[i=s]This post was last edited by elec32156 on 2021-11-25 20:20[/i]The circuit is shown in the figure:
It is known that Rb = 10KΩ, Rc = 1KΩ, Vcc = 12V, Uz of Dz is 4V, Iz = 5mA, Izmax = 25mA; transist...
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I have a TI official Bluetooth PCB made by Cadence. Since I have never used it, I want to convert it to Altium Designer. I have searched for tutorials online but failed. Can any brother help me conver...
I was debugging a design board recently and found a problem when testing the serial port: there was no problem with the max3223 level conversion chip, but when I switched to sp3223, the serial port ou...
It feels so troublesome. I need to zoom out the picture, and then move it with the cross (note that there is a small cross on the left side of the picture, I want to move the buzzer in the middle) as ...
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