the pull down and pull up resistors are used to keep the pin in a stable state when e.g. no signal is on the line. you can imagine like allways ... ... <看更多>
Search
Search
the pull down and pull up resistors are used to keep the pin in a stable state when e.g. no signal is on the line. you can imagine like allways ... ... <看更多>
The answer depends on what you want the "default" configuration to be. For example, say you have a down-stream N-channel MOSFET, and you want it default off ... ... <看更多>
各位大大好小弟有個簡單的問題,但是真的鬼打牆百思不得其解就是Open drain circuit裡為什麼一定要放pull-up resistor? 示意圖如下: Vcc. ... <看更多>
Pull Up and Pull Down Resistors · A pull up circuit. Wire the GPIO pin to 3.3 volts through a large (10kΩ) resistor so that it always reads HIGH . · A pull down ... ... <看更多>
Feb 19, 2017 - Working Without a Pull-up/ Pull-down Resistor With Arduino: We can avoid using an external pull-up or pull-down resistors, simply by using ... ... <看更多>