The schematic diagram is as above. The voltage level at RELAY1 varies, and the right end of R54 is always more than 4V. Can an expert tell me where the problem is? Thank you!...
"Embedded Linux Free Experience Class" (1 day) What to do on the May 1 holiday this year? Participate in the Embedded Linux Free Experience Event! ————————Limited places, limited to 12 people, first c...
Don't worry! There is a path to success! If you can demonstrate, or even better, provide a prototype to a customer and get real feedback on the value of your innovation, your chances of commercial suc...
1. Battery interface Maple's battery interface uses the most commonly used 2mm pitch connector.When connecting, pay attention to the positive and negative directions. The positive and negative symbols...
How do I run this small program on the digital tube? It also displays an error. Please give me some advice! #include
#includeunsigned char const TABLER[]={0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,...
I am preparing to apply for an innovative experimental project. I am a college student. The project is about a simple anti-theft system for the garage. Do you have any good suggestions? ? ?...