000 00622nam a2200169Ia 4500
008 141108s9999 xx 000 0 und d
082 _a4.16
100 _aAPARNA M AND JAYASHREE B
245 _aATMEL 89C51 MICROCONTROLLER BASED HARDWARE MODELLING OF MESSAGING SERVICE FOR HANDICAPPED PERSONS(DEAF/DUMB) OVER TELEPHONE LINE
563 _aSOFT
590 _aUG
650 _aMESSAGING UNIT USING IN LCD.ASCII CODES ARE GIVEN TO LCD AND WELL CONVERTED IN TO CORRESPONDING DTMF SIGNALS
652 _aMICROCONTROLLERS
700 _f2004
_5SSNCE
_aMr.C.THIRUVENKATESAN
_bECE 90
852 _aCENTRAL LIBRARY
942 _cPR
999 _c62263
_d62263