DIY Arduino analog clock

 #include <Arduino.h> #include <U8g2lib.h> #include <TimerOne.h> U8G2_ST7920_128X64_1_SW_SPI u8g2(U8G2_R2, /* clock=*/ 13, /* data=*/ 11, /* CS=*/ 10, /* reset=*/ 8); byte inPin1 = 7; //digital input sw-1 marking hours or minutes byte inPin2 = 6; //sw-2 digital input correcting minutes byte inPin3 = 5; //digital input sw-3 correcting hours byte P1, P2; //button states uint8_t s, m, g; //declaration of seconds, minutes and hours boolean kropki; //variable of the dots const char tarczaX[60] = { //X coordinates of the target points 64, 61, 56, 53, 50, 48, 45, 42, 40, 40, 35, 34, 31, 29, 28, 28, 28, 29, 31, 34, 35, 38, 40, 42, 45, 48, 50, 53, 56, 61, 64, 68, 72, 76, 79, 82, 85, 87, 90, 92, 94, 96, 98, 99, 100, 100, 100, 99, 98, 96, 94, 92, 90, 87, 85, 82, 79, 76, 68, 64 }; const char tarczaY[60] = { //y coordinates of the target points 54, 54, 54, 54, 53, 52, 51, 49, 48, 48, 44, 43, 40, 37, 35, 32, 27, 26, 23, 21, 19, 17, 15, 13, 12, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 9, 10, 12, 13, 15, 17, 19, 21, 23, 26, 32, 35, 37, 40, 42, 44, 46, 48, 48, 48, 52, 53, 54, 54, 54 }; void setup() { u8g2.begin(); pinMode(inPin1, INPUT_PULLUP); //setting the pin as a digital input pinMode(inPin2, INPUT_PULLUP); pinMode(inPin3, INPUT_PULLUP); u8g2.setContrast(220); Timer1.initialize(1000000); Timer1.attachInterrupt(toggleOutput); P1 = 0; P2 = 0; s = 0; m = 0; g = 0; } void loop() { u8g2.setFont(u8g2_font_9x15B_tr); u8g2.setFontDirection(2); //select the direction of subtitles Dipsw(); u8g2.firstPage(); char m_str[3]; strcpy(m_str, u8x8_u8toa(m, 2)); //Replace m with a string with 2 digits do { u8g2.drawStr(115,27,"9"); u8g2.drawStr(20,27,"3"); u8g2.drawStr(67,0,"6"); u8g2.drawStr(73,52,"12"); u8g2.drawDisc(64,32,3); //center of the clock u8g2.drawDisc(42,57,2); //hour 1 u8g2.drawDisc(24,49,2); //hour 2 u8g2.drawDisc(24,14,2); //hour 4 u8g2.drawDisc(42,5,2); //hour 5 u8g2.drawDisc(85,5,2); //hour 7 u8g2.drawDisc(104,14,2); //hour 8 u8g2.drawDisc(104,49,2); //hour 10 u8g2.drawDisc(85,57,2); //hour 11 if (P1 == 1){ u8g2.drawStr(10,0,"M");} //marking correcting minutes if (P1 == 2){ u8g2.drawStr(10,0,"H");} //marking of correcting hours //drawing hour hand if (g == 0 or g == 12){u8g2.drawTriangle(64,49, 67,32, 61,32);} if (g == 1 or g == 13){u8g2.drawTriangle(50,49, 67,34, 61,30);} if (g == 2 or g == 14){u8g2.drawTriangle(40,42, 65,35, 60,30);} if (g == 3 or g == 15){u8g2.drawTriangle(32,32, 64,35, 64,29);} if (g == 4 or g == 16){u8g2.drawTriangle(40,21, 63,29, 63,35);} if (g == 5 or g == 17){u8g2.drawTriangle(48,13, 66,30, 62,34);} if (g == 6 or g == 18){u8g2.drawTriangle(64,13, 68,32, 60,32);} if (g == 7 or g == 19){u8g2.drawTriangle(79,13, 67,34, 62,30);} if (g == 8 or g == 20){u8g2.drawTriangle(88,21, 66,35, 63,30);} if (g == 9 or g == 21){u8g2.drawTriangle(96,32, 64,35, 64,29);} if (g == 10 or g == 22){u8g2.drawTriangle(88,42, 64,35, 65,28);} if (g == 11 or g == 23){u8g2.drawTriangle(79,49, 67,31, 62,35);} //drawing a second hand u8g2.drawLine(64,32, tarczaX[s], tarczaY[s]); // draw minute hand //u8g2.drawStr(20,50,m_str); if (m == 0) {u8g2.drawLine(67,32, 64,54); u8g2.drawLine(61,32, 64,54);} if (m == 1) {u8g2.drawLine(67,32, 60,54); u8g2.drawLine(61,32, 60,54);} if (m == 2) {u8g2.drawLine(67,32, 56,54); u8g2.drawLine(61,32, 56,54);} if (m == 3) {u8g2.drawLine(66,33, 53,54); u8g2.drawLine(61,31, 53,54);} if (m == 4) {u8g2.drawLine(66,33, 50,53); u8g2.drawLine(61,31, 50,53);} if (m == 5) {u8g2.drawLine(65,34, 48,52); u8g2.drawLine(61,30, 48,52);} if (m == 6) {u8g2.drawLine(64,34, 45,51); u8g2.drawLine(61,30, 45,51);} if (m == 7) {u8g2.drawLine(64,34, 42,49); u8g2.drawLine(61,30, 42,49);} if (m == 8) {u8g2.drawLine(64,34, 40,48); u8g2.drawLine(61,30, 40,48);} if (m == 9) {u8g2.drawLine(64,35, 38,46); u8g2.drawLine(61,30, 38,46);} if (m == 10) {u8g2.drawLine(65,35, 35,44); u8g2.drawLine(62,30, 35,44);} if (m == 11) {u8g2.drawLine(64,35, 34,43); u8g2.drawLine(62,29, 34,43);} if (m == 12) {u8g2.drawLine(64,35, 31,40); u8g2.drawLine(62,29, 31,40);} if (m == 13) {u8g2.drawLine(64,35, 29,37); u8g2.drawLine(63,29, 29,37);} if (m == 14) {u8g2.drawLine(64,35, 28,35); u8g2.drawLine(63,29, 28,35);} if (m == 15) {u8g2.drawLine(64,35, 28,32); u8g2.drawLine(63,29, 28,32);} // if (m == 16) {u8g2.drawLine(63,35, 28,27); u8g2.drawLine(64,29, 28,27);} if (m == 17) {u8g2.drawLine(63,35, 29,26); u8g2.drawLine(64,29, 29,26);} if (m == 18) {u8g2.drawLine(63,35, 31,23); u8g2.drawLine(64,29, 31,23);} if (m == 19) {u8g2.drawLine(63,35, 34,21); u8g2.drawLine(64,29, 34,21);} if (m == 20) {u8g2.drawLine(63,35, 35,19); u8g2.drawLine(65,29, 35,19);} if (m == 21) {u8g2.drawLine(63,35, 38,17); u8g2.drawLine(65,29, 38,17);} if (m == 22) {u8g2.drawLine(62,34, 40,15); u8g2.drawLine(65,29, 40,15);} if (m == 23) {u8g2.drawLine(62,34, 42,13); u8g2.drawLine(65,29, 42,13);} if (m == 24) {u8g2.drawLine(62,34, 45,12); u8g2.drawLine(66,29, 45,12);} if (m == 25) {u8g2.drawLine(61,34, 48,10); u8g2.drawLine(66,32, 48,10);} if (m == 26) {u8g2.drawLine(61,33, 50,9); u8g2.drawLine(66,30, 50,9);} if (m == 27) {u8g2.drawLine(66,32, 53,8); u8g2.drawLine(61,33, 53,8);} if (m == 28) {u8g2.drawLine(67,32, 56,8); u8g2.drawLine(61,33, 56,8);} if (m == 29) {u8g2.drawLine(67,32, 61,8); u8g2.drawLine(61,32, 61,8);} if (m == 30) {u8g2.drawLine(67,32, 64,8); u8g2.drawLine(61,32, 64,8);} /// if (m == 31) {u8g2.drawLine(67,32, 68,8); u8g2.drawLine(61,32, 68,8);} if (m == 32) {u8g2.drawLine(67,32, 72,8); u8g2.drawLine(61,32, 72,8);} if (m == 33) {u8g2.drawLine(67,32, 76,8); u8g2.drawLine(61,31, 76,8);} if (m == 34) {u8g2.drawLine(67,32, 79,8); u8g2.drawLine(62,31, 79,8);} if (m == 35) {u8g2.drawLine(67,33, 82,9); u8g2.drawLine(62,30, 82,9);} if (m == 36) {u8g2.drawLine(66,34, 85,10); u8g2.drawLine(62,30, 85,10);} if (m == 37) {u8g2.drawLine(66,34, 87,12); u8g2.drawLine(62,30, 87,12);} if (m == 38) {u8g2.drawLine(66,34, 90,13); u8g2.drawLine(63,30, 90,13);} if (m == 39) {u8g2.drawLine(66,35, 92,15); u8g2.drawLine(63,30, 92,15);} if (m == 40) {u8g2.drawLine(66,35, 94,17); u8g2.drawLine(63,30, 94,17);} if (m == 41) {u8g2.drawLine(65,35, 96,19); u8g2.drawLine(64,30, 96,19);} if (m == 42) {u8g2.drawLine(65,35, 98,21); u8g2.drawLine(64,30, 98,21);} if (m == 43) {u8g2.drawLine(65,35, 99,23); u8g2.drawLine(64,29, 99,23);} if (m == 44) {u8g2.drawLine(64,35, 100,26); u8g2.drawLine(64,29, 100,26);} if (m == 45) {u8g2.drawLine(64,35, 100,32); u8g2.drawLine(64,29, 100,32);} /// if (m == 46) {u8g2.drawLine(64,35, 100,35); u8g2.drawLine(64,29, 100,35);} if (m == 47) {u8g2.drawLine(64,35, 99,37); u8g2.drawLine(64,29, 99,37);} if (m == 48) {u8g2.drawLine(64,35, 98,40); u8g2.drawLine(64,29, 98,40);} if (m == 49) {u8g2.drawLine(64,35, 96,42); u8g2.drawLine(65,28, 96,42);} if (m == 50) {u8g2.drawLine(64,35, 94,44); u8g2.drawLine(65,28, 94,44);} if (m == 51) {u8g2.drawLine(63,35, 92,46); u8g2.drawLine(66,30, 92,46);} if (m == 52) {u8g2.drawLine(63,35, 90,48); u8g2.drawLine(66,30, 90,48);} if (m == 53) {u8g2.drawLine(64,34, 87,48); u8g2.drawLine(66,29, 87,48);} if (m == 54) {u8g2.drawLine(63,35, 85,48); u8g2.drawLine(67,31, 85,48);} if (m == 55) {u8g2.drawLine(67,31, 82,52); u8g2.drawLine(63,35, 82,52);} if (m == 56) {u8g2.drawLine(67,31, 79,53); u8g2.drawLine(62,35, 79,53);} if (m == 57) {u8g2.drawLine(67,31, 76,54); u8g2.drawLine(62,35, 76,54);} if (m == 58) {u8g2.drawLine(67,31, 72,54); u8g2.drawLine(62,34, 72,54);} if (m == 59) {u8g2.drawLine(67,31, 68,54); u8g2.drawLine(62,32, 68,54);} } while ( u8g2.nextPage() ); delayMicroseconds(10000); } void toggleOutput(){ s++; if (s == 60) { s = 0; m++; } if (m == 60) { m = 0; g++; } if (g == 24) { g = 0; } kropki = !kropki; //blinking colon every 1 sec. } void Dipsw(){ byte readPin1, readPin1A, readPin2, readPin2A, readPin3, readPin3A; readPin1 = digitalRead(inPin1); //read the state of the rotation button readPin2 = digitalRead(inPin2); //reading the status of the right move button readPin3 = digitalRead(inPin3); //reading the state of the move left button delay(1); readPin1A = digitalRead(inPin1); readPin2A = digitalRead(inPin2); readPin3A = digitalRead(inPin3); if (readPin1 == LOW and readPin1 == readPin1A) { //setting the time - selecting hours or minutes P1++; delay(200); if (P1 == 3){ P1 = 0; } } if (readPin2 == LOW and readPin2 == readPin2A) { //correcting hours and minutes up if (P1 == 1){ //correcting minutes m++; if (m == 59) {m = 0;} } if (P1 == 2){ //framing minutes g++; if (g == 24){g = 0;} } delay(200); } if (readPin3 == LOW and readPin3 == readPin3A) { //correcting hours and minutes down if (P1 == 1){ //correcting minutes m--; if (m >= 60) {m = 59;} if (m <= 0) {m = 59;} } if (P1 == 2){ //correcting hours g--; if (g >= 24){g = 23;} if (g <= 0){g = 23;} } delay(200); } }