Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- iot:micropython [2021/05/03 07:01] – [Develop for / with Micropython] admin
+++ iot:micropython [2025/02/11 10:05] (aktuell) – [Asynchronous Programming mit uasyncio:] admin
@@ Zeile 36: / Zeile 36: @@
 </code>
+==== 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/
@@ Zeile 53: / Zeile 78: @@
 </code>
+==== I2S Audio auf dem 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)====
@@ Zeile 107: / Zeile 140: @@
 </code>
+==== Freien Speicher ermitteln ====
+<code python>
+>>> import gc
+>>> gc.collect()
+>>> gc.mem_free()
+>>> import micropython
+>>> micropython.mem_info()
+</code>