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ESP32（MicroPython） RGB流水灯 新版
本程序相比上一个程序，改用了24灯的环形WS2812模块，数据引脚改用13脚。增加了把相应颜色重复2次（即前半部分和后半部分的灯颜色排列相同）和4次的模式，模式增加到9种。
代码如下
#导入Pin模块 from machine import Pin import time from machine import PWM from neopixel import NeoPixel # 五向导航按键，COM引脚接3.3V key1 = Pin(21, Pin.IN, Pin.PULL_DOWN) key2 = Pin(19, Pin.IN, Pin.PULL_DOWN) key3 = Pin(18, Pin.IN, Pin.PULL_DOWN) key4 = Pin(5, Pin.IN, Pin.PULL_DOWN) key5 = Pin(17, Pin.IN, Pin.PULL_DOWN) key6 = Pin(16, Pin.IN, Pin.PULL_DOWN) pin=13 rgb_num=24 rgb_led=NeoPixel(Pin(pin,Pin.OUT),rgb_num) key_en=1 #按键扫描函数 def key_scan(): global key_en if key_en==1 and (key1.value()==1 or key2.value()==1 or key3.value()==1 or key4.value()==1 or key5.value()==1 or key6.value()==1 ): time.sleep_ms(10) key_en=0 if key1.value()==1: return 1 elif key2.value()==1: return 2 elif key3.value()==1: return 3 elif key4.value()==1: return 4 elif key5.value()==1: return 5 elif key6.value()==1: return 6 elif (key1.value()==0 and key2.value()==0 and key3.value()==0 and key4.value()==0 and key5.value()==0 and key6.value()==0 ) : key_en=1 return 0 brightness=51 delay=40 mode=8 def key_get(): #获取键值并改变变量的值 global brightness global delay global mode key=key_scan() if key==1 and brightness17 : brightness-=17 elif key==3 and delay10 : delay-=10 elif key==5 and mode0 : mode-=1 count=0 #程序入口 while True: key_get() if count==23 : count=0 if mode==0 : #关灯 for i in range(rgb_num): rgb_led[i]=(0, 0, 0) rgb_led.write() if mode==1 : #三原色 temp=0 i=count count+=1 while temp23 : i-=24 rgb_led[i]=(brightness, 0, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, brightness, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, 0, brightness) i+=1 temp+=1 rgb_led.write() time.sleep_ms(delay) if mode==2 : #三原色重复2次 temp=0 i=count count+=1 repeat=0 while repeat<4 : temp=0 repeat+=1 while temp23 : i-=24 rgb_led[i]=(brightness, 0, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, brightness, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, 0, brightness) i+=1 temp+=1 rgb_led.write() time.sleep_ms(delay) if mode==3 : #三原色重复4次 temp=0 i=count count+=1 repeat=0 while repeat<4 : temp=0 repeat+=1 while temp23 : i-=24 rgb_led[i]=(brightness, 0, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, brightness, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, 0, brightness) i+=1 temp+=1 rgb_led.write() time.sleep_ms(delay) if mode==4 : #三间色 temp=0 i=count count+=1 while temp23 : i-=24 rgb_led[i]=(brightness, brightness, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, brightness, brightness) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(brightness, 0, brightness) i+=1 temp+=1 rgb_led.write() time.sleep_ms(delay) if mode==5 : #三间色重复2次 temp=0 i=count count+=1 repeat=0 while repeat<2 : temp=0 repeat+=1 while temp23 : i-=24 rgb_led[i]=(brightness, brightness, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, brightness, brightness) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(brightness, 0, brightness) i+=1 temp+=1 rgb_led.write() time.sleep_ms(delay) if mode==6 : #三间色重复4次 temp=0 i=count count+=1 repeat=0 while repeat<4 : temp=0 repeat+=1 while temp23 : i-=24 rgb_led[i]=(brightness, brightness, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, brightness, brightness) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(brightness, 0, brightness) i+=1 temp+=1 rgb_led.write() time.sleep_ms(delay) if mode==7 : #三原色+三间色 temp=0 i=count count+=1 while temp23 : i-=24 rgb_led[i]=(brightness, 0, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(brightness, brightness, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, brightness, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, brightness, brightness) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, 0, brightness) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(brightness, 0, brightness) i+=1 temp+=1 rgb_led.write() time.sleep_ms(delay) if mode==8 : #三原色+三间色重复2次 temp=0 i=count count+=1 repeat=0 while repeat<2 : temp=0 repeat+=1 while temp23 : i-=24 rgb_led[i]=(brightness, 0, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(brightness, brightness, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, brightness, 0) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, brightness, brightness) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(0, 0, brightness) i+=1 temp+=1 temp=0 while temp23 : i-=24 rgb_led[i]=(brightness, 0, brightness) i+=1 temp+=1 rgb_led.write() time.sleep_ms(delay) if mode==9 : #三原色+三间色重复4次 temp=0 i=count count+=1 repeat=0 while repeat23 : i-=24 rgb_led[i]=(brightness, 0, 0) i+=1 temp+=1 if i>23 : i-=24 rgb_led[i]=(brightness, brightness, 0) i+=1 temp+=1 if i>23 : i-=24 rgb_led[i]=(0, brightness, 0) i+=1 temp+=1 if i>23 : i-=24 rgb_led[i]=(0, brightness, brightness) i+=1 temp+=1 if i>23 : i-=24 rgb_led[i]=(0, 0, brightness) i+=1 temp+=1 if i>23 : i-=24 rgb_led[i]=(brightness, 0, brightness) i+=1 temp+=1 rgb_led.write() time.sleep_ms(delay)
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版权声明：本文为CSDN博主「路易斯720」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/weixin_74155302/article/details/131422960
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执行时间: 0.01084303855896 seconds
