单项选择题
Arduino UNO/Nano主控板,下列程序执行后,串口监视器中显示的值是()
A.0.50 2.50 48B.0.50 2 0C.0 2.50 48D.0 2.50 0
A.analogWriteB.digitalWriteC.pulseInD.pulseOut
A.AB.BC.CD.D