I started preparing the gateway for openwrt. I had no choice but to find a router to flash it. I have to say that openwrt is a good open source project. Friends who want to play with Linux but don't h
The damage caused by static electricity to electronic components and equipment cannot be ignored in winter. Why do production lines invest so much in anti-static measures? It is because they are afrai
I use the DRV8301 chip to control a brushless DC motor, but after I finished it, only the upper tube has PWM wave output, but the lower tube has no output. Please answer
I'm so depressed. My system is Win 8. When I add a package library to Protel 99E, it always prompts "This is not a standard file". Every time I draw a board, I have to import my own package library. I
There are many multi-serial port cards on the market now, but they all need to be used with the help of PC as the platform. I want to have a multi-serial port card; its function is to have a 25Hz inte