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
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
[Undergraduate Group]
1. Instrument and Equipment List
Digital oscilloscope (500MHz, dual channel)
Oscilloscope with Z-axis input terminal (100MHz)
Function generator (50 MHz, dual channel)
Arbitrary
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
In a world full of uncertainty, technology is driving people forward. The rise of the Internet of Things fully proves this. In the IoT system, a large number of interconnected devices with unique iden