由下图可知，08芯片输出管脚与PIN_____、PIN_____、PIN_____、PIN_____相连。[img=506x465]17e448751fae10f.jpg[/img]
举一反三
- 从“Waiting for PIN”与“Validating PIN”之间的转换需要经过（ABCD）事件 A: PIN Entered B: Validate PIN C: Invalid PIN D: Invalid PIN Prompte
- Arduino怎么将引脚设置为输出。 A: pinMode(pin,OUTPUT) B: pinMode(pin,INPUT) C: digitalWrite(pin,HIGH) D: analogWrite(pin,num)
- 怎么用Arduino输出占空比为0.5的pwm波。 A: analogWrite(pin,123) B: analogWrite(pin,126) C: analogWrite(pin,127) D: analogWrite(pin,128)
- A technician is installing a printer that uses a parallel cable to connect to a computer. Which of the following pin configurations might the technician encounter？ （） A: 9 pin D-type B: 36 pin Centronics C: 25 pin Centronics D: 13 pin D-type E: 25 pin D-type
- 下列哪种引脚称为三态引脚?: 发射极开路输出引脚(Open Emitter Pin).|被动式引脚(Passive Pin)。|集电极开路输出引脚(Open Collector Pin)。|高阻抗引脚(HiZ Pin)。