Note: After reading the test questions of a domestic electronic engineer, I feel that the domestic emphasis is on practice. I don't know whether they know the reason and the reason. Therefore, I am po
[i=s]This post was last edited by paulhyde on 2014-9-15 09:20[/i] Hello brothers, I am now trying to make a simple digital frequency meter. It is a question from 1997. Does anyone have relevant inform
Are you busy going to the toilet, shutting down the computer, drinking water? Staring blankly, waiting for the time to come? Summarizing the work of the day and thinking about tomorrow's plan? No matt
I am making a smart electronic thermometer, which requires low power consumption and a system current of less than 0.3 mA. I cannot use SMD components. The only way I know is to use MOS tubes for all