The following is a C language program #include#define uchar unsigned char; uchar code scan_con[]={0x03,0x02,0x01,0x00}; //define column scan uchardispcode[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x
If I turn up the volume (i.e. the load increases), the 5V output of my DCDC will jump to below 3.9V (12V adapter). I would like to ask if anyone has encountered a similar situation and how to improve
PCM63P is a precision 20-bit D/A converter produced by BB Company of the United States with ultra-low distortion performance ( maximum full-scale output is -93dB) . It can be used in low-distortion fr
I want to use ARM to do a wireless communication project, but I don't know some ideas. I connect a GPRS module (such as Siemens MC55) to the serial port of my ARM board, and a camera to the USB port o
As soon as I click on "You have new short message", the page immediately returns to the login page and says that I have not logged in yet. Why is this?
I drew a draft of the micro-bit. I don't want the original gold finger. I just want the 100mil spacing of the headers!51822 parts directly use the ready-made modules![b][color=#5E7384]This content is