We can say that the program memory stores the soul of the microcontroller, which is the working program. The smallest one may be only 1KB (it can only hold 1024 8-bit data at most, because there are m...
I2C bus physical topologyThe I2C bus is very simple in terms of physical connection, and consists of SDA (serial data line) and SCL (serial clock line) and pull-up resistors. The communication princip...
[i=s]This post was last edited by sonicfirr on 2022-3-8 11:30[/i]1. Data acquisitionAfter studying other bloggers' articles and my own practice, I learned that there are many links to 86 Panel's mater...
-The gap between the capacity of China Mobile's GSM system and that of China Unicom's GSM system is gradually widening. -China Mobile's investment in GSM networks in 2005 will be about 8% lower than...
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...