Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- iot:micropython [2019/10/14 02:40] – admin
+++ iot:micropython [2025/02/11 10:05] (aktuell) – [Asynchronous Programming mit uasyncio:] admin
@@ Zeile 1: / Zeile 1: @@
 ====== MicroPython ======
-=== MicroPython für esp8266 / esp32 ===
+[[iot:expressiv|Micropython Installation]]
+==== MicroPython für ESP8266 / ESP32 ====
   * https://docs.micropython.org/en/latest/esp8266/general.html
   * https://docs.micropython.org/en/latest/esp32/quickref.html
   * https://docs.zerynth.com/latest/official/board.zerynth.nodemcu_esp32/docs/index.html
+  * [[https://github.com/lvidarte/esp8266/wiki/MicroPython%3A-REPL|Getting a MicroPython REPL prompt]]
+==== Develop for / with Micropython ====
   * https://learn.adafruit.com/micropython-basics-loading-modules/frozen-modules
   * https://github.com/micropython/micropython-lib
+  * https://github.com/adafruit/circuitpython
+==== Porting Micropython ====
+  * https://docs.micropython.org/en/latest/develop/porting.html
+  * https://www.snaums.de/informatik/porting-micropython-to-bare-metal-raspberry-pi.html
+  * https://www.snaums.de/informatik/porting-micropython-to-the-raspberry-pi-part-2.html
+  * https://forum.micropython.org/viewtopic.php?t=5779
-=== Blink LED: ===
+==== Blink LED: ====
 <code python>
@@ Zeile 23: / Zeile 36: @@
 </code>
-== MQTT auf dem ESP32: ==
+==== LED Helligkeit per PWM regeln: ====
+<code python>
+from machine import Pin, PWM
+from time import sleep
+frequency = 5000 # Hz: can be a value between 0 and 78125
+led = PWM(Pin(2), frequency)
+while True:
+  for duty_cycle in range(0, 1024): #can be a value between 0 and 1023 (100%)
+    led.duty(duty_cycle)
+    sleep(0.005)
+</code>
+Quelle: https://randomnerdtutorials.com/esp32-esp8266-pwm-micropython/
+==== Ping auf dem ESP32 ====
+  * https://gist.github.com/shawwwn/91cc8979e33e82af6d99ec34c38195fb
+==== Asynchronous Programming mit uasyncio: ====
+  * https://gpiocc.github.io/learn/micropython/esp/2020/06/13/martin-ku-asynchronous-programming-with-uasyncio-in-micropython.html
+  * https://www.youtube.com/watch?v=2IW-ZEui4h4 -- How To Easily Do Asynchronous Programming With Asyncio In Python
+==== MQTT auf dem ESP32: ====
   * https://boneskull.com/micropython-on-esp32-part-2/
   * https://randomnerdtutorials.com/micropython-mqtt-esp32-esp8266/
@@ Zeile 40: / Zeile 78: @@
 </code>
+==== I2S Audio auf dem ESP32: ====
-=== DHT11/22 (ESP32)===
+  * https://www.youtube.com/watch?v=UXt27kOokh0 - MicroPython I2S Audio with the ESP32
+  * https://github.com/miketeachman/micropython-i2s-examples
+==== BME280====
+  * https://randomnerdtutorials.com/micropython-bme280-esp32-esp8266/
+==== DHT11/22 (ESP32)====
   * https://randomnerdtutorials.com/micropython-esp32-esp8266-dht11-dht22-web-server/
 <code python>
@@ Zeile 61: / Zeile 107: @@
       print(msg)
    except OSError as e:
-      return('Failed to read sensor.')
+      print('Failed to read sensor.')
-   sleep 2
+   sleep(2)
 </code>
-== MicroPython to AWS-IOT ==
+==== MicroPython to AWS-IOT ====
   * https://www.hackster.io/user3282664/micropython-to-aws-iot-cc1c20
-=== Enthaltene Module (ESP32)===
+==== Enthaltene Module (ESP32)====
 <code python>
 help('modules')
@@ Zeile 94: / Zeile 140: @@
 </code>
+==== Freien Speicher ermitteln ====
+<code python>
+>>> import gc
+>>> gc.collect()
+>>> gc.mem_free()
+>>> import micropython
+>>> micropython.mem_info()
+</code>