[size=14px]Let me describe my problem. There is a main form, which is WINDOW. Click the query button of the main form, and a subform pops up. [/size] [size=14px]There is an edit box control on the sub...
[align=left]Electromagnetic interference EMI can be roughly divided into two types: "conducted noise" and "radiated noise". Among them, conducted noise can be divided into "differential mode (normal m...
Low Voltage PLD/FPGA Power Supply DesignDue to the semiconductor manufacturing process, low-voltage devices have lower costs and better performance than traditional 5V devices. In addition, the I/O pi...
??The National Academy of Engineering of the United States recently announced the list of new academicians, and a total of three Chinese scholars were selected. In the previous issue of this magazine,...
Most modern PCs no longer have physical COM ports. However, many hardware setups still use UART for logging, diagnostics, and application control. The alternative is to use a USB device that appears a...
/***************************************************************************IAR environment, HD7279A, P4.0~CS, P4.1~CLK, P4.2~DATA, P4,3~KAY,DATA is the serial port data port, the timing diagram is as...