I have a PDA device called MC3000. I use C# for development. Now I have a major problem. The data cannot be synchronized to the PDA device. There is an error when executing PULL. I think there is some
I have encountered a bottleneck in my graduation project, but my supervisor is too busy. So I would like to ask for help from all the experts here~ The content is that the countdown time of the green
1. Gate circuit plus passive crystal oscillator can form an oscillation circuit, and the frequency can reach M level. 2. Wien bridge can generate a sine wave oscillation circuit, but the frequency is
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When AC current is overloaded, the AC voltage applied to the load and the AC current passing through the load will have a phase difference, from which people derive the concept of power factor. The el