????? LED顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)異(yi)步(bu)控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)又稱LED顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)脫機控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)或脫機卡。主(zhu)要用來顯(xian)(xian)示(shi)(shi)(shi)各種(zhong)文(wen)字(zi)(zi)、符(fu)號和圖(tu)形或動畫(hua)為主(zhu)。畫(hua)面(mian)顯(xian)(xian)示(shi)(shi)(shi)信息(xi)由計(ji)算機編輯,經RS232/485串行口預先置入(ru)LED顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)的幀(zhen)存儲器,然后逐(zhu)屏(ping)(ping)顯(xian)(xian)示(shi)(shi)(shi)播放,循環往復,顯(xian)(xian)示(shi)(shi)(shi)方式(shi)豐富多彩(cai),變化多樣。其(qi)主(zhu)要特(te)點是:操作簡單、價格低廉、使用范圍較廣。LED顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)簡易異(yi)步(bu)控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)只(zhi)可以(yi)顯(xian)(xian)示(shi)(shi)(shi)數字(zi)(zi)時鐘、文(wen)字(zi)(zi)、特(te)殊字(zi)(zi)符(fu)。LED顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)圖(tu)文(wen)異(yi)步(bu)控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)除具有簡易控(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)的功(gong)能外(wai),最大的特(te)點是可以(yi)分區域控(kong)(kong)制(zhi)(zhi)顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)幕內容。支(zhi)持模擬時鐘顯(xian)(xian)示(shi)(shi)(shi)、倒計(ji)時、圖(tu)片、表格及動畫(hua)顯(xian)(xian)示(shi)(shi)(shi)。具有定時開關機、溫度控(kong)(kong)制(zhi)(zhi)、濕度控(kong)(kong)制(zhi)(zhi)等功(gong)能