I recently opened a USB composite device. Background description: 1) The HID keyboard and HID Remote share an interface, and the description report IDs are different. The keyboard uses ID 1, and the H...
1. Introduction
I have come into contact with Hongmeng before, but I didn't know much about it at that time. Now Hongmeng has become powerful, and there are more tutorials. I feel that I can get start...
Universal forum friend:
1. Have you ever seen that during the use of AD9, some device pins in the schematic diagram occasionally appear to be floating when not in use, and when updating the PCB, it re...
[i=s]This post was last edited by qwqwqw2088 on 2020-5-11 11:40[/i]1. Component placement TheClass D amplifier generates PWM pulses, the speaker terminals are bridge-tied load configuration, and the s...
Thank you, moderator.Moderator also knows that I am definitely not a microwave researcher. The thing is this: our experiment requires that one microwave be equally divided into two paths, and then one...
[i=s]This post was last edited by zjqmyron on 2019-12-2 09:33[/i]How is the 4-20mA output circuit of pressure sensor and temperature sensor usually implemented?How competitive is this GP8102 solution?...