Speaking of the wireless control method of smart home, it is closely related to the development of wireless technology. With the rapid development of science and technology, wireless technology has al
After downloading the program via USB, I cut off the power, connected the serial port to the development board, and the power indicator light was slightly on, but the program did not run.
When I opene
[i=s]This post was last edited by sfcsdc on 2021-5-12 17:54[/i]The 485 transceiver on one side is powered by 3.3V;
The 485 transceiver on one side is powered by 5V;there is data loss during communicat
Given that the output voltage is 12V and the maximum input voltage is 42V, find the value of L1.
According to BUCK MODE, L1=(12*(42-12))/(42*300000*1.2)
The document says L1=28UH, but no matter how I