One invents serial printer through software to receive the data of instrument , the other sends the information to seek - caller 其中一個(gè)串口用軟件虛擬串行打印機(jī),接收數(shù)字地震儀的信息數(shù)據(jù);另一個(gè)串口用于向?qū)ず粝到y(tǒng)發(fā)送尋呼信息。
This device use great switch power supply which can give 100a , atmel 89c52 8 bit microcontroller , 192 * 64 lcd , a / d7135 , and serial port printer , to print and save the testing data . comparing to the traditional method this device has high testing accuracy and high testing speed to fit the testing requirement 本文采用可輸出100a的大功率開關(guān)電源, atme189c52八位單片機(jī), 192 * 64大屏幕點(diǎn)陣式液晶顯示器, 41 2高精度a d轉(zhuǎn)換器icl7135 ,并配有串行打印機(jī),可以將實(shí)時(shí)的測量數(shù)據(jù)進(jìn)行打印、保存。