https://tutorials-raspberrypi.com/connect-control-raspberry-pi-ws2812-rgb-led-strips/    这个图只是个示意图，如果灯比较少直接树莓派5V供电如果灯比较多，可以参看上图的外接供电 &n...

1获取温湿度D4-x信号线   #include<TroykaDHT.h>//типысенсоров:DHT11,DHT21,DHT22DHTdht(4,DHT11);voidsetup(){Serial.begin(9600);dht.begin();}voidloop()...