Prepare UART TTL to RS485 . communication circuit DB9 port You wire as shown. Here I use S7-200 CPU226 with 2 communication ports. إلعب واربح Here you do not need to attach the resistor. Then attach DB9 port to Port 0 of … Continued
Prepare UART TTL to RS485 . communication circuit DB9 port You wire as shown. Here I use S7-200 CPU226 with 2 communication ports. ربح المال من الانترنت مجانا Here you do not need to attach the resistor. Then attach DB9 port to … Continued
Servo SG90 control principle You guys often use the Arduino library to control the SG90, so sometimes I don’t pay attention to the principle, so did I before. Its principle is easy to understand: Generate a PWM pulse with a … Continued
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