上面的代码只是完成了引脚的设置,但还不能点亮LED,要点亮LED,还需要通过程序告诉 Pico 把引脚打开。 led.value(1) 前面的行创建了对象led,作为 GP25 引脚上的输出,这一行将该对象的值设定为1(二进制中的高电平),用于'on',它也可以将值设置为0,用于'off'。 led.value(0) 如何才能让 LED 闪烁起来呢?我...
我们来看下使用ESP-IDF和MicroPython来分别让LED发光二极管闪烁的代码。 下面是ESP-IDF官方的C语言点灯代码: /* Blink ExampleThis example code is in the Public Domain (or CC0 licensed, at your option.)Unless required by applicable law or agreed to in writing, thissoftware is distributed on an "AS...
## MicroPython for the IOT## Example 1## Turn on the blue LED (4 = Blue)## Dr. Charles Bell#importpyb# Import the Pyboard libraryled = pyb.LED(4)# Get the LED instanceled.off()# Make sure it's off firstforiinrange(0,20):# Run the indented code 20 timesled.on()# Turn LE...
#Copy this code below from the blink.py to the new file #hardware platform: FireBeetle-ESP8266 import time from machine import Pin led=Pin(2,Pin.OUT) #create LED object from pin2,Set Pin2 to output while True: led.value(1) #turn off time.sleep(0.5) led.value(0) #turn on time.sle...
micropython-morsecode - Blink an LED with Morse Coded message. micropython-p9813 - Driver for P9813 RGB LED used in SeeedStudio's Grove chainable RGB LED. micropython-ws2812-7seg - 7-segment display using WS2812 RGB LEDs. micropython-ws2812 - Driver for WS2812 RGB LEDs. Official APA102 ...
CPython 支持通过库进行异步编程。而MicroPython 提供了其中的一个子集,针对裸机目标的小型代码大小和高性能进行了优化。 v2是以前的实现版本 v3是现在在使用的版本 代码语言:javascript 代码运行次数:0 运行 AI代码解释 asyncdefblink(led,period_ms):whileTrue:led.on()awaituasyncio.sleep_ms(5)led.off()awaitua...
Code Part 2: Blinky In a text editor, enter the following code: Copy Code importmachineimportsysimportutime# Pin definitionsrepl_button=machine.Pin(0, machine.Pin.IN, machine.Pin.PULL_UP)led=machine.Pin(5, machine.Pin.OUT)# Blink foreverwhileTrue:# If button ...
class Blink: def __init__(self, timer, led): self.led = led timer.callback(self.cb) #定义中断程序 #定义中断函数,中断函数需要一个定时器输入变量即可, def cb(self, tim): self.led.toggle() #调用类方法运行程序,此处仅以黄灯为例,(因为不太刺眼~) ...
micropython-morsecode - Blink an LED with Morse Coded message. micropython-p9813 - Driver for P9813 RGB LED used in SeeedStudio's Grove chainable RGB LED. micropython-ws2812-7seg - 7-segment display using WS2812 RGB LEDs. micropython-ws2812 - Driver for WS2812 RGB LEDs. Official APA102 ...
latest version of MicroPython firmware installed in your ESP boards and have a running Integrated Development Environment (IDE) in which we will be doing the programming. We will be using the same uPyCraft IDE as we have done previously when we learned how to blink and chase LEDs in ...