Now it is possible to send data from the computer to the microcontroller via ch340 to serial port, and the microcontroller communicates via serial port and sends data to another computer via ch9328. S
The first program starts with flashing lights. Before programming, you need to install the development software, including IDE and compiler (you can refer to this post: https://en.eeworld.com/bbs/thre
Power supply competition questions have always been a must-have topic in the electrical competition every year. From the previous competition questions, we can see that "power supply" competition ques
[size=4] MOS tube is an ESD sensitive device. Its input resistance is very high, and the gate-source capacitance is very small. Therefore, it is very easy to be charged by the induction of external el
The following mechanical parts are used to fix X, Y, Z and spindle motors. They are all measured by me manually and calculated and calibrated. They are only applicable to this CNC engraving machine. D