... pull test 张力试验 pull up resistor 负载电阻 Pulldown Menu 拉下式选单 ...
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Pull-up resistor 上拉电阻 ; 上拉电阻器 ; 提升电阻 ; [电] 负载电阻
pull -up resistor 下拉电阻
PULL-UP RESISTOR ANDZENER ARE OPTIONAL 上拉电阻器和齐纳二极管是可选的
P2 port connector at one end grounded keys 8 as input, of course, need to connect 8 10k resistor to the power supply as the pull-up resistor.
P 2口连接8个一端接地的按键作为输入，当然也需要连接8只10 K的电阻至电源作为上拉电阻。
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