This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
参考设计的输出5V管脚1,2分别是什么?管脚2是不是GND?
Hi
就是connector J4的1脚和2脚,1脚是5V, 2脚是GND.
请问U1的GND和J4的GND必须要分开,不能接到一起对吧?