[font=Tahoma]Hello everyone, the circuit below is a sine-rotating AC signal processing circuit. May I ask 1) What are the functions of C54 and C55? Do R29 and C54 form a low-pass filter circuit? 2) Wh
[font=宋体][size=3][color=#000000]It took me a long time to install EPLAN P82.1 successfully. Let me share the installation method with you. Download the word document in the attachment. [/color][/size]
Check gprs attachment, it is already attached. Check and register to local network. Then set conType, GPRS0, apn to cmnet, srv and conId are also set. Then check SICI? The returned ip is 0. Please sol
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I have been working on the power supply of mc34063 recently, and I have encountered some problems... The circuits in the official datasheet manual: problems encountered in step-down, step-up, and pola