TM 1637 2개 사용하기
TM 1637 1개를 사용하는 것을 예제로 구현해 봤다.
그러나 실제는 1개로는 한계가 있다.
그래서 2개를 연결하는 방법을 찾아보았다.
참조 : https://forum.arduino.cc/index.php?topic=404178.0
생각보다는 간단하다.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 | #include <Arduino.h> #include <TM1637Display.h> TM1637Display one(2,3); //CLK = 2, DIO = 3 TM1637Display two(6,7); //CLK = 4, DIO = 5 #define TEST_DELAY 200 const uint8_t SEG_DONE[] = { SEG_B | SEG_C | SEG_D | SEG_E | SEG_G, // d SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F, // O SEG_C | SEG_E | SEG_G, // n SEG_A | SEG_D | SEG_E | SEG_F | SEG_G // E }; void setup() { one.clear(); one.setBrightness(0x0f); two.clear(); two.setBrightness(0x0f); } void loop() { int k; uint8_t data[] = { 0xff, 0xff, 0xff, 0xff }; uint8_t blank[] = { 0x00, 0x00, 0x00, 0x00 }; // All segments on one.setSegments(data); delay(TEST_DELAY); two.setSegments(data); delay(TEST_DELAY); // Selectively set different digits data[0] = one.encodeDigit(0); data[1] = one.encodeDigit(1); data[2] = one.encodeDigit(2); data[3] = one.encodeDigit(3); one.setSegments(data); delay(TEST_DELAY); // Selectively set different digits data[0] = two.encodeDigit(0); data[1] = two.encodeDigit(1); data[2] = two.encodeDigit(2); data[3] = two.encodeDigit(3); two.setSegments(data); delay(TEST_DELAY); /* for(k = 3; k >= 0; k--) { display.setSegments(data, 1, k); delay(TEST_DELAY); } */ one.clear(); one.setSegments(data+2, 2, 2); delay(TEST_DELAY); two.clear(); two.setSegments(data+2, 2, 2); delay(TEST_DELAY); one.clear(); one.setSegments(data+2, 2, 1); delay(TEST_DELAY); two.clear(); two.setSegments(data+2, 2, 1); delay(TEST_DELAY); one.clear(); one.setSegments(data+1, 3, 1); delay(TEST_DELAY); two.clear(); two.setSegments(data+1, 3, 1); delay(TEST_DELAY); // Show decimal numbers with/without leading zeros one.showNumberDec(0, false); // Expect: ___0 delay(TEST_DELAY); one.showNumberDec(0, true); // Expect: 0000 delay(TEST_DELAY); one.showNumberDec(1, false); // Expect: ___1 delay(TEST_DELAY); one.showNumberDec(1, true); // Expect: 0001 delay(TEST_DELAY); one.showNumberDec(301, false); // Expect: _301 delay(TEST_DELAY); one.showNumberDec(301, true); // Expect: 0301 delay(TEST_DELAY); one.clear(); one.showNumberDec(14, false, 2, 1); // Expect: _14_ delay(TEST_DELAY); one.clear(); one.showNumberDec(4, true, 2, 2); // Expect: 04__ delay(TEST_DELAY); one.showNumberDec(-1, false); // Expect: __-1 delay(TEST_DELAY); one.showNumberDec(-12); // Expect: _-12 delay(TEST_DELAY); one.showNumberDec(-999); // Expect: -999 delay(TEST_DELAY); one.clear(); one.showNumberDec(-5, false, 3, 0); // Expect: _-5_ delay(TEST_DELAY); one.showNumberHexEx(0xf1af); // Expect: f1Af delay(TEST_DELAY); one.showNumberHexEx(0x2c); // Expect: __2C delay(TEST_DELAY); one.showNumberHexEx(0xd1, 0, true); // Expect: 00d1 delay(TEST_DELAY); one.clear(); one.showNumberHexEx(0xd1, 0, true, 2); // Expect: d1__ delay(TEST_DELAY); // Show decimal numbers with/without leading zeros two.showNumberDec(0, false); // Expect: ___0 delay(TEST_DELAY); two.showNumberDec(0, true); // Expect: 0000 delay(TEST_DELAY); two.showNumberDec(1, false); // Expect: ___1 delay(TEST_DELAY); two.showNumberDec(1, true); // Expect: 0001 delay(TEST_DELAY); two.showNumberDec(301, false); // Expect: _301 delay(TEST_DELAY); two.showNumberDec(301, true); // Expect: 0301 delay(TEST_DELAY); two.clear(); two.showNumberDec(14, false, 2, 1); // Expect: _14_ delay(TEST_DELAY); two.clear(); two.showNumberDec(4, true, 2, 2); // Expect: 04__ delay(TEST_DELAY); two.showNumberDec(-1, false); // Expect: __-1 delay(TEST_DELAY); two.showNumberDec(-12); // Expect: _-12 delay(TEST_DELAY); two.showNumberDec(-999); // Expect: -999 delay(TEST_DELAY); two.clear(); two.showNumberDec(-5, false, 3, 0); // Expect: _-5_ delay(TEST_DELAY); two.showNumberHexEx(0xf1af); // Expect: f1Af delay(TEST_DELAY); two.showNumberHexEx(0x2c); // Expect: __2C delay(TEST_DELAY); two.showNumberHexEx(0xd1, 0, true); // Expect: 00d1 delay(TEST_DELAY); two.clear(); two.showNumberHexEx(0xd1, 0, true, 2); // Expect: d1__ delay(TEST_DELAY); // Run through all the dots for(k=0; k <= 4; k++) { one.showNumberDecEx(0, (0x80 >> k), true); delay(TEST_DELAY); } // Run through all the dots for(k=0; k <= 4; k++) { two.showNumberDecEx(0, (0x80 >> k), true); delay(TEST_DELAY); } // Brightness Test for(k = 0; k < 4; k++) data[k] = 0xff; for(k = 0; k < 7; k++) { one.setBrightness(k); one.setSegments(data); delay(TEST_DELAY); } // Brightness Test for(k = 0; k < 4; k++) data[k] = 0xff; for(k = 0; k < 7; k++) { two.setBrightness(k); two.setSegments(data); delay(TEST_DELAY); } // On/Off test for(k = 0; k < 4; k++) { one.setBrightness(7, false); // Turn off one.setSegments(data); delay(TEST_DELAY); one.setBrightness(7, true); // Turn on one.setSegments(data); delay(TEST_DELAY); } // On/Off test for(k = 0; k < 4; k++) { two.setBrightness(7, false); // Turn off two.setSegments(data); delay(TEST_DELAY); two.setBrightness(7, true); // Turn on two.setSegments(data); delay(TEST_DELAY); } // Done! one.setSegments(SEG_DONE); // Done! two.setSegments(SEG_DONE); //while(0); } | cs |
작동 동영상은 아래와 같다.
