主要是模擬8051電路板上LED顯示器.透過vb程式.經由RS232去傳送信號到電路板上.模擬出與VB介面顯示地動作相同-The main circuit board 8051 are simulated LED display. Through vb program. Go through the RS232 transmit signals to the circuit board. Simulate the interface with the VB show to the same ac