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.
本人画的电路图,
HIDI2C:P3.0(UCB0SDA) 接 DN(D-)接1.5K电阻3.3V拉高,低速usb。烧写HIDI2C键盘程序。PC没有识别usb
2:usb连接,上图虚线灰色部分丢弃,插上usb,PC也无法识别