Micropython ESP32开发板之控制WS28128 LED彩灯

Micropython开发ESP32开发板之控制WS28128 LED彩灯

from machine import Pin
import neopixel,time
 
pin = Pin(15,Pin.OUT)
#1、传递引脚；2、灯珠数量；3、设备几种颜色，3种或者4种；4、频率，0=400K,1=800KHz
np=neopixel.NeoPixel(pin,n=9,bpp=3,timing=1)
 
#黄色，绿色，红色，蓝色，紫色,黄色，绿色，红色，蓝色
r_code=[255,0,255,65,160,255,0,255,65]
g_code=[255,255,0,105,32,255,255,0,105]
b_code=[0,0,0,255,240,0,0,0,255]
 
def main():
    np.fill((0,0,0))
    np.write()
    
    while True:
        #np[5]=(0,255,0)
        #np.write()
        
        for i in range(0,9,1):
            np[i]=(255,255,i*8)
            np.write()
            time.sleep_ms(10)
            np.fill((0,0,0))
            np.write()
            
        for j in range(0,9,1):
            np[j]=(r_code[j],g_code[j],b_code[j])
            np.write()
            time.sleep_ms(10)
            np.fill((0,0,0))
            np.write()
 
if __name__=="__main__":
    main()