I haven't been to the forum for a long time. I almost forgot which administrator gave me this board. It has been gathering dust for almost a year. It's a pity for such a good board to gather dust. I'l...
Connect a 30V DC power supply and output 25V AC. How should the capacitance of the two capacitors be selected? ? ? ? ? When I open SW1 in the first half cycle and SW2 in the second half cycle, how muc...
As the title says, what's going on? I remember not seeing it before, but there was no message reminder. Yesterday, I used my phone and got a reminder, so I saw a short message from a few months ago th...
[font=宋体]The Sensortag Design Competition has finally come to an end. After a rigorous selection process, the first, second, third and participation prizes were finally selected. The list of winners i...
[align=left][size=3]First of all, I would like to warmly celebrate the tenth anniversary of EEWORLD. Time flies. I registered EEWORLD in 2008 and have always been interested in electronic production. ...
There is no operating system, and the timer interrupt method is used. Now I want KL46 to enter low-power mode after each interrupt is generated and the business is processed, and then wake up after ea...