[i=s]This post was last edited by ddllxxrr on 2022-1-27 21:32[/i]Semaphores are used to coordinate the running order between threads, or to synchronize threads.
The semaphore of RT_THREAD NANO is simp
The company has selected a photoelectric switch, the information is as follows:I would like to ask everyone how to choose the optocoupler?
Can I ask how to choose an optocoupler?
Use TI 74HC4052 4-channel analog switch (voltage support 2~6V) to switch the serial port channels;
Both the MCU and 74HC4052 are powered by 3.3V power supply. One of the eight 74HC4052 chips is not wo
The waveform of the PSIM simulation circuit is inconsistent with that in the data. According to the data, the waveform will be distorted when the input signal frequency is 10K and 100K. As shown in th