The readers of this magazine all have a certain basic knowledge of electronics. Video signals are the display signals we are most exposed to, but you may not know all kinds of video signals. Because t
[color=rgb(0,0,0)][font=宋体][size=12px][b]GEAK Magic Ring released with 99-year standby time[/b][size=14px][size=12px] [p=25, null, center][size=14px]On June 17, Shanda's Guokr Electronics released the
In CircuitPython, there is a driver library rotaryio with a rotary encoder. Using a rotary encoder, you only need to connect to any two GPIOs to read the position of the rotary encoder.As shown in the
Everything was normal in DEBUG. After leaving the emulator, it stopped working.After changing the MCU, it became normal.Is there something wrong with the circuit?