Last time, I used the interrupt method to read the key code to improve efficiency, but there was also a small problem. After CH450 scans the key, it will pull down a low-level pulse on the INT pin. My...
[i=s]This post was last edited by Aguilera on 2018-8-19 22:06[/i] Recently, many friends in the group have asked questions about CMD. There are indeed many problems in engineering caused by poor CMD c...
2803x and 2806x use CAN communication for online program upgrade. The idea is that the program is divided into boot program and main program. The boot program jumps to the main program. Both programs ...
[align=center][/align] [size=4]Now the country is pushing for new energy vehicles (or electric cars, if you will). In Beijing, gasoline cars can’t get license plates at all, and new energy vehicles ha...
My family member was stabbed twice: once in the head and once in the left hand.At that time, the treatment in the emergency room was as follows:craniocerebral injury;impaired consciousness for 5 hours...