I would like to ask you a question. The five outputs of the DC power supply in the picture above are + - ground + -. To power the circuit board in the picture, it is marked with 12v and GND, but I mea...
I recently used SHT75 and found a problem:
As long as the wire is extended, the reading will be wrong.
Remove the extended wire and you can measure normally.
The wiring is only 20cm long. After wiring...
[indent][align=left]Speaking of the difficulties of switching power supplies, PCB layout is not a big problem, but it is definitely one of the difficulties of switching power supplies if you want to l...
Making a simple circuit as shown in the figure.
Remove R107, and the voltage of pins 7 and 6 will be the same as that of pin 5.
Connected to R107, Uo has no output.
What is the reason for this?...
[i=s]This post was last edited by hello_mcu on 2021-8-9 22:26[/i]1. OverviewThis is my first time to experience silicon chips. I applied for the EFM32PG22 development board, which is very small but ha...