The schematic diagram of the circuit is shown below.Simplified circuit of switch circuit
Before the circuit is powered on, the switch "TEST" is turned off and the microcontroller is not powered by VCC...
[:)] If you find it, please share it. Use of soldering iron -------------------------------------------------- -------------------------- 12.1 Welding process Basic requirements: ① Familiar with the i...
[i=s]This post was last edited by jinglixixi on 2020-12-8 13:28[/i]Initially, the plan was to use digital sensors to design a device with home environment detection and prompt functions, but the milli...
[i=s]This post was last edited by Digital Leaf on 2021-6-17 22:00[/i]I was going to write SPI_FLASH read and write operations, but I found that I had to write QSPI_FLASH first, because after using RT-...