// Joginder // hobbyprojects // Propeller_LED_Analog_Clock_01052021.ino int LED1 = 2; int LED2 = 3; int LED3 = 4; int LED4 = 5; int LED5 = 6; int LED6 = 7; int LED7 = 8; int LED8 = 9; int LED9 = 10; int LED10 = 11; int LED11 = 12; int LED12 = A1; int LED13 = A2; int LED14 = A3; int LED15 = A4; int LED16 = A5; int sensorPin = A0; unsigned int n,ADCvalue,propeller_posn; unsigned long previousTime = 0; byte hours = 12; // set hours byte minutes = 15; // set minutes byte seconds = 0; // set seconds int val; void setup() { pinMode(LED1,OUTPUT); pinMode(LED2,OUTPUT); pinMode(LED3,OUTPUT); pinMode(LED4,OUTPUT); pinMode(LED5,OUTPUT); pinMode(LED6,OUTPUT); pinMode(LED7,OUTPUT); pinMode(LED8,OUTPUT); pinMode(LED9,OUTPUT); pinMode(LED10,OUTPUT); pinMode(LED11,OUTPUT); pinMode(LED12,OUTPUT); pinMode(LED13,OUTPUT); pinMode(LED14,OUTPUT); pinMode(LED15,OUTPUT); pinMode(LED16,OUTPUT); pinMode(sensorPin,INPUT_PULLUP); if(hours == 12) hours = 0; } void loop() { val = digitalRead(sensorPin); while (val == LOW) { val = digitalRead(sensorPin); } if (millis() >= (previousTime)) { previousTime = previousTime + 1000; // For tesitng purpose you can use 10 in place of 1000 to make the clock run fast. seconds = seconds+1; if (seconds == 60) { seconds = 0; minutes = minutes+1; } if (minutes == 60) { minutes = 0; hours = hours+1; } if (hours == 12) { hours = 0; } } propeller_posn=30; n=0; while(n < 60) { drawMinuteMarker(); if ((propeller_posn==0) || (propeller_posn==5) || (propeller_posn==10) || (propeller_posn==15) || (propeller_posn==20) || (propeller_posn==25) || (propeller_posn==30) || (propeller_posn==35) || (propeller_posn==40) || (propeller_posn==45) || (propeller_posn==50) || (propeller_posn==55)) drawHourMarker(); if ((propeller_posn==0) || (propeller_posn==15) || (propeller_posn==30) || (propeller_posn==45)) drawQuarterMarker(); //------------------------------------------------------------------------------------------------ //if((propeller_posn == hours*5) || (( propeller_posn == 0 ) && (hours == 0))) // Original if(propeller_posn == (hours*5) + (minutes/12)) // modified drawHoursHand(); //------------------------------------------------------------------------------------------------ if(propeller_posn == minutes) drawMinutesHand(); if(propeller_posn == seconds) drawSecondsHand(); delayMicroseconds(140); // for LED pixel width (change the value according to motor speed. Increase for low speed, decrease for high speed motor) displayClear(); drawInner_Circle(); delayMicroseconds(600); // for the gap between LED pixels/minutes markers (change the value according to motor speed. Increase for low speed, decrease for high speed motor) n++; propeller_posn++; if(propeller_posn == 60) propeller_posn=0; } val = digitalRead(sensorPin); while (val == HIGH) { val = digitalRead(sensorPin); } } //========================= void displayClear() { digitalWrite(LED1,LOW); digitalWrite(LED2,LOW); digitalWrite(LED3,LOW); digitalWrite(LED4,LOW); digitalWrite(LED5,LOW); digitalWrite(LED6,LOW); digitalWrite(LED7,LOW); digitalWrite(LED8,LOW); digitalWrite(LED9,LOW); digitalWrite(LED10,LOW); digitalWrite(LED11,LOW); digitalWrite(LED12,LOW); digitalWrite(LED13,LOW); digitalWrite(LED14,LOW); digitalWrite(LED15,LOW); digitalWrite(LED16,LOW); } void drawMinuteMarker() { digitalWrite(LED16,HIGH); } void drawHourMarker() { digitalWrite(LED15,HIGH); digitalWrite(LED14,HIGH); } void drawQuarterMarker() { digitalWrite(LED13,HIGH); digitalWrite(LED12,HIGH); } void drawHoursHand() { digitalWrite(LED1,HIGH); digitalWrite(LED2,HIGH); digitalWrite(LED3,HIGH); digitalWrite(LED4,HIGH); digitalWrite(LED5,HIGH); digitalWrite(LED6,HIGH); digitalWrite(LED7,HIGH); } void drawMinutesHand() { digitalWrite(LED1,HIGH); digitalWrite(LED2,HIGH); digitalWrite(LED3,HIGH); digitalWrite(LED4,HIGH); digitalWrite(LED5,HIGH); digitalWrite(LED6,HIGH); digitalWrite(LED7,HIGH); digitalWrite(LED8,HIGH); digitalWrite(LED9,HIGH); } void drawSecondsHand() { digitalWrite(LED1,HIGH); digitalWrite(LED2,HIGH); digitalWrite(LED3,HIGH); digitalWrite(LED4,HIGH); digitalWrite(LED5,HIGH); digitalWrite(LED6,HIGH); digitalWrite(LED7,HIGH); digitalWrite(LED8,HIGH); digitalWrite(LED9,HIGH); digitalWrite(LED10,HIGH); digitalWrite(LED11,HIGH); } void drawInner_Circle() { digitalWrite(LED1,HIGH); delayMicroseconds(30); digitalWrite(LED1,LOW); }