1 EESchema Schematic File Version 4 2 EELAYER 26 0 3 EELAYER END 4 $Descr A4 11693 8268 5 encoding utf-8 6 Sheet 1 1 7 Title "" 8 Date "" 9 Rev "" 10 Comp "" 11 Comment1 "" 12 Comment2 "" 13 Comment3 "" 14 Comment4 "" 15 $EndDescr 16 $Comp 17 L Connector_Generic:Conn_01x22 PL1 18 U 1 1 621BBC68 19 P 2000 1000 20 AR Path="/621BBC68" Ref="PL1" Part="1" 21 AR Path="/61F2273C/621BBC68" Ref="PL?" Part="1" 22 AR Path="/621BBAD2/621BBC68" Ref="PL?" 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R CNN 849 F 2 "" H 9000 4800 50 0001 C CNN 850 F 3 "" H 9000 4800 50 0001 C CNN 851 1 9000 4800 852 1 0 0 -1 853 $EndComp 854 $Comp 855 L AcornElectronKeyboard:Keyswitch SW49 856 U 1 1 621C10A1 857 P 9600 3600 858 F 0 "SW49" H 9339 3519 50 0000 R CNN 859 F 1 "Left" H 9339 3428 50 0000 R CNN 860 F 2 "" H 9600 3600 50 0001 C CNN 861 F 3 "" H 9600 3600 50 0001 C CNN 862 1 9600 3600 863 1 0 0 -1 864 $EndComp 865 $Comp 866 L AcornElectronKeyboard:Keyswitch SW50 867 U 1 1 621C10A8 868 P 9600 4200 869 F 0 "SW50" H 9340 4119 50 0000 R CNN 870 F 1 "Down" H 9340 4028 50 0000 R CNN 871 F 2 "" H 9600 4200 50 0001 C CNN 872 F 3 "" H 9600 4200 50 0001 C CNN 873 1 9600 4200 874 1 0 0 -1 875 $EndComp 876 $Comp 877 L AcornElectronKeyboard:Keyswitch SW51 878 U 1 1 621C10AF 879 P 9600 4800 880 F 0 "SW51" H 9340 4719 50 0000 R CNN 881 F 1 "Return" H 9340 4628 50 0000 R CNN 882 F 2 "" H 9600 4800 50 0001 C CNN 883 F 3 "" H 9600 4800 50 0001 C CNN 884 1 9600 4800 885 1 0 0 -1 886 $EndComp 887 $Comp 888 L AcornElectronKeyboard:Keyswitch SW52 889 U 1 1 621C10B6 890 P 9600 5400 891 F 0 "SW52" H 9340 5319 50 0000 R CNN 892 F 1 "Delete" H 9340 5228 50 0000 R CNN 893 F 2 "" H 9600 5400 50 0001 C CNN 894 F 3 "" H 9600 5400 50 0001 C CNN 895 1 9600 5400 896 1 0 0 -1 897 $EndComp 898 $Comp 899 L AcornElectronKeyboard:Keyswitch SW53 900 U 1 1 621C2072 901 P 10200 3600 902 F 0 "SW53" H 9940 3519 50 0000 R CNN 903 F 1 "Right" H 9940 3428 50 0000 R CNN 904 F 2 "" H 10200 3600 50 0001 C CNN 905 F 3 "" H 10200 3600 50 0001 C CNN 906 1 10200 3600 907 1 0 0 -1 908 $EndComp 909 $Comp 910 L AcornElectronKeyboard:Keyswitch SW54 911 U 1 1 621C2079 912 P 10200 4200 913 F 0 "SW54" H 9940 4119 50 0000 R CNN 914 F 1 "Copy" H 9940 4028 50 0000 R CNN 915 F 2 "" H 10200 4200 50 0001 C CNN 916 F 3 "" H 10200 4200 50 0001 C CNN 917 1 10200 4200 918 1 0 0 -1 919 $EndComp 920 $Comp 921 L AcornElectronKeyboard:Keyswitch SW55 922 U 1 1 621C2087 923 P 10200 5400 924 F 0 "SW55" H 9939 5319 50 0000 R CNN 925 F 1 "Space" H 9939 5228 50 0000 R CNN 926 F 2 "" H 10200 5400 50 0001 C CNN 927 F 3 "" H 10200 5400 50 0001 C CNN 928 1 10200 5400 929 1 0 0 -1 930 $EndComp 931 Wire Wire Line 932 3000 3100 3000 3850 933 Connection ~ 3000 3850 934 Wire Wire Line 935 3000 3850 3000 4450 936 Connection ~ 3000 4450 937 Wire Wire Line 938 3000 4450 3000 5050 939 Connection ~ 3000 5050 940 Wire Wire Line 941 3000 5050 3000 5650 942 Wire Wire Line 943 3600 3100 3600 3850 944 Connection ~ 3600 3850 945 Wire Wire Line 946 3600 3850 3600 4450 947 Connection ~ 3600 4450 948 Wire Wire Line 949 3600 4450 3600 5050 950 Connection ~ 3600 5050 951 Wire Wire Line 952 3600 5050 3600 5650 953 Wire Wire Line 954 4200 3100 4200 3850 955 Connection ~ 4200 3850 956 Wire Wire Line 957 4200 3850 4200 4450 958 Connection ~ 4200 4450 959 Wire Wire Line 960 4200 4450 4200 5050 961 Connection ~ 4200 5050 962 Wire Wire Line 963 4200 5050 4200 5650 964 Wire Wire Line 965 4800 3100 4800 3850 966 Connection ~ 4800 3850 967 Wire Wire Line 968 4800 3850 4800 4450 969 Connection ~ 4800 4450 970 Wire Wire Line 971 4800 4450 4800 5050 972 Connection ~ 4800 5050 973 Wire Wire Line 974 4800 5050 4800 5650 975 Wire Wire Line 976 5400 3100 5400 3850 977 Connection ~ 5400 3850 978 Wire Wire Line 979 5400 3850 5400 4450 980 Connection ~ 5400 4450 981 Wire Wire Line 982 5400 4450 5400 5050 983 Connection ~ 5400 5050 984 Wire Wire Line 985 5400 5050 5400 5650 986 Wire Wire Line 987 6000 3100 6000 3850 988 Connection ~ 6000 3850 989 Wire Wire Line 990 6000 3850 6000 4450 991 Connection ~ 6000 4450 992 Wire Wire Line 993 6000 4450 6000 5050 994 Connection ~ 6000 5050 995 Wire Wire Line 996 6000 5050 6000 5650 997 Wire Wire Line 998 6600 3100 6600 3850 999 Connection ~ 6600 3850 1000 Wire Wire Line 1001 6600 3850 6600 4450 1002 Connection ~ 6600 4450 1003 Wire Wire Line 1004 6600 4450 6600 5050 1005 Connection ~ 6600 5050 1006 Wire Wire Line 1007 6600 5050 6600 5650 1008 Wire Wire Line 1009 7200 3100 7200 3850 1010 Connection ~ 7200 3850 1011 Wire Wire Line 1012 7200 3850 7200 4450 1013 Connection ~ 7200 4450 1014 Wire Wire Line 1015 7200 4450 7200 5050 1016 Connection ~ 7200 5050 1017 Wire Wire Line 1018 7200 5050 7200 5650 1019 Wire Wire Line 1020 7800 3100 7800 3850 1021 Connection ~ 7800 3850 1022 Wire Wire Line 1023 7800 3850 7800 4450 1024 Connection ~ 7800 4450 1025 Wire Wire Line 1026 7800 4450 7800 5050 1027 Connection ~ 7800 5050 1028 Wire Wire Line 1029 7800 5050 7800 5650 1030 Wire Wire Line 1031 8400 3100 8400 3850 1032 Connection ~ 8400 3850 1033 Wire Wire Line 1034 8400 3850 8400 4450 1035 Connection ~ 8400 4450 1036 Wire Wire Line 1037 8400 4450 8400 5050 1038 Connection ~ 8400 5050 1039 Wire Wire Line 1040 8400 5050 8400 5650 1041 Wire Wire Line 1042 9000 3100 9000 3850 1043 Connection ~ 9000 3850 1044 Wire Wire Line 1045 9000 3850 9000 4450 1046 Connection ~ 9000 4450 1047 Wire Wire Line 1048 9000 4450 9000 5050 1049 Wire Wire Line 1050 9600 3100 9600 3850 1051 Connection ~ 9600 3850 1052 Wire Wire Line 1053 9600 3850 9600 4450 1054 Connection ~ 9600 4450 1055 Wire Wire Line 1056 9600 4450 9600 5050 1057 Connection ~ 9600 5050 1058 Wire Wire Line 1059 9600 5050 9600 5650 1060 Wire Wire Line 1061 10200 3100 10200 3850 1062 Connection ~ 10200 3850 1063 Wire Wire Line 1064 10200 3850 10200 4450 1065 Connection ~ 10200 4450 1066 Wire Wire Line 1067 1400 3600 2200 3600 1068 Connection ~ 2200 3600 1069 Wire Wire Line 1070 2200 3600 2800 3600 1071 Connection ~ 2800 3600 1072 Wire Wire Line 1073 2800 3600 3400 3600 1074 Connection ~ 3400 3600 1075 Wire Wire Line 1076 3400 3600 4000 3600 1077 Connection ~ 4000 3600 1078 Wire Wire Line 1079 4000 3600 4600 3600 1080 Connection ~ 4600 3600 1081 Wire Wire Line 1082 4600 3600 5200 3600 1083 Connection ~ 5200 3600 1084 Wire Wire Line 1085 5200 3600 5800 3600 1086 Connection ~ 5800 3600 1087 Wire Wire Line 1088 5800 3600 6400 3600 1089 Connection ~ 6400 3600 1090 Wire Wire Line 1091 6400 3600 7000 3600 1092 Connection ~ 7000 3600 1093 Wire Wire Line 1094 7000 3600 7600 3600 1095 Connection ~ 7600 3600 1096 Wire Wire Line 1097 7600 3600 8200 3600 1098 Connection ~ 8200 3600 1099 Wire Wire Line 1100 8200 3600 8800 3600 1101 Connection ~ 8800 3600 1102 Wire Wire Line 1103 8800 3600 9400 3600 1104 Connection ~ 9400 3600 1105 Wire Wire Line 1106 9400 3600 10000 3600 1107 Wire Wire Line 1108 1500 4200 2200 4200 1109 Connection ~ 2200 4200 1110 Wire Wire Line 1111 2200 4200 2800 4200 1112 Connection ~ 2800 4200 1113 Wire Wire Line 1114 2800 4200 3400 4200 1115 Connection ~ 3400 4200 1116 Wire Wire Line 1117 3400 4200 4000 4200 1118 Connection ~ 4000 4200 1119 Wire Wire Line 1120 4000 4200 4600 4200 1121 Connection ~ 4600 4200 1122 Wire Wire Line 1123 4600 4200 5200 4200 1124 Connection ~ 5200 4200 1125 Wire Wire Line 1126 5200 4200 5800 4200 1127 Connection ~ 5800 4200 1128 Wire Wire Line 1129 5800 4200 6400 4200 1130 Connection ~ 6400 4200 1131 Wire Wire Line 1132 6400 4200 7000 4200 1133 Connection ~ 7000 4200 1134 Wire Wire Line 1135 7000 4200 7600 4200 1136 Connection ~ 7600 4200 1137 Wire Wire Line 1138 7600 4200 8200 4200 1139 Connection ~ 8200 4200 1140 Wire Wire Line 1141 8200 4200 8800 4200 1142 Connection ~ 8800 4200 1143 Wire Wire Line 1144 8800 4200 9400 4200 1145 Connection ~ 9400 4200 1146 Wire Wire Line 1147 9400 4200 10000 4200 1148 Wire Wire Line 1149 1600 4800 2200 4800 1150 Connection ~ 2200 4800 1151 Wire Wire Line 1152 2200 4800 2800 4800 1153 Connection ~ 2800 4800 1154 Wire Wire Line 1155 2800 4800 3400 4800 1156 Connection ~ 3400 4800 1157 Wire Wire Line 1158 3400 4800 4000 4800 1159 Connection ~ 4000 4800 1160 Wire Wire Line 1161 4000 4800 4600 4800 1162 Connection ~ 4600 4800 1163 Wire Wire Line 1164 4600 4800 5200 4800 1165 Connection ~ 5200 4800 1166 Wire Wire Line 1167 5200 4800 5800 4800 1168 Connection ~ 5800 4800 1169 Wire Wire Line 1170 5800 4800 6400 4800 1171 Connection ~ 6400 4800 1172 Wire Wire Line 1173 6400 4800 7000 4800 1174 Connection ~ 7000 4800 1175 Wire Wire Line 1176 7000 4800 7600 4800 1177 Connection ~ 7600 4800 1178 Wire Wire Line 1179 7600 4800 8200 4800 1180 Connection ~ 8200 4800 1181 Wire Wire Line 1182 8200 4800 8800 4800 1183 Connection ~ 8800 4800 1184 Wire Wire Line 1185 8800 4800 9400 4800 1186 Wire Wire Line 1187 1700 5400 2200 5400 1188 Connection ~ 2200 5400 1189 Wire Wire Line 1190 2200 5400 2800 5400 1191 Connection ~ 2800 5400 1192 Wire Wire Line 1193 2800 5400 3400 5400 1194 Connection ~ 3400 5400 1195 Wire Wire Line 1196 3400 5400 4000 5400 1197 Connection ~ 4000 5400 1198 Wire Wire Line 1199 4000 5400 4600 5400 1200 Connection ~ 4600 5400 1201 Wire Wire Line 1202 4600 5400 5200 5400 1203 Connection ~ 5200 5400 1204 Wire Wire Line 1205 5200 5400 5800 5400 1206 Connection ~ 5800 5400 1207 Wire Wire Line 1208 5800 5400 6400 5400 1209 Connection ~ 6400 5400 1210 Wire Wire Line 1211 6400 5400 7000 5400 1212 Connection ~ 7000 5400 1213 Wire Wire Line 1214 7000 5400 7600 5400 1215 Connection ~ 7600 5400 1216 Wire Wire Line 1217 7600 5400 8200 5400 1218 Connection ~ 8200 5400 1219 Connection ~ 9400 5400 1220 Wire Wire Line 1221 9400 5400 10000 5400 1222 Wire Wire Line 1223 8200 5400 9400 5400 1224 Wire Wire Line 1225 10200 4450 10200 5650 1226 Text GLabel 1300 1500 3 50 Output ~ 0 1227 5V 1228 Text GLabel 1200 1700 3 50 Output ~ 0 1229 0V 1230 Text GLabel 11000 3000 2 50 Input ~ 0 1231 5V 1232 $Comp 1233 L Device:R R2 1234 U 1 1 622063E0 1235 P 10700 3350 1236 F 0 "R2" H 10650 3400 50 0000 R CNN 1237 F 1 "15000R" H 10650 3300 50 0000 R CNN 1238 F 2 "" V 10630 3350 50 0001 C CNN 1239 F 3 "~" H 10700 3350 50 0001 C CNN 1240 1 10700 3350 1241 1 0 0 -1 1242 $EndComp 1243 Wire Wire Line 1244 10000 3600 10700 3600 1245 Wire Wire Line 1246 10700 3600 10700 3500 1247 Connection ~ 10000 3600 1248 Wire Wire Line 1249 10000 4200 10700 4200 1250 Wire Wire Line 1251 10700 4200 10700 4100 1252 Connection ~ 10000 4200 1253 Wire Wire Line 1254 9400 4800 10700 4800 1255 Wire Wire Line 1256 10700 4800 10700 4700 1257 Connection ~ 9400 4800 1258 Wire Wire Line 1259 10000 5400 10700 5400 1260 Wire Wire Line 1261 10700 5400 10700 5300 1262 Connection ~ 10000 5400 1263 Wire Wire Line 1264 10700 3200 10700 3000 1265 Wire Wire Line 1266 10700 3000 10900 3000 1267 Wire Wire Line 1268 10700 3800 10900 3800 1269 Wire Wire Line 1270 10900 3800 10900 3000 1271 Connection ~ 10900 3000 1272 Wire Wire Line 1273 10900 3000 11000 3000 1274 Wire Wire Line 1275 10700 4400 10900 4400 1276 Wire Wire Line 1277 10900 4400 10900 3800 1278 Connection ~ 10900 3800 1279 Wire Wire Line 1280 10700 5000 10900 5000 1281 Wire Wire Line 1282 10900 5000 10900 4400 1283 Connection ~ 10900 4400 1284 Text GLabel 700 2400 0 50 Input ~ 0 1285 0V 1286 $Comp 1287 L Switch:SW_Push SW1 1288 U 1 1 62237B45 1289 P 1000 2100 1290 F 0 "SW1" V 1050 2250 50 0000 L CNN 1291 F 1 "Break" V 950 2250 50 0000 L CNN 1292 F 2 "" H 1000 2300 50 0001 C CNN 1293 F 3 "" H 1000 2300 50 0001 C CNN 1294 1 1000 2100 1295 0 -1 -1 0 1296 $EndComp 1297 Wire Wire Line 1298 700 2400 1000 2400 1299 Wire Wire Line 1300 1000 2400 1000 2300 1301 Text GLabel 1700 6300 2 50 Input ~ 0 1302 5V 1303 Text GLabel 1700 6800 2 50 Input ~ 0 1304 0V 1305 $Comp 1306 L Device:C C1 1307 U 1 1 62247582 1308 P 1500 6550 1309 F 0 "C1" H 1615 6596 50 0000 L CNN 1310 F 1 "0.47??F" H 1615 6505 50 0000 L CNN 1311 F 2 "" H 1538 6400 50 0001 C CNN 1312 F 3 "~" H 1500 6550 50 0001 C CNN 1313 1 1500 6550 1314 1 0 0 -1 1315 $EndComp 1316 Wire Wire Line 1317 1500 6700 1500 6800 1318 Wire Wire Line 1319 1500 6800 1700 6800 1320 Wire Wire Line 1321 1500 6400 1500 6300 1322 Wire Wire Line 1323 1500 6300 1700 6300 1324 $Comp 1325 L Device:R R1 1326 U 1 1 622563BF 1327 P 1100 6050 1328 F 0 "R1" H 1170 6096 50 0000 L CNN 1329 F 1 "470R" H 1170 6005 50 0000 L CNN 1330 F 2 "" V 1030 6050 50 0001 C CNN 1331 F 3 "~" H 1100 6050 50 0001 C CNN 1332 1 1100 6050 1333 1 0 0 -1 1334 $EndComp 1335 $Comp 1336 L Device:LED D1 1337 U 1 1 6225652E 1338 P 1100 5550 1339 F 0 "D1" V 1045 5628 50 0000 L CNN 1340 F 1 "LED" V 1136 5628 50 0000 L CNN 1341 F 2 "" H 1100 5550 50 0001 C CNN 1342 F 3 "~" H 1100 5550 50 0001 C CNN 1343 1 1100 5550 1344 0 1 1 0 1345 $EndComp 1346 Wire Wire Line 1347 1500 6300 1100 6300 1348 Wire Wire Line 1349 1100 6300 1100 6200 1350 Connection ~ 1500 6300 1351 Wire Wire Line 1352 1100 5900 1100 5700 1353 $Comp 1354 L Device:R R3 1355 U 1 1 62271B97 1356 P 10700 3950 1357 F 0 "R3" H 10650 4000 50 0000 R CNN 1358 F 1 "15000R" H 10650 3900 50 0000 R CNN 1359 F 2 "" V 10630 3950 50 0001 C CNN 1360 F 3 "~" H 10700 3950 50 0001 C CNN 1361 1 10700 3950 1362 1 0 0 -1 1363 $EndComp 1364 $Comp 1365 L Device:R R4 1366 U 1 1 62271C51 1367 P 10700 4550 1368 F 0 "R4" H 10650 4600 50 0000 R CNN 1369 F 1 "15000R" H 10650 4500 50 0000 R CNN 1370 F 2 "" V 10630 4550 50 0001 C CNN 1371 F 3 "~" H 10700 4550 50 0001 C CNN 1372 1 10700 4550 1373 1 0 0 -1 1374 $EndComp 1375 $Comp 1376 L Device:R R5 1377 U 1 1 62271CFE 1378 P 10700 5150 1379 F 0 "R5" H 10650 5200 50 0000 R CNN 1380 F 1 "15000R" H 10650 5100 50 0000 R CNN 1381 F 2 "" V 10630 5150 50 0001 C CNN 1382 F 3 "~" H 10700 5150 50 0001 C CNN 1383 1 10700 5150 1384 1 0 0 -1 1385 $EndComp 1386 $EndSCHEMATC