I would like to ask, how to choose the capacitance of the filter capacitor after the diode full-wave rectifier? The power supply voltage is 4000V, the current is 30A, and the frequency is 400Hz. I hav...
How to add a ComboBox control to a column of GridData in wince program? I have been working on it for a day but still can't figure it out. And the selected value also needs to be involved in the calcu...
As the title says, I want to find a 430 with a real-time clock module. Is there any quick way? I can't just look at the datasheet one by one. Is it distinguished by the suffix or the number? It's best...
As the title says, I want to hear everyone's thoughts. I didn't fall in love early when I was in school, and I regret it{:1_146:}, but I find it a bit strange to see junior high school couples (averag...
Industrial Loop-Powered Transmitter System Principles and Trends Contemporary field instruments, also known as smart transmitters, are microprocessor-based intelligent field instruments used to monito...