I use two GPIOs in the battery drive to detect whether a USB or AC charger is inserted, that is, there are three states: USB charging, AC charger charging, and battery power. When charging with a USB
[size=14px]Ubuntu 16.04 [/size]Compile C++ program. Error: expected class-name before '{' token { The error location uses the inherited class CompressedDepthSubm: public CompressedDepthSubscriber libr
[i=s] This post was last edited by chenwenyu on 2015-4-9 09:56 [/i] I want to completely isolate the AC signal (50HZ) of err-in (see the attached circuit diagram) and let the DC signal pass through. I
[i=s]This post was last edited by henangongda-123 on 2018-7-30 16:31[/i] [color=#444444][font=Tahoma,]Hello, everyone! After more than half a month of improvement, my [DIY multi-function 12864 LCD dis
According to sound design practices, optocouplers provide effective insulation for medical devices, protecting patients from potential leakage current hazards. Medical diagnostic, measurement and trea
I made two atmega8 minimum system boards. Why do they output square waves after each definition? Is it necessary to set the fuse position to 4M when using an external crystal oscillator?