[size=4] Bluetooth has always been a standard feature of smart devices, whether it is a smartphone, a laptop, or a tablet. With the development of mobile Internet, a large number of smart wearable dev
//Accept a byte subroutine, the exit is the received data R_DATA int RECEIVE() { int R_DATA=0,sz,i; *PFDATDIR=*PFDATDIR & 0xFFDF; //SDA is input *PFDATDIR=*PFDATDIR & 0xFFFE; //SCL is 0 delay(100); fo
I want to ask what is the function of the files folder under BSP? ? Does it generate any files after compiling the kernel? Or does it not participate in the compilation at all? ? I see that my files f
The internet was down for two days, and I started surfing today. The sensortile USB driver doesn't show up after I installed it, and I don't know why. At present, we can only debug the program. The fo
I want to make an electronic dictionary, but I don't know what system to use? My teacher recommended me to buy a QT210 development board, but I'm just learning ARM9, and I'm afraid it's not easy to ge
The device outputs a 0-2V DC, such as a 1.5V battery. How can I read it into the computer through the RS232 line? Then write a program in JAVA to display the voltage value on the screen? And can it be