Agilent 87050E 50-Ohm Multiport Test Sets

使用gpio引脚外接两个并联5欧姆电阻，一路电阻串接发光二极管 ，实现对发光二极管的控制-Gpio pin external use two parallel 5 ohm resistor in series resistance all the way to the light-emitting diodes, light-emitting diodes to achieve control