Project description
Code
Arduino based Automatic School Bell System
h
1//Program to 2 3#include <Wire.h> 4 5#include<EEPROM.h> 6 7#include 8 "RTClib.h" 9 10#include <LiquidCrystal.h> 11 12LiquidCrystal lcd(13, 12, 13 6, 5, 4, 3);// Pins used for RS,E,D4,D5,D6,D7 14 15RTC_DS1307 rtc; 16 17char* 18 mySubject[]={"MATHS", "ENG","BIO","PHY","CHEM","IT LAB","HIST","GEO"}; 19 20char 21 daysOfTheWeek[7][12] = {"SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT"}; 22 23int 24 subject[7]; 25 26int buzzer=A4;//Pin declare for buzzer control at pin number 27 24 of arduino mega 28 29int b1 = A0; // the number of the pushbutton pin 30 31int 32 b2 = A1; // the number of the LED pin 33 34int 35 b3 = A2; // the number of the LED pin 36 37int b4 = A3; // the number 38 of the LED pin 39 40int bS1 = 0; 41 42int bS2 = 0; 43 44int 45 bS3 = 0; 46 47int bS4 = 0; 48 49int newTime,newHour,prevTime=0,prevHour=0,a=0,hoursE=0,hoursH=0, 50 countTime=60; 51 52int i=0,j=0,k=0,var,nextSUB=0,value,pos=0,periodtime=0,starttime=0,endtime=0,totaltime=0,break1=0,break2=0; 53 54 55int monA=6,tueA=12,wedA=17,thuA=22,friA=27,satA=32,brk1,brk2,noPeriod=0; 56 57int 58 HOUR,MINUT,SECOND,timeH,timeM,setT=0,breakR=0; 59 60 61 62byte Aalpha[8] ={ 63 0b00000, 64 65 0b01110, 66 67 0b10001, 68 69 70 0b11111, 71 72 0b10001, 73 74 0b10001, 75 76 77 0b00000, 78 79 0b00000 80 81 }; 82 83 84 byte Balpha[8]={ 0b00000, 85 86 0b11100, 87 88 0b10010, 89 90 91 0b11100, 92 93 0b10010, 94 95 0b11100, 96 97 98 0b00000, 99 100 0b00000}; 101 102 byte 103 Calpha[8]={ 0b00000, 104 105 0b01110, 106 107 0b10000, 108 109 110 0b10000, 111 112 0b10000, 113 114 0b01110, 115 116 117 0b00000, 118 119 0b00000}; 120 121 122 byte Dalpha[8] ={ 0b00000, 123 124 0b11100, 125 126 0b10010, 127 128 129 0b10010, 130 131 0b10010, 132 133 0b11100, 134 135 136 0b00000, 137 138 0b00000}; 139 140 byte Ealpha[8] 141 ={0b00000, 142 143 0b11110, 144 145 0b10000, 146 147 148 0b11100, 149 150 0b10000, 151 152 0b11110, 153 154 155 0b00000, 156 157 0b00000}; 158 159 byte Falpha[8] 160 ={0b00000, 161 162 0b11110, 163 164 0b10000, 165 166 167 0b11100, 168 169 0b10000, 170 171 0b10000, 172 173 174 0b00000, 175 176 0b00000}; 177 178 byte 179 Galpha[8]={0b00000, 180 181 0b01110, 182 183 0b10000, 184 185 186 0b10110, 187 188 0b10010, 189 190 0b01110, 191 192 193 0b00000, 194 195 0b00000}; 196 197 byte 198 Halpha[8] ={ 0b00000, 199 200 0b10001, 201 202 0b10001, 203 204 205 0b11111, 206 207 0b10001, 208 209 0b10001, 210 211 212 0b00000, 213 214 0b00000}; 215 216 byte 217 Ialpha[8]={0b00000, 218 219 0b01110, 220 221 0b00100, 222 223 224 0b00100, 225 226 0b00100, 227 228 0b01110, 229 230 231 0b00000, 232 233 0b00000}; 234 235 byte 236 Lalpha[8]={ 0b00000, 237 238 0b10000, 239 240 0b10000, 241 242 243 0b10000, 244 245 0b10000, 246 247 0b11110, 248 249 250 0b00000, 251 252 0b00000}; 253 254 byte 255 Malpha[8] ={ 0b00000, 256 257 0b10001, 258 259 0b11011, 260 261 262 0b10101, 263 264 0b10001, 265 266 0b10001, 267 268 269 0b00000, 270 271 0b00000}; 272 273 274 byte Nalpha[8] ={0b00000, 275 276 0b10001, 277 278 0b11001, 279 280 281 0b10101, 282 283 0b10011, 284 285 0b10001, 286 287 288 0b00000, 289 290 0b00000}; 291 292 byte 293 Oalpha[8]={ 0b00000, 294 295 0b01110, 296 297 0b10001, 298 299 300 0b10001, 301 302 0b10001, 303 304 0b01110, 305 306 307 0b00000, 308 309 0b00000}; 310 311 byte 312 Palpha[8]={ 0b00000, 313 314 0b11100, 315 316 0b10010, 317 318 319 0b11100, 320 321 0b10000, 322 323 0b10000, 324 325 326 0b00000, 327 328 0b00000}; 329 330 331 byte Ralpha[8]={ 0b00000, 332 333 0b11110, 334 335 0b10001, 336 337 338 0b11110, 339 340 0b10100, 341 342 0b10010, 343 344 345 0b00000, 346 347 0b00000}; 348 349 350 byte Salpha[8] ={ 0b00000, 351 352 0b01110, 353 354 0b10000, 355 356 357 0b01110, 358 359 0b00001, 360 361 0b01110, 362 363 364 0b00000, 365 366 0b00000}; 367 368 byte 369 Talpha[8] ={0b00000, 370 371 0b11111, 372 373 0b00100, 374 375 376 0b00100, 377 378 0b00100, 379 380 0b00100, 381 382 383 0b00000, 384 385 0b00000}; 386 387 388 389 390 byte Ualpha[8]={ 0b00000, 391 392 0b10001, 393 394 0b10001, 395 396 397 0b10001, 398 399 0b10001, 400 401 0b01110, 402 403 404 0b00000, 405 406 0b00000}; 407 408 409 byte Walpha[8] ={ 0b00000, 410 411 0b10001, 412 413 0b10001, 414 415 416 0b10101, 417 418 0b11011, 419 420 0b10001, 421 422 423 0b00000, 424 425 0b00000}; 426 427 byte 428 Yalpha[8]={ 0b00000, 429 430 0b10001, 431 432 0b10001, 433 434 435 0b01010, 436 437 0b00100, 438 439 0b00100, 440 441 442 0b00000, 443 444 0b00000}; 445 446 447 448 449 byte next[8]={0b00000, 450 451 0b10000, 452 453 0b01000, 454 455 456 0b00100, 457 458 0b01000, 459 460 0b10000, 461 462 463 0b00000, 464 465 0b00000 466 467 }; 468 469 470 471void setup() { 472 473 Wire.begin(); 474 475 476 rtc.begin(); 477 478 Serial.begin(9600); //Software serial initialization 479 480 481 pinMode(b1, INPUT); 482 483 pinMode(b2, INPUT); 484 485 pinMode(b3, INPUT); 486 487 488 pinMode(b4, INPUT); 489 490 pinMode( buzzer, OUTPUT ); 491 492 digitalWrite( 493 buzzer, LOW ); 494 495 lcd.begin(16,2); 496 497 lcd.setCursor(0,0); 498 499 500 lcd.print("Engineers Garage"); 501 502 lcd.setCursor(0,1); 503 504 lcd.print(" 505 TIME TABLE "); 506 507 delay(3000); 508 509 if (! rtc.isrunning()) { 510 511 512 Serial.println("RTC is NOT running!"); 513 514 // following line sets the 515 RTC to the date & time this sketch was compiled 516 517 rtc.adjust(DateTime(F(__DATE__), 518 F(__TIME__))); 519 520 } 521 522 delay(3000); 523 524 lcd.clear(); 525 526lcd.setCursor(0,0); 527 528lcd.print(" 529 ENTER ALL INFO "); 530 531lcd.setCursor(0,1); 532 533lcd.print(" YES* NO# 534 "); 535 536} 537 538 539void loop() { 540 541bS1 = digitalRead(b1); 542 543bS2 544 = digitalRead(b2); 545 546bS3 = digitalRead(b3); 547 548bS4 = digitalRead(b4); 549 550 551if(bS1==LOW){ 552 553 554 pos=20; 555 556 DateTime now =rtc.now(); 557 558 prevTime=now.minute(); 559 560 561 prevHour=now.hour(); 562 563 Serial.println(prevHour); 564 565 Serial.println(prevTime); 566 567 568 Serial.println(EEPROM.read(4)); 569 570 lcd.clear();} 571 572if(bS4==LOW){ 573 574 575 pos=30; 576 577 DateTime now =rtc.now(); 578 579 prevTime=now.minute(); 580 581 582 prevHour=now.hour(); 583 584 hoursE = EEPROM.read(4);//Period time delay 585 586 587 Serial.println(prevHour); 588 589 Serial.println(prevTime); 590 591 Serial.println(EEPROM.read(4)); 592 593 594 lcd.clear();} 595 596while(pos==20){ 597 598 pos=0; 599 600 delay(1000); 601 602 603 lcd.clear(); 604 605 while(pos==0){ 606 607 bS1 = digitalRead(b1); 608 609 610 bS2 = digitalRead(b2); 611 612 bS3 = digitalRead(b3); 613 614 bS4 = digitalRead(b4); 615 616 617 lcd.setCursor(0,0); 618 619 lcd.print("ENTER START TIME"); 620 621 if(bS1==LOW 622 && pos==0){ 623 624 lcd.setCursor(5,1); 625 626 starttime++; 627 628 printDigits2(starttime); 629 630 631 lcd.setCursor(8,1); 632 633 lcd.print("O' clock"); 634 635 EEPROM.write(5,starttime); 636 637 638 delay(200); 639 640 if(starttime==24) 641 642 starttime=0; 643 644 } 645 646 647 if(bS4==LOW && pos==0){ 648 649 prevHour=starttime; 650 651 lcd.setCursor(0,0); 652 653 654 lcd.print(" *****SAVED**** "); 655 656 EEPROM.write(0,starttime); 657 658 659 Serial.println(starttime); 660 661 delay(1000); 662 663 pos=1; 664 665 666 lcd.clear(); 667 668 break; 669 670 } 671 672 } 673 674 while(pos==1){ 675 676 677 bS1 = digitalRead(b1); 678 679 bS2 = digitalRead(b2); 680 681 bS3 = digitalRead(b3); 682 683 684 bS4 = digitalRead(b4); 685 686 lcd.setCursor(0,0); 687 688 lcd.print(" 689 ENTER END TIME "); 690 691 if(bS1==LOW && pos==1){ 692 693 694 695 lcd.setCursor(5,1); 696 697 698 endtime++; 699 700 printDigits2(endtime); 701 702 lcd.setCursor(7,1); 703 704 705 lcd.print("O' clock"); 706 707 delay(200); 708 709 if(endtime==24) 710 711 712 endtime=0; 713 714 } 715 716 if(bS4==LOW && pos==1){ 717 718 lcd.setCursor(0,0); 719 720 721 lcd.print(" *****SAVED**** "); 722 723 EEPROM.write(1,endtime); 724 725 726 Serial.println(endtime); 727 728 delay(1000); 729 730 pos=2; 731 732 733 lcd.clear(); 734 735 break; 736 737 } 738 739 } 740 741 while(pos==2){ 742 743 744 bS1 = digitalRead(b1); 745 746 bS2 = digitalRead(b2); 747 748 bS3 = digitalRead(b3); 749 750 751 bS4 = digitalRead(b4); 752 753 lcd.setCursor(0,0); 754 755 lcd.print(" 756 FIRST BRK TIME "); 757 758 if(bS1==LOW && pos==2){ 759 760 lcd.setCursor(5,1); 761 762 763 break1++; 764 765 printDigits2(break1); 766 767 lcd.setCursor(8,1); 768 769 770 lcd.print("minutes"); 771 772 delay(200); 773 774 if(break1==40) 775 776 777 break1=0; 778 779 } 780 781 if(bS4==LOW && pos==2){ 782 783 lcd.setCursor(0,0); 784 785 786 lcd.print(" *****SAVED**** "); 787 788 EEPROM.write(2,break1); 789 790 791 Serial.println(break1); 792 793 delay(1000); 794 795 pos=3; 796 797 798 lcd.clear(); 799 800 break; 801 802 } 803 804 } 805 806 while(pos==3){ 807 808 809 bS1 = digitalRead(b1); 810 811 bS2 = digitalRead(b2); 812 813 bS3 = digitalRead(b3); 814 815 816 bS4 = digitalRead(b4); 817 818 lcd.setCursor(0,0); 819 820 lcd.print("SECOND 821 BRK TIME "); 822 823 if(bS1==LOW && pos==3){ 824 825 lcd.setCursor(5,1); 826 827 828 break2++; 829 830 printDigits2(break2); 831 832 lcd.setCursor(8,1); 833 834 835 lcd.print("minutes"); 836 837 delay(200); 838 839 if(break2==40) 840 841 842 break2=0; 843 844 } 845 846 if(bS4==LOW && pos==3){ 847 848 lcd.setCursor(0,0); 849 850 851 lcd.print(" *****SAVED**** "); 852 853 EEPROM.write(3,break2); 854 855 856 Serial.println(break2); 857 858 delay(1000); 859 860 pos=4; 861 862 863 lcd.clear(); 864 865 break; 866 867 } 868 869 } 870 871/*Slection 872 of subject DAY wise*/ 873 874while(pos==4){ 875 876 bS1 = digitalRead(b1); 877 878 879 bS2 = digitalRead(b2); 880 881 bS3 = digitalRead(b3); 882 883 bS4 = digitalRead(b4); 884 885 886 lcd.setCursor(0,0); 887 888 lcd.print("SLCT MONDAY SUB "); 889 890 if(bS1==LOW 891 && pos==4){ 892 893 if(i>0){ 894 895 i--; 896 897 delay(400); 898 899 900 lcd.setCursor(6,1); 901 902 lcd.print(" "); 903 904 } 905 906 lcd.setCursor(6,1); 907 908 909 lcd.print(mySubject[i]); 910 911 } 912 913 if(bS2==LOW && pos==4){ 914 915 916 if(i<7){ 917 918 i++; 919 920 delay(400); 921 922 lcd.setCursor(6,1); 923 924 925 lcd.print(" "); 926 927 } 928 929 lcd.setCursor(6,1); 930 931 932 lcd.print(mySubject[i]); 933 934 } 935 936 if(bS4==LOW && pos==4){ 937 938 939 EEPROM.write(j+6,i); 940 941 lcd.setCursor(0,0); 942 943 lcd.print(" 944 *****SAVED**** "); 945 946 Serial.print(j+6); 947 948 Serial.println(i); 949 950 951 delay(1000); 952 953 lcd.clear(); 954 955 j++; 956 957 } 958 959if(bS3==LOW 960 && pos==4){ 961 962 lcd.setCursor(0,0); 963 964 lcd.print("*SUB SAVED 965 MON*"); 966 967 delay(1000); 968 969 lcd.setCursor(0,1); 970 971 lcd.print(" 972 THANK YOU "); 973 974 pos=5; 975 976 delay(3000); 977 978 lcd.clear(); 979 980 981 break; 982 983} 984 985 } 986 987 /*Subject selection for TUESDAY*/ 988 989 990 while(pos==5){ 991 992 bS1 = digitalRead(b1); 993 994 bS2 = digitalRead(b2); 995 996 997 bS3 = digitalRead(b3); 998 999 bS4 = digitalRead(b4); 1000 1001 lcd.setCursor(0,0); 1002 1003 1004 lcd.print("SLCT TUESDAY SUB"); 1005 1006 if(bS1==LOW && pos==5){ 1007 1008 1009 if(i>0){ 1010 1011 i--; 1012 1013 delay(400); 1014 1015 lcd.setCursor(6,1); 1016 1017 1018 lcd.print(" "); 1019 1020 } 1021 1022 lcd.setCursor(6,1); 1023 1024 lcd.print(mySubject[i]); 1025 1026 1027 } 1028 1029 if(bS2==LOW && pos==5){ 1030 1031 if(i<7){ 1032 1033 i++; 1034 1035 1036 delay(400); 1037 1038 lcd.setCursor(6,1); 1039 1040 lcd.print(" 1041 "); 1042 1043 } 1044 1045 lcd.setCursor(6,1); 1046 1047 lcd.print(mySubject[i]); 1048 1049 1050 } 1051 1052 if(bS4==LOW && pos==5){ 1053 1054 EEPROM.write(j+7,i); 1055 1056 1057 lcd.setCursor(0,0); 1058 1059 lcd.print(" *****SAVED**** "); 1060 1061 1062 Serial.print(j+7); 1063 1064 Serial.println(i); 1065 1066 delay(1000); 1067 1068 1069 lcd.clear(); 1070 1071 j++; 1072 1073 } 1074 1075if(bS3==LOW && pos==5){ 1076 1077 1078 lcd.setCursor(0,0); 1079 1080 lcd.print(" *SUB SAVED TUE* "); 1081 1082 1083 delay(1000); 1084 1085 lcd.setCursor(0,1); 1086 1087 lcd.print(" THANK 1088 YOU "); 1089 1090 pos=6; 1091 1092 delay(3000); 1093 1094 lcd.clear(); 1095 1096 1097 break; 1098 1099} 1100 1101 } 1102 1103/*Subject selection for WEDNESDAY*/ 1104 1105while(pos==6){ 1106 1107 1108 bS1 = digitalRead(b1); 1109 1110 bS2 = digitalRead(b2); 1111 1112 bS3 = digitalRead(b3); 1113 1114 1115 bS4 = digitalRead(b4); 1116 1117 lcd.setCursor(0,0); 1118 1119 lcd.print(" 1120 WEDNESDAY SUB "); 1121 1122 if(bS1==LOW && pos==6){ 1123 1124 if(i>0){ 1125 1126 1127 i--; 1128 1129 delay(400); 1130 1131 lcd.setCursor(6,1); 1132 1133 lcd.print(" 1134 "); 1135 1136 } 1137 1138 lcd.setCursor(6,1); 1139 1140 lcd.print(mySubject[i]); 1141 1142 1143 } 1144 1145 if(bS2==LOW && pos==6){ 1146 1147 if(i<7){ 1148 1149 i++; 1150 1151 1152 delay(400); 1153 1154 lcd.setCursor(6,1); 1155 1156 lcd.print(" 1157 "); 1158 1159 } 1160 1161 lcd.setCursor(6,1); 1162 1163 lcd.print(mySubject[i]); 1164 1165 1166 } 1167 1168 if(bS4==LOW && pos==6){ 1169 1170 EEPROM.write(j+7,i); 1171 1172 1173 lcd.setCursor(0,0); 1174 1175 lcd.print(" *****SAVED**** "); 1176 1177 1178 Serial.print(j+7); 1179 1180 Serial.println(i); 1181 1182 delay(1000); 1183 1184 1185 lcd.clear(); 1186 1187 j++; 1188 1189 } 1190 1191if(bS3==LOW && pos==6){ 1192 1193 1194 lcd.setCursor(0,0); 1195 1196 lcd.print(" *SUB SAVED WED* "); 1197 1198 1199 delay(1000); 1200 1201 lcd.setCursor(0,1); 1202 1203 lcd.print(" THANK 1204 YOU "); 1205 1206 pos=7; 1207 1208 delay(3000); 1209 1210 lcd.clear(); 1211 1212 1213 break; 1214 1215} 1216 1217 } 1218 1219 /*Subject selection for THUSDAY*/ 1220 1221while(pos==7){ 1222 1223 1224 bS1 = digitalRead(b1); 1225 1226 bS2 = digitalRead(b2); 1227 1228 bS3 = digitalRead(b3); 1229 1230 1231 bS4 = digitalRead(b4); 1232 1233 lcd.setCursor(0,0); 1234 1235 lcd.print(" 1236 SLT THUSDAY SUB "); 1237 1238 if(bS1==LOW && pos==7){ 1239 1240 if(i>0){ 1241 1242 1243 i--; 1244 1245 delay(400); 1246 1247 lcd.setCursor(6,1); 1248 1249 lcd.print(" 1250 "); 1251 1252 } 1253 1254 lcd.setCursor(6,1); 1255 1256 lcd.print(mySubject[i]); 1257 1258 1259 } 1260 1261 if(bS2==LOW && pos==7){ 1262 1263 if(i<7){ 1264 1265 i++; 1266 1267 1268 delay(400); 1269 1270 lcd.setCursor(6,1); 1271 1272 lcd.print(" 1273 "); 1274 1275 } 1276 1277 lcd.setCursor(6,1); 1278 1279 lcd.print(mySubject[i]); 1280 1281 1282 } 1283 1284 if(bS4==LOW && pos==7){ 1285 1286 EEPROM.write(j+7,i); 1287 1288 1289 lcd.setCursor(0,0); 1290 1291 lcd.print(" *****SAVED**** "); 1292 1293 1294 Serial.print(j+7); 1295 1296 Serial.println(i); 1297 1298 delay(1000); 1299 1300 1301 lcd.clear(); 1302 1303 j++; 1304 1305 } 1306 1307if(bS3==LOW && pos==7){ 1308 1309 1310 lcd.setCursor(0,0); 1311 1312 lcd.print(" *SUB SAVED THU* "); 1313 1314 1315 delay(1000); 1316 1317 lcd.setCursor(0,1); 1318 1319 lcd.print(" THANK 1320 YOU "); 1321 1322 pos=8; 1323 1324 delay(3000); 1325 1326 lcd.clear(); 1327 1328 1329 break; 1330 1331} 1332 1333 } 1334 1335 1336 /*Subject selection for FRIDAY*/ 1337 1338while(pos==8){ 1339 1340 1341 bS1 = digitalRead(b1); 1342 1343 bS2 = digitalRead(b2); 1344 1345 bS3 = digitalRead(b3); 1346 1347 1348 bS4 = digitalRead(b4); 1349 1350 lcd.setCursor(0,0); 1351 1352 lcd.print(" 1353 SLT FRIDAY SUB "); 1354 1355 if(bS1==LOW && pos==8){ 1356 1357 if(i>0){ 1358 1359 1360 i--; 1361 1362 delay(400); 1363 1364 lcd.setCursor(6,1); 1365 1366 lcd.print(" 1367 "); 1368 1369 } 1370 1371 lcd.setCursor(6,1); 1372 1373 lcd.print(mySubject[i]); 1374 1375 1376 } 1377 1378 if(bS2==LOW && pos==8){ 1379 1380 if(i<7){ 1381 1382 i++; 1383 1384 1385 delay(400); 1386 1387 lcd.setCursor(6,1); 1388 1389 lcd.print(" 1390 "); 1391 1392 } 1393 1394 lcd.setCursor(6,1); 1395 1396 lcd.print(mySubject[i]); 1397 1398 1399 } 1400 1401 if(bS4==LOW && pos==8){ 1402 1403 EEPROM.write(j+7,i); 1404 1405 1406 lcd.setCursor(0,0); 1407 1408 lcd.print(" *****SAVED**** "); 1409 1410 1411 Serial.print(j+7); 1412 1413 Serial.println(i); 1414 1415 delay(1000); 1416 1417 1418 lcd.clear(); 1419 1420 j++; 1421 1422 } 1423 1424if(bS3==LOW && pos==8){ 1425 1426 1427 lcd.setCursor(0,0); 1428 1429 lcd.print(" *SUB SAVED FRI* "); 1430 1431 1432 delay(1000); 1433 1434 lcd.setCursor(0,1); 1435 1436 lcd.print(" THANK 1437 YOU "); 1438 1439 pos=9; 1440 1441 delay(3000); 1442 1443 lcd.clear(); 1444 1445 1446 break; 1447 1448} 1449 1450 } 1451 1452 /*Subject selection for SATURDAY*/ 1453 1454while(pos==9){ 1455 1456 1457 bS1 = digitalRead(b1); 1458 1459 bS2 = digitalRead(b2); 1460 1461 bS3 = digitalRead(b3); 1462 1463 1464 bS4 = digitalRead(b4); 1465 1466 lcd.setCursor(0,0); 1467 1468 lcd.print("SLT 1469 SATURDAY SUB "); 1470 1471 if(bS1==LOW && pos==9){ 1472 1473 if(i>0){ 1474 1475 1476 i--; 1477 1478 delay(400); 1479 1480 lcd.setCursor(6,1); 1481 1482 lcd.print(" 1483 "); 1484 1485 } 1486 1487 lcd.setCursor(6,1); 1488 1489 lcd.print(mySubject[i]); 1490 1491 1492 } 1493 1494 if(bS2==LOW && pos==9){ 1495 1496 if(i<7){ 1497 1498 i++; 1499 1500 1501 delay(400); 1502 1503 lcd.setCursor(6,1); 1504 1505 lcd.print(" 1506 "); 1507 1508 } 1509 1510 lcd.setCursor(6,1); 1511 1512 lcd.print(mySubject[i]); 1513 1514 1515 } 1516 1517 if(bS4==LOW && pos==9){ 1518 1519 EEPROM.write(j+7,i); 1520 1521 1522 lcd.setCursor(0,0); 1523 1524 lcd.print(" *****SAVED**** "); 1525 1526 1527 Serial.print(j+7); 1528 1529 Serial.println(i); 1530 1531 delay(1000); 1532 1533 1534 lcd.clear(); 1535 1536 j++; 1537 1538 } 1539 1540if(bS3==LOW && pos==9){ 1541 1542 1543 lcd.setCursor(0,0); 1544 1545 lcd.print(" *SUB SAVED SAT* "); 1546 1547 1548 delay(1000); 1549 1550 lcd.setCursor(0,1); 1551 1552 lcd.print(" THANK 1553 YOU "); 1554 1555 pos=30; 1556 1557 delay(3000); 1558 1559 lcd.clear(); 1560 1561 1562 break; 1563 1564} 1565 1566 } 1567 1568 1569 1570 /*READING ALL THE DATA FROM 1571 THE INTERNAL EEPROM*/ 1572 1573 starttime = EEPROM.read(0); 1574 1575 endtime 1576 = EEPROM.read(1); 1577 1578 break1 = EEPROM.read(2); 1579 1580 break2 = EEPROM.read(3); 1581 1582 1583 hoursE = EEPROM.read(4);//Period time delay 1584 1585 int totalbreak=break1+ break2; 1586 1587 1588 //totaltime=((endtime-starttime)*10 - totalbreak); 1589 1590 totaltime=((endtime-starttime)*60-totalbreak); 1591 1592 1593 periodtime=totaltime/5; 1594 1595 EEPROM.write(4,periodtime); 1596 1597 Serial.println(EEPROM.read(4)); 1598 1599 1600 pos=30; 1601 1602} 1603 1604 while(pos==30){ 1605 1606 DateTime now =rtc.now(); 1607 1608 1609 hoursH=EEPROM.read(0);//start time in hour 1610 1611 newHour = now.hour(); 1612 1613 1614 newTime = now.minute(); 1615 1616//if(newHour == hoursH && newTime == 0){ 1617 1618 1619 if(newHour == hoursH && newTime <= 60){ 1620 1621 prevTime=now.minute(); 1622 1623 1624 lcd.setCursor(0,0); 1625 1626 lcd.print(" CLASS STARTED "); 1627 1628 lcd.setCursor(0,1); 1629 1630 1631 lcd.print(" "); 1632 1633 delay(3000); 1634 1635 lcd.clear(); 1636 1637 1638 while(1){ 1639 1640 matchDAY(); 1641 1642 } 1643 1644} 1645 1646else{ 1647 1648 1649 lcd.setCursor(0,0); 1650 1651 lcd.print(" Waiting for... "); 1652 1653 lcd.setCursor(5,1); 1654 1655 1656 printDigits2(hoursH); 1657 1658 lcd.setCursor(8,1); 1659 1660 lcd.print("O' Clock");} 1661 1662 1663 } 1664 1665} 1666 1667 1668 1669void matchDAY(){ 1670 1671 DateTime now =rtc.now(); 1672 1673 1674 //Monday subject display 1675 1676while(now.dayOfTheWeek()== 1){ 1677 1678 currentTIME(); 1679 1680 1681 matchTIM(); 1682 1683 1684 1685 value = EEPROM.read(monA); 1686 1687 ALLDays(now.dayOfTheWeek()); 1688 1689 1690 lcd.setCursor(0,0); 1691 1692 lcd.print(mySubject[value]); 1693 1694 if(noPeriod==2 1695 && breakR==0){ 1696 1697 brk1=EEPROM.read(2); 1698 1699 lcd.setCursor(0,0); 1700 1701 1702 lcd.print("***BREAK TIME***"); 1703 1704 while(1){ 1705 1706 currentTIME(); 1707 1708 1709 if(newTime == prevTime + brk1){ 1710 1711 prevTime=prevTime+brk1; 1712 1713 1714 Serial.print("Break1"); 1715 1716 Serial.println(prevTime); 1717 1718 1719 noPeriod=0; 1720 1721 breakR=1; 1722 1723 lcd.clear(); 1724 1725 1726 break; 1727 1728 } 1729 1730 } 1731 1732 } 1733 1734 1735 if(noPeriod==1 && breakR==2){ 1736 1737 breakR=0; 1738 1739 lcd.clear(); 1740 1741 1742 endsession(); 1743 1744 while(1){ 1745 1746 //End of the session 1747 1748 1749 } 1750 1751 } 1752 1753 //hoursE 1754 1755 if(noPeriod==2 && breakR==1){ 1756 1757 1758 brk2=EEPROM.read(3);//time delay 1759 1760 lcd.setCursor(0,0); 1761 1762 lcd.print("***BREAK 1763 TIME***"); 1764 1765 while(1){ 1766 1767 currentTIME(); 1768 1769 lcd.setCursor(11,0); 1770 1771 1772 printDigits2(newTime); 1773 1774 printDigits2(now.second()); 1775 1776 if(newTime== 1777 prevTime + brk2){ 1778 1779 prevTime=prevTime+brk2; 1780 1781 Serial.print("Break2"); 1782 1783 1784 Serial.println(prevTime); 1785 1786 noPeriod=0; 1787 1788 breakR=2; 1789 1790 1791 lcd.clear(); 1792 1793 break; 1794 1795 } 1796 1797 1798 } 1799 1800 } 1801 1802 else{ 1803 1804 1805 1806 nextSUB = EEPROM.read(monA+1); 1807 1808 1809 ALLSubjects(9); 1810 1811 if(noPeriod == 0 && breakR == 2) 1812 1813 ALLSubjects(8); 1814 1815 1816 else 1817 1818 ALLSubjects(nextSUB); 1819 1820 } 1821 1822 } 1823 1824 1825 // Tuesday subject display 1826 1827while(now.dayOfTheWeek()== 2){ 1828 1829 currentTIME(); 1830 1831 1832 matchTIM(); 1833 1834 1835 1836 value = EEPROM.read(tueA); 1837 1838 ALLDays(now.dayOfTheWeek()); 1839 1840 1841 lcd.setCursor(0,0); 1842 1843 lcd.print(mySubject[value]); 1844 1845 if(noPeriod==2 1846 && breakR==0){ 1847 1848 brk1=EEPROM.read(2); 1849 1850 lcd.setCursor(0,0); 1851 1852 1853 lcd.print("***BREAK TIME***"); 1854 1855 while(1){ 1856 1857 currentTIME(); 1858 1859 1860 if(newTime== prevTime + brk1){ 1861 1862 prevTime=prevTime+brk1; 1863 1864 1865 Serial.print("Break1"); 1866 1867 Serial.println(prevTime); 1868 1869 1870 noPeriod=0; 1871 1872 breakR=1; 1873 1874 lcd.clear(); 1875 1876 1877 break; 1878 1879 } 1880 1881 } 1882 1883 } 1884 1885 1886 if(noPeriod==1 && breakR==2){ 1887 1888 breakR=0; 1889 1890 endsession(); 1891 1892 1893 while(1){ 1894 1895 //End of the session 1896 1897 } 1898 1899 1900 } 1901 1902 if(noPeriod==2 && breakR==1){ 1903 1904 brk2=EEPROM.read(3);//time 1905 delay 1906 1907 lcd.setCursor(0,0); 1908 1909 lcd.print("***BREAK TIME***"); 1910 1911 1912 while(1){ 1913 1914 currentTIME(); 1915 1916 if(newTime== prevTime + brk2){ 1917 1918 1919 prevTime=prevTime+brk2; 1920 1921 Serial.print("Break2"); 1922 1923 Serial.println(prevTime); 1924 1925 1926 noPeriod=0; 1927 1928 breakR=2; 1929 1930 lcd.clear(); 1931 1932 1933 break; 1934 1935 } 1936 1937 } 1938 1939 } 1940 1941 1942 else{ 1943 1944 nextSUB = EEPROM.read(tueA+1); 1945 1946 ALLSubjects(9); 1947 1948 1949 if(noPeriod == 0 && breakR == 2) 1950 1951 ALLSubjects(8); 1952 1953 1954 else 1955 1956 ALLSubjects(nextSUB); 1957 1958 } 1959 1960 } 1961 1962 1963 1964 1965//Wednesday subject display 1966 1967while(now.dayOfTheWeek()== 3){ 1968 1969 1970 currentTIME(); 1971 1972 matchTIM(); 1973 1974 value = EEPROM.read(wedA); 1975 1976 1977 ALLDays(now.dayOfTheWeek()); 1978 1979 lcd.setCursor(0,0); 1980 1981 lcd.print(mySubject[value]); 1982 1983 1984 if(noPeriod==2 && breakR==0){ 1985 1986 brk1=EEPROM.read(2); 1987 1988 lcd.setCursor(0,0); 1989 1990 1991 lcd.print("***BREAK TIME***"); 1992 1993 while(1){ 1994 1995 currentTIME(); 1996 1997 1998 if(newTime== prevTime + brk1){ 1999 2000 prevTime=prevTime+brk1; 2001 2002 2003 Serial.print("Break1"); 2004 2005 Serial.println(prevTime); 2006 2007 2008 noPeriod=0; 2009 2010 breakR=1; 2011 2012 lcd.clear(); 2013 2014 2015 break; 2016 2017 } 2018 2019 } 2020 2021 } 2022 2023 2024 if(noPeriod==1 && breakR==2){ 2025 2026 breakR=0; 2027 2028 endsession(); 2029 2030 2031 while(1){ 2032 2033 //End of the session 2034 2035 } 2036 2037 2038 } 2039 2040 if(noPeriod==2 && breakR==1){ 2041 2042 brk2=EEPROM.read(3);//time 2043 delay 2044 2045 lcd.setCursor(0,0); 2046 2047 lcd.print("***BREAK TIME***"); 2048 2049 2050 while(1){ 2051 2052 currentTIME(); 2053 2054 if(newTime== prevTime + brk2){ 2055 2056 2057 prevTime=prevTime+brk2; 2058 2059 Serial.print("Break2"); 2060 2061 Serial.println(prevTime); 2062 2063 2064 noPeriod=0; 2065 2066 breakR=2; 2067 2068 lcd.clear(); 2069 2070 2071 break; 2072 2073 } 2074 2075 } 2076 2077 } 2078 2079 2080 else{ 2081 2082 nextSUB = EEPROM.read(wedA+1); 2083 2084 ALLSubjects(9); 2085 2086 2087 if(noPeriod == 0 && breakR == 2) 2088 2089 ALLSubjects(8); 2090 2091 2092 else 2093 2094 ALLSubjects(nextSUB); 2095 2096 } 2097 2098 } 2099 2100 2101// 2102 Thusday subject display 2103 2104while(now.dayOfTheWeek()== 4){ 2105 2106 currentTIME(); 2107 2108 2109 matchTIM(); 2110 2111 value = EEPROM.read(thuA); 2112 2113 ALLDays(now.dayOfTheWeek()); 2114 2115 2116 lcd.setCursor(0,0); 2117 2118 lcd.print(mySubject[value]); 2119 2120 if(noPeriod==2 2121 && breakR==0){ 2122 2123 brk1=EEPROM.read(2); 2124 2125 lcd.setCursor(0,0); 2126 2127 2128 lcd.print("***BREAK TIME***"); 2129 2130 while(1){ 2131 2132 currentTIME(); 2133 2134 2135 if(newTime== prevTime + brk1){ 2136 2137 prevTime=prevTime+brk1; 2138 2139 2140 Serial.print("Break1"); 2141 2142 Serial.println(prevTime); 2143 2144 2145 noPeriod=0; 2146 2147 breakR=1; 2148 2149 lcd.clear(); 2150 2151 2152 break; 2153 2154 } 2155 2156 } 2157 2158 } 2159 2160 2161 if(noPeriod==1 && breakR==2){ 2162 2163 breakR=0; 2164 2165 endsession(); 2166 2167 2168 while(1){ 2169 2170 //End of the session 2171 2172 } 2173 2174 2175 } 2176 2177 if(noPeriod==2 && breakR==1){ 2178 2179 brk2=EEPROM.read(3);//time 2180 delay 2181 2182 lcd.setCursor(0,0); 2183 2184 lcd.print("***BREAK TIME***"); 2185 2186 2187 while(1){ 2188 2189 currentTIME(); 2190 2191 if(newTime== prevTime + brk2){ 2192 2193 2194 prevTime=prevTime+brk2; 2195 2196 Serial.print("Break2"); 2197 2198 Serial.println(prevTime); 2199 2200 2201 noPeriod=0; 2202 2203 breakR=2; 2204 2205 lcd.clear(); 2206 2207 2208 break; 2209 2210 } 2211 2212 } 2213 2214 } 2215 2216 2217 else{ 2218 2219 nextSUB = EEPROM.read(thuA+1); 2220 2221 ALLSubjects(9); 2222 2223 2224 if(noPeriod == 0 && breakR == 2) 2225 2226 ALLSubjects(8); 2227 2228 2229 else 2230 2231 ALLSubjects(nextSUB); 2232 2233 } 2234 2235 } 2236 2237 2238 2239 2240 2241 //Friday subject display 2242 2243while(now.dayOfTheWeek()== 5){ 2244 2245 2246 currentTIME(); 2247 2248 matchTIM(); 2249 2250 value = EEPROM.read(friA); 2251 2252 2253 ALLDays(now.dayOfTheWeek()); 2254 2255 lcd.setCursor(0,0); 2256 2257 lcd.print(mySubject[value]); 2258 2259 2260 if(noPeriod==2 && breakR==0){ 2261 2262 brk1=EEPROM.read(2); 2263 2264 lcd.setCursor(0,0); 2265 2266 2267 lcd.print("***BREAK TIME***"); 2268 2269 while(1){ 2270 2271 currentTIME(); 2272 2273 2274 if(newTime== prevTime + brk1){ 2275 2276 prevTime=prevTime+brk1; 2277 2278 2279 Serial.print("Break1"); 2280 2281 Serial.println(prevTime); 2282 2283 2284 noPeriod=0; 2285 2286 breakR=1; 2287 2288 lcd.clear(); 2289 2290 2291 break; 2292 2293 } 2294 2295 } 2296 2297 } 2298 2299 2300 if(noPeriod==1 && breakR==2){ 2301 2302 breakR=0; 2303 2304 endsession(); 2305 2306 2307 while(1){ 2308 2309 //End of the session 2310 2311 } 2312 2313 2314 } 2315 2316 if(noPeriod==2 && breakR==1){ 2317 2318 brk2=EEPROM.read(3);//time 2319 delay 2320 2321 lcd.setCursor(0,0); 2322 2323 lcd.print("***BREAK TIME***"); 2324 2325 2326 while(1){ 2327 2328 currentTIME(); 2329 2330 if(newTime== prevTime + brk2){ 2331 2332 2333 prevTime=prevTime+brk2; 2334 2335 Serial.print("Break2"); 2336 2337 Serial.println(prevTime); 2338 2339 2340 noPeriod=0; 2341 2342 breakR=2; 2343 2344 lcd.clear(); 2345 2346 2347 break; 2348 2349 } 2350 2351 } 2352 2353 } 2354 2355 2356 else{ 2357 2358 nextSUB = EEPROM.read(friA+1); 2359 2360 ALLSubjects(9); 2361 2362 2363 if(noPeriod == 0 && breakR == 2) 2364 2365 ALLSubjects(8); 2366 2367 2368 else 2369 2370 ALLSubjects(nextSUB); 2371 2372 } 2373 2374 } 2375 2376 2377 2378 2379 2380 //Saturday subject display 2381 2382while(now.dayOfTheWeek()== 6){ 2383 2384 2385 currentTIME(); 2386 2387 matchTIM(); 2388 2389 value = EEPROM.read(satA); 2390 2391 2392 ALLDays(now.dayOfTheWeek()); 2393 2394 lcd.setCursor(0,0); 2395 2396 lcd.print(mySubject[value]); 2397 2398 2399 if(noPeriod==2 && breakR==0){ 2400 2401 brk1=EEPROM.read(2); 2402 2403 lcd.setCursor(0,0); 2404 2405 2406 lcd.print("***BREAK TIME***"); 2407 2408 while(1){ 2409 2410 currentTIME(); 2411 2412 2413 if(newTime== prevTime + brk1){ 2414 2415 prevTime=prevTime+brk1; 2416 2417 2418 Serial.print("Break1"); 2419 2420 Serial.println(prevTime); 2421 2422 2423 noPeriod=0; 2424 2425 breakR=1; 2426 2427 lcd.clear(); 2428 2429 2430 break; 2431 2432 } 2433 2434 } 2435 2436 } 2437 2438 2439 if(noPeriod==1 && breakR==2){ 2440 2441 breakR=0; 2442 2443 endsession(); 2444 2445 2446 while(1){ 2447 2448 //End of the session 2449 2450 } 2451 2452 2453 } 2454 2455 if(noPeriod==2 && breakR==1){ 2456 2457 brk2=EEPROM.read(3);//time 2458 delay 2459 2460 lcd.setCursor(0,0); 2461 2462 lcd.print("***BREAK TIME***"); 2463 2464 2465 while(1){ 2466 2467 currentTIME(); 2468 2469 if(newTime== prevTime + brk2){ 2470 2471 2472 prevTime=prevTime+brk2; 2473 2474 Serial.print("Break2"); 2475 2476 Serial.println(prevTime); 2477 2478 2479 noPeriod=0; 2480 2481 breakR=2; 2482 2483 lcd.clear(); 2484 2485 2486 break; 2487 2488 } 2489 2490 } 2491 2492 } 2493 2494 2495 else{ 2496 2497 nextSUB = EEPROM.read(satA+1); 2498 2499 ALLSubjects(9); 2500 2501 2502 if(noPeriod == 0 && breakR == 2) 2503 2504 ALLSubjects(8); 2505 2506 2507 else 2508 2509 ALLSubjects(nextSUB); 2510 2511 } 2512 2513 } 2514 2515} 2516 2517 2518 2519 2520void 2521 currentTIME(){ 2522 2523 lcd.setCursor(6,1); 2524 2525 lcd.print(" "); 2526 2527 DateTime 2528 now = rtc.now(); 2529 2530 lcd.setCursor(8,1); 2531 2532 printDigits2(HOUR=now.hour()); 2533 2534 2535 lcd.print(":"); 2536 2537 newHour=now.hour(); 2538 2539 printDigits2(MINUT=now.minute()); 2540 2541 2542 lcd.print(":"); 2543 2544 newTime = now.minute(); 2545 2546 printDigits2(SECOND=now.second()); 2547 2548 2549 2550 delay(800); 2551 2552 currentDAY(); 2553 2554 delay(800); 2555 2556} 2557 2558 2559void currentDAY(){ 2560 2561 2562 DateTime now = rtc.now(); 2563 2564 lcd.setCursor(6,1); 2565 2566 printDigits2(now.day()); 2567 2568 2569 lcd.print("/"); 2570 2571 printDigits2(now.month()); 2572 2573 lcd.print("/"); 2574 2575 2576 lcd.print(now.year(),DEC); 2577 2578 2579} 2580 2581 2582 2583void matchTIM(){ 2584 2585 2586 DateTime now =rtc.now(); 2587 2588 int tempTime = prevTime + hoursE; 2589 2590 if(tempTime 2591 >=60){ 2592 2593 tempTime = tempTime - 60; 2594 2595 } 2596 2597 else 2598 2599 tempTime 2600 = prevTime + hoursE; 2601 2602if(newTime == tempTime){ 2603 2604 prevTime=now.minute(); 2605 2606 2607 Serial.print("MatchTime"); 2608 2609 Serial.println(prevTime); 2610 2611 if(now.dayOfTheWeek()==1){ 2612 2613 2614 digitalWrite( buzzer, HIGH ); 2615 2616 delay(3000); 2617 2618 digitalWrite( 2619 buzzer, LOW ); 2620 2621 monA++; 2622 2623 noPeriod++; 2624 2625 lcd.setCursor(0,0); 2626 2627 2628 lcd.print(" "); 2629 2630 } 2631 2632 if(now.dayOfTheWeek()==2){ 2633 2634 2635 digitalWrite( buzzer, HIGH ); 2636 2637 delay(3000); 2638 2639 digitalWrite( 2640 buzzer, LOW ); 2641 2642 tueA++; 2643 2644 noPeriod++; 2645 2646 lcd.setCursor(0,0); 2647 2648 2649 lcd.print(" "); 2650 2651 } 2652 2653 if(now.dayOfTheWeek()==3){ 2654 2655 2656 digitalWrite( buzzer, HIGH ); 2657 2658 delay(3000); 2659 2660 digitalWrite( 2661 buzzer, LOW ); 2662 2663 wedA++; 2664 2665 noPeriod++; 2666 2667 lcd.setCursor(0,0); 2668 2669 2670 lcd.print(" "); 2671 2672 } 2673 2674 if(now.dayOfTheWeek()==4){ 2675 2676 2677 digitalWrite( buzzer, HIGH ); 2678 2679 delay(3000); 2680 2681 digitalWrite( 2682 buzzer, LOW ); 2683 2684 thuA++; 2685 2686 noPeriod++; 2687 2688 lcd.setCursor(0,0); 2689 2690 2691 lcd.print(" "); 2692 2693 } 2694 2695 if(now.dayOfTheWeek()==5){ 2696 2697 2698 digitalWrite( buzzer, HIGH ); 2699 2700 delay(3000); 2701 2702 digitalWrite( 2703 buzzer, LOW ); 2704 2705 friA++; 2706 2707 noPeriod++; 2708 2709 lcd.setCursor(0,0); 2710 2711 2712 lcd.print(" "); 2713 2714 } 2715 2716 if(now.dayOfTheWeek()==6){ 2717 2718 2719 digitalWrite( buzzer, HIGH ); 2720 2721 delay(3000); 2722 2723 digitalWrite( 2724 buzzer, LOW ); 2725 2726 satA++; 2727 2728 noPeriod++; 2729 2730 lcd.setCursor(0,0); 2731 2732 2733 lcd.print(" "); 2734 2735 } 2736 2737} 2738 2739} 2740 2741 2742//this 2743 void function is really useful; it adds a "0" to the beginning of the number, 2744 2745 2746//so that 5 minutes is displayed as "05", rather than "5 " 2747 2748void 2749 printDigits2(int digits) 2750 2751{ 2752 2753 if(digits < 10) 2754 2755 { 2756 2757 2758 lcd.print("0"); 2759 2760 lcd.print(digits); 2761 2762 } 2763 2764 else 2765 2766 2767 { 2768 2769 lcd.print(digits); 2770 2771 } 2772 2773} 2774 2775 2776 2777//char* mySubject[]={"MATHS", 2778 "ENG","BIO","PHY","CHEM","IT LAB","HIST","GEO"}; 2779 2780void ALLSubjects(int 2781 sub) 2782 2783{ 2784 2785 switch(sub) 2786 2787 { 2788 2789 case 0: 2790 2791 lcd.createChar(1,Malpha); 2792 2793 2794 lcd.createChar(2,Aalpha); 2795 2796 lcd.createChar(3,Talpha); 2797 2798 2799 lcd.createChar(4,Halpha); 2800 2801 lcd.setCursor(0,1); 2802 2803 2804 lcd.write(1); 2805 2806 lcd.setCursor(1,1); 2807 2808 lcd.write(2); 2809 2810 2811 lcd.setCursor(2,1); 2812 2813 lcd.write(3); 2814 2815 lcd.setCursor(3,1); 2816 2817 2818 lcd.write(4);break; 2819 2820 case 1: 2821 2822 lcd.setCursor(0,1); 2823 2824 2825 lcd.write(" "); 2826 2827 delay(50); 2828 2829 lcd.createChar(1,Ealpha); 2830 2831 2832 lcd.createChar(2,Nalpha); 2833 2834 lcd.createChar(3,Galpha); 2835 2836 2837 lcd.setCursor(0,1); 2838 2839 lcd.write(1); 2840 2841 lcd.setCursor(1,1); 2842 2843 2844 lcd.write(2); 2845 2846 lcd.setCursor(2,1); 2847 2848 lcd.write(3);break; 2849 2850 2851 //char* mySubject[]={"MATHS", "ENG","BIO","PHY","CHEM","IT LAB","HIST","GEO"}; 2852 2853 2854 case 2: 2855 2856 lcd.setCursor(0,1); 2857 2858 lcd.write(" 2859 "); 2860 2861 delay(50); 2862 2863 lcd.createChar(1,Balpha); 2864 2865 2866 lcd.createChar(2,Ialpha); 2867 2868 lcd.createChar(3,Oalpha); 2869 2870 2871 lcd.setCursor(0,1); 2872 2873 lcd.write(1); 2874 2875 lcd.setCursor(1,1); 2876 2877 2878 lcd.write(2); 2879 2880 lcd.setCursor(2,1); 2881 2882 lcd.write(3);break; 2883 2884 2885 case 3: 2886 2887 lcd.setCursor(0,1); 2888 2889 lcd.write(" "); 2890 2891 2892 delay(50); 2893 2894 lcd.createChar(1,Palpha); 2895 2896 lcd.createChar(2,Halpha); 2897 2898 2899 lcd.createChar(3,Yalpha); 2900 2901 lcd.setCursor(0,1); 2902 2903 2904 lcd.write(1); 2905 2906 lcd.setCursor(1,1); 2907 2908 lcd.write(2); 2909 2910 2911 lcd.setCursor(2,1); 2912 2913 lcd.write(3);break; 2914 2915 //char* 2916 mySubject[]={"MATHS", "ENG","BIO","PHY","CHEM","IT LAB","HIST","GEO"}; 2917 2918 2919 case 4: 2920 2921 lcd.setCursor(0,1); 2922 2923 lcd.write(" 2924 "); 2925 2926 delay(50); 2927 2928 lcd.createChar(1,Calpha); 2929 2930 2931 lcd.createChar(2,Halpha); 2932 2933 lcd.createChar(3,Ealpha); 2934 2935 2936 lcd.createChar(4,Malpha); 2937 2938 lcd.setCursor(0,1); 2939 2940 2941 lcd.write(1); 2942 2943 lcd.setCursor(1,1); 2944 2945 lcd.write(2); 2946 2947 2948 lcd.setCursor(2,1); 2949 2950 lcd.write(3); 2951 2952 lcd.setCursor(3,1); 2953 2954 2955 lcd.write(4);break; 2956 2957 2958 2959 case 5: 2960 2961 lcd.createChar(1,Ialpha); 2962 2963 2964 lcd.createChar(2,Talpha); 2965 2966 lcd.setCursor(0,1); 2967 2968 2969 lcd.write(1); 2970 2971 lcd.setCursor(1,1); 2972 2973 lcd.write(2);break; 2974 2975 2976 2977 2978 case 6: 2979 2980 lcd.setCursor(0,1); 2981 2982 lcd.write(" 2983 "); 2984 2985 delay(50); 2986 2987 lcd.createChar(1,Halpha); 2988 2989 2990 lcd.createChar(2,Ialpha); 2991 2992 lcd.createChar(3,Salpha); 2993 2994 2995 lcd.createChar(4,Talpha); 2996 2997 lcd.setCursor(0,1); 2998 2999 3000 lcd.write(1); 3001 3002 lcd.setCursor(1,1); 3003 3004 lcd.write(2); 3005 3006 3007 lcd.setCursor(2,1); 3008 3009 lcd.write(3); 3010 3011 lcd.setCursor(3,1); 3012 3013 3014 lcd.write(4);break; 3015 3016 //char* mySubject[]={"MATHS", "ENG","BIO","PHY","CHEM","IT 3017 LAB","HIST","GEO"}; 3018 3019 case 7: 3020 3021 lcd.setCursor(0,1); 3022 3023 3024 lcd.write(" "); 3025 3026 delay(50); 3027 3028 lcd.createChar(1,Galpha); 3029 3030 3031 lcd.createChar(2,Ealpha); 3032 3033 lcd.createChar(3,Oalpha); 3034 3035 3036 lcd.setCursor(0,1); 3037 3038 lcd.write(1); 3039 3040 lcd.setCursor(1,1); 3041 3042 3043 lcd.write(2); 3044 3045 lcd.setCursor(2,1); 3046 3047 lcd.write(3);break; 3048 3049 3050 case 8: 3051 3052 lcd.setCursor(0,1); 3053 3054 lcd.write(" "); 3055 3056 3057 delay(50); 3058 3059 lcd.createChar(1,Ealpha); 3060 3061 lcd.createChar(2,Nalpha); 3062 3063 3064 lcd.createChar(3,Dalpha); 3065 3066 lcd.setCursor(0,1); 3067 3068 3069 lcd.write(1); 3070 3071 lcd.setCursor(1,1); 3072 3073 lcd.write(2); 3074 3075 3076 lcd.setCursor(2,1); 3077 3078 lcd.write(3);break; 3079 3080 3081 case 9: 3082 3083 lcd.createChar(8,next); 3084 3085 lcd.setCursor(5,1); 3086 3087 3088 lcd.write(8); 3089 3090 delay(1000); 3091 3092 lcd.setCursor(5,1); 3093 3094 3095 lcd.write(" "); 3096 3097 delay(1000);break; 3098 3099 default:break; 3100 3101 3102 } 3103 3104} 3105 3106 3107void ALLDays(int dey) 3108 3109{ 3110 3111 switch(dey) 3112 3113 3114 { 3115 3116 case 0://sun 3117 3118 lcd.createChar(5,Salpha); 3119 3120 lcd.createChar(6,Ualpha); 3121 3122 3123 lcd.createChar(7,Nalpha); 3124 3125 lcd.setCursor(7,0); 3126 3127 3128 lcd.write(5); 3129 3130 lcd.setCursor(8,0); 3131 3132 lcd.write(6); 3133 3134 3135 lcd.setCursor(9,0); 3136 3137 lcd.write(7);var=1;break; 3138 3139 3140 case 1://mon 3141 3142 lcd.createChar(5,Malpha); 3143 3144 lcd.createChar(6,Oalpha); 3145 3146 3147 lcd.createChar(7,Nalpha); 3148 3149 lcd.setCursor(7,0); 3150 3151 3152 lcd.write(5); 3153 3154 lcd.setCursor(8,0); 3155 3156 lcd.write(6); 3157 3158 3159 lcd.setCursor(9,0); 3160 3161 lcd.write(7);var=2;break; 3162 3163 3164 case 2://tue 3165 3166 lcd.createChar(5,Talpha); 3167 3168 lcd.createChar(6,Ualpha); 3169 3170 3171 lcd.createChar(7,Ealpha); 3172 3173 lcd.setCursor(7,0); 3174 3175 3176 lcd.write(5); 3177 3178 lcd.setCursor(8,0); 3179 3180 lcd.write(6); 3181 3182 3183 lcd.setCursor(9,0); 3184 3185 lcd.write(7);var=3;break; 3186 3187 3188 3189 3190 case 3://wed 3191 3192 lcd.createChar(5,Walpha); 3193 3194 3195 lcd.createChar(6,Ealpha); 3196 3197 lcd.createChar(7,Dalpha); 3198 3199 3200 lcd.setCursor(7,0); 3201 3202 lcd.write(5); 3203 3204 lcd.setCursor(8,0); 3205 3206 3207 lcd.write(6); 3208 3209 lcd.setCursor(9,0); 3210 3211 lcd.write(7);var=4;break; 3212 3213 3214 case 4://thu 3215 3216 lcd.createChar(5,Talpha); 3217 3218 lcd.createChar(6,Halpha); 3219 3220 3221 lcd.createChar(7,Ualpha); 3222 3223 lcd.setCursor(7,0); 3224 3225 3226 lcd.write(5); 3227 3228 lcd.setCursor(8,0); 3229 3230 lcd.write(6); 3231 3232 3233 lcd.setCursor(9,0); 3234 3235 lcd.write(7);var=5;break; 3236 3237 3238 case 5://fri 3239 3240 lcd.createChar(5,Falpha); 3241 3242 lcd.createChar(6,Ralpha); 3243 3244 3245 lcd.createChar(7,Ialpha); 3246 3247 lcd.setCursor(7,0); 3248 3249 3250 lcd.write(5); 3251 3252 lcd.setCursor(8,0); 3253 3254 lcd.write(6); 3255 3256 3257 lcd.setCursor(9,0); 3258 3259 lcd.write(7);var=6;break; 3260 3261 3262 case 6://sat 3263 3264 lcd.createChar(5,Salpha); 3265 3266 lcd.createChar(6,Aalpha); 3267 3268 3269 lcd.createChar(7,Talpha); 3270 3271 lcd.setCursor(7,0); 3272 3273 3274 lcd.write(5); 3275 3276 lcd.setCursor(8,0); 3277 3278 lcd.write(6); 3279 3280 3281 lcd.setCursor(9,0); 3282 3283 lcd.write(7);var=7;break; 3284 3285 3286 default:break; 3287 3288 } 3289 3290} 3291 3292 3293void endsession(){ 3294 3295 3296 lcd.setCursor(0,0); 3297 3298 lcd.print(" Session End "); 3299 3300 lcd.setCursor(0,1); 3301 3302 3303 lcd.print(" Good Luck :) "); 3304 3305 delay(3000); 3306 3307}
Downloadable files
Arduino based Automatic School Bell System
Arduino based Automatic School Bell System
Arduino based Automatic School Bell System
Arduino based Automatic School Bell System
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TechnicalEngineer
3 Followers
•25 Projects
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Anonymous user
6 years ago
I commend you for good job. Please I want to add mp3 df player to this project so that it can tell purpose of ringing.