PWM signal is a digital signal with a fixed period and variable duty cycle.
If the counter of Timer_A works in up-counting mode, the output adopts output mode 7 (reset/set mode)
Use register TAxCCR0 t
The Chinese company WCH sells a very affordable series of 8-bit microcontrollers under the name CH55x, which are based on the architecture of the 8051 and have a USB interface.The CH551 is priced at $
I have made similar circuits several times before, but in actual applications, the current limiting resistor and optocoupler were burned. I modified it myself based on the information I found on the I
[i=s]This post was last edited by qwqwqw2088 on 2020-4-26 07:22[/i]As smartphones become increasingly versatile, battery capacity is increasing, and at the same time, there is a demand for “charging i