lektion: Timer

2. Abend

21.11.2023

30. Lektion: Das Filesystem


Wlan
NTP/RTC

Die RTC des ESP32 soll sehr ungenau sein. 

MicroPython v1.20.0 on 2023-04-26; ESP32S3 module with ESP32S3

Type "help()" for more information.

>>> import network
>>> import ntptime
>>> from machine import RTC

# WLAN einrichten

>>> wlan = network.WLAN(network.STA_IF)
>>> wlan.active(True)
True
>>> wlan.connect('SSID', 'PW')
>>> wlan.isconnected()
False
>>> wlan.isconnected()
True
>>> wlan.ifconfig()
('192.168.5.109', '255.255.255.0', '192.168.5.1', '192.168.5.1')

# Die RTC mit NTP einstellen

>>> ntptime.settime()

# Die RTC einrichten

>>> rtc = RTC()

>>> rtc.datetime()
(2023, 9, 5, 1, 15, 39, 56, 427762)
>>> rtc.datetime()
(2023, 9, 5, 1, 16, 14, 5, 837765)
>>> rtc.datetime()
(2023, 9, 5, 1, 16, 21, 42, 597764)
>>> dir(ntptime)
['__class__', '__name__', '__dict__', '__file__', 'socket', 'struct', 'time', 'timeout', 'utime', '__version__', 'host', 'settime']
>>> ntptime.time()
747246194
>>> rtc.datetime()
(2023, 9, 5, 1, 16, 23, 49, 897771)
>>> ntptime.time()
747246234
>>> ntptime.utime
<module 'utime'>
>>> rtc.datetime()
(2023, 9, 5, 1, 16, 24, 29, 867765)
>>> ntptime.time()
747246276
>>> import time
>>> dir(time)
['__class__', '__name__', '__dict__', 'gmtime', 'localtime', 'mktime', 'sleep', 'sleep_ms', 'sleep_us', 'ticks_add', 'ticks_cpu', 'ticks_diff', 'ticks_ms', 'ticks_us', 'time', 'time_ns']
>>> time.gmtime()
(2023, 9, 5, 16, 25, 39, 1, 248)
>>> time.localtime()
(2023, 9, 5, 16, 25, 57, 1, 248)
>>> time.mktime(rtc.datetime())
747191787
>>> ntptime.time()
747246461
>>> time.mktime(rtc.datetime())
747191787
>>> ntptime.time()
747246472
>>> time.mktime(rtc.datetime())
747191788
>>> ntptime.time()
747246489
>>>
Datum und Uhrzeit
Links:

3. Abend

28.11.2023



4. Abend

5. Abend

Kritik


$ jupyter notebook



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