How to make a simple remote control with a range of about 2 meters? It is best to use infrared sensors and ultrasonic sensors. Others are also very welcome. Thank you masters. I need it urgently! ! ! ...
I recently wrote a program, and the card reading part is based on the code of MF500 DEMO. But I found a problem when reading the card. When there are multiple cards, each card can be read and written....
I have been debugging 430 these days, and it is required to use IO interrupt to wake up the system. I have summarized the following experiences, which should be paid attention to when using IO port in...
Items that should be checked after PCB wiring is completed! Before, I didn’t know what to check after making PCB. Finally, I found more comprehensive information!...
if(!mallco_dev.memmap[memx][offset])cmemb++;//The number of consecutive empty memory blocks increases. I don't understand why memmap is a two-dimensional array. u16 *memmap[SRAMBANK]; This is defined ...