[size=4]When the frequency is constant, the larger the capacitance, the smaller the capacitive reactance; the smaller the capacitive reactance, the lower the frequency that passes. [/size] [size=4]The
In the past few years, the craze for smart wearables has faded by half. After repeated market baptism, some popular wearable device manufacturers have ended up bankrupt or acquired, but there are also
The lower computer mainly outputs 1mA constant current to AIN5, but I don't know why the output current is inaccurate. When it is within 200uA, the actual measurement is very accurate, but when it exc
[font="][size=11.0pt]Almost every embedded device has a debugging serial port. In some scenarios, it is inconvenient to connect to the PC with a physical cable, and a wireless connection is required.