Hi everyone,I have a hardware problem with STM32G474RE on startup. If I try to supply this MCU directly from the lab power supply, it runs correctly, but when I have dips or drops or fast switching on the supply, I notice that the MCU doesn't start. ...

Hi, I built my QR flyback supply for master diploma in study but I have issue with startup. When I'm starting from low voltage the transformer get strange noises to circle about 160V but I'don't have power on output, on 230V transformer is very silen...