I changed the corners of the wire to rounded ones but there was no response. I want to lay it out in the form of Figure 2: rounded corners and widened where it connects to the copper clad layer. How s...
I can recognize the chip in Keil but cannot download the program. It keeps saying that I cannot access the memory. However, I cannot connect to it using ST LINK Unity. Does this mean that my chip is b...
【Renovation of old things】 Finished product of graffiti desk lamp - DIY/Open Source Hardware Zone - Electronic Engineering World - Forum (eeworld.com.cn)
The lamp tube is back today. I replaced it wit...
Now I have built a high-frequency oscillation circuit using a transistor with a frequency of 2.5M. However, the amplitude of the waveform generated is different at different temperatures. I personally...
I have been debugging the network port recently, and there are many strange things. After the first board was debugged, I debugged the second board. I used the same method as the first board, but it a...