If the voltage is input from point A and the circuit is disconnected and connected through an LED, what is the voltage at point B? I am a little confused...
[align=left][color=#000][font=微软雅黑][size=4] At present, electronic equipment used in various electronic equipment and systems still uses printed circuit boards as the main assembly method. Practice ha...
Is there any level conversion chip that can directly convert 8-way 24V signal to 5V or 3.3V? I don't want to use optocoupler because it takes up too much space....
After China Mobile and China Unicom used the 159 and 153 number segments respectively, the other two fixed network operators (operating fixed networks such as fixed lines and broadband), China Telecom...