How come rosin is considered a "conductor" in high-frequency circuits? I heard that rosin is considered a "conductor" in high-frequency circuits. What kind of high frequency does this "conductor" have
Event details: [Anxinke NB-IoT development board EC-01F-Kit]Updated to 2022-01-25Evaluation report summary:@oxygen_sh[Anxinke NB-IoT Development Board EC-01F-Kit] Part 4: Low Power Consumption Charact
At lunch, I received a prize from the forum, a Sony radio, which was really beautiful and exquisite.So I happily plugged it in to try it out, but I didn’t expect the radio wasn’t set up properly. It o
To paste an image on a Button of a form, or set a background image, please don't tell me to use CBitmapButton, and then use LoadBitmaps(). This class does not exist on WINDOWS CE. What method should I