I used to use a serial Bluetooth module with AT command firmware, but now I have replaced it with a CSR BC417 module that supports Microsoft Bluetooth protocol stack. However, after putting it in, the...
The upper computer is a PC, programmed with VC++, and the lower computer uses DSP or ARM. Because the collected data are all instantaneous values, if the effective value needs to be calculated, is it ...
I should be one of the earliest readers of Mr. He's book. I remember three or four years ago, I went to Beihang Press to do some business. Mr. He gave me a neatly printed and bound manuscript and hope...
I want to make a digital control power supply LM358 +-12 volt dual power supply, R2 and sliding resistance ratio 3:1. When voltage is applied to the same direction end, the output end will be amplifie...