I use a buzzer to receive sound. After receiving the signal, I want to transmit it wirelessly. How do I convert the audio signal into a digital signal? Is there a module that I can use?
I use TL16c550 to communicate with DSp asynchronously, but there is a problem. The query method works, but why doesn't the interrupt method work? I slowly figured it out, but I don't understand it ver
The following program was modified from the code in a tutorial. After adjusting it for 2 days, it still doesn't work. I'm really worried. I hope you can give me more advice, thank you #include
GPIO_In
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i] UPS can provide users with data preservation or continuous work after power failure, so UPS is widely used by users in governmen
I listened to the traffic radio on the way to work. Today's topic was "What is the fastest thing in the world?" Someone answered, "The fastest thing is time. In the blink of an eye, the people born in
[size=3]The problem is this: I have a PCB project that has been completed, and several network names in the schematic files are globally connected. [/size] [size=3]Now I want to expand multiple groups