Automatic turtle / fish feeder V2
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Publicado:2016-08-12 12:27:33
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Summary
This device feeds yout puppy if you are on holidays. Its fully automatic and only needs a new load of food all 2 weeks.
The mcu is an arduino nano, the stepper is a nema 17 with a drv8825 driver and the display is a nokia 5510 type.
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Arduino Code
#include
#include
#include
#include
Adafruit_PCD8544 display = Adafruit_PCD8544(5, 4, 3);#define key_left 8#define key_right 6#define key_centre 7#define stepper_enable 14#define stepper_reset 15#define stepper_sleep 16#define stepper_step 17#define stepper_dir 18//Displayint disp = 0;int token = 0;byte temp_intervall = 0;byte intervall = 0;int erstes_intervall = 0;unsigned long timeout = 0;unsigned long periodic_int = 0;int manuStepps = 10;//EEPROM// Adresse Speicher// 0 intervall in Stunden// 1 stunden bis nächste Fütterungunsigned long periodic_EEPROM = 3600000; //Erster EEPROM Write nach 1h betriebbyte hours_till_feed = 0;void setup() {display.begin(); display.setContrast(60); delay(100); display.clearDisplay(); display.println("Dave Feeder"); display.display(); delay(1500); pinMode(key_left, INPUT_PULLUP); pinMode(key_right, INPUT_PULLUP); pinMode(key_centre, INPUT_PULLUP); pinMode(stepper_enable, OUTPUT); pinMode(stepper_reset, OUTPUT); pinMode(stepper_sleep, OUTPUT); pinMode(stepper_step, OUTPUT); pinMode(stepper_dir, OUTPUT); digitalWrite(stepper_reset,HIGH); disableStepper(); //EEPROM auslesen intervall = temp_intervall = EEPROM.read(0); timeout = (EEPROM.read(1)*3600000)+millis();}void loop() {//Welcher Button? if(!token){ if(!digitalRead(key_left)){disp =key_left; display.clearDisplay();display.println("Fuetterung");display.display(); token = 1;} else if(!digitalRead(key_right)){disp =key_right;display.clearDisplay();display.println("Up Run Down"); display.drawLine(0, 11, 84, 11, BLACK);display.println(" "); display.drawLine(18, 0, 18, 11, BLACK); display.drawLine(46, 0, 46, 11, BLACK); display.println("manuell");display.println("Schritte");display.println("fahren");display.display(); token = 1;delay(500); } else if(!digitalRead(key_centre)){disp =key_centre;display.clearDisplay();display.println("Up OK Down");display.drawLine(0, 11, 84, 11, BLACK); display.drawLine(25, 0, 25, 11, BLACK); display.drawLine(46, 0, 46, 11, BLACK);display.println(" ");display.println("SetzeInterval"); display.display();token = 1;delay(500);} } //Button Funktion Ausführen switch (disp) { //Fütterung Ausführen case key_left: if(token){ enableStepper(); delay(20); for(int i = 0 ; i<200 ; i++) { digitalWrite(stepper_step,LOW); stepDelay(); digitalWrite(stepper_step,HIGH); stepDelay(); } disableStepper(); token=token -1; } break; //Manual Mode case key_right: if(token){ if(!digitalRead(key_left)) { manuStepps = manuStepps + 10; display.clearDisplay(); display.println("Up Run Down"); display.drawLine(0, 11, 84, 11, BLACK);display.println(" "); display.drawLine(18, 0, 18, 11, BLACK); display.drawLine(46, 0, 46, 11, BLACK); display.print(manuStepps); display.println(" Schritte"); display.println("fahren"); display.display(); delay(200); } if(!digitalRead(key_right)) { manuStepps = manuStepps - 10; display.clearDisplay(); display.println("Up Run Down"); display.drawLine(0, 11, 84, 11, BLACK);display.println(" "); display.drawLine(18, 0, 18, 11, BLACK); display.drawLine(46, 0, 46, 11, BLACK); display.print(manuStepps); display.println(" Schritte"); display.println("fahren"); display.display(); delay(200); } if(!digitalRead(key_centre)) { enableStepper(); delay(20); int tempManuStepps; if(manuStepps<0){ digitalWrite(stepper_dir,HIGH);} for(int i = 0 ; i=periodic_int) { periodic_int = millis()+1000; unsigned long time_till_feed = (timeout-millis())/60000; if(!token){ //Standard Display display.clearDisplay(); display.println("Run Zeit Man"); display.drawLine(0, 11, 84, 11, BLACK); display.drawLine(23, 0, 23, 11, BLACK); display.drawLine(56, 0, 56, 11, BLACK); display.println(" "); if(intervall){ display.println("Naechste"); display.println("Fuetterung in"); display.print( time_till_feed ); display.println("min");} else //Kein Intervall gesetzt { display.println("Intervall eingeben"); } display.display(); } if(millis()>=timeout) { if(intervall){ //Feed disp =key_left; display.clearDisplay();display.println("Fütterung");display.display(); token = 3; //Number of feedingturns timeout = (intervall*3600000)+millis(); }} } //EEPROM Save. 1x Pro Stunde if(millis()>=periodic_EEPROM && intervall) { periodic_EEPROM = millis()+3600000; hours_till_feed = (byte)(((timeout-millis())/3600000)+0.5); EEPROM.write(0,intervall); EEPROM.write(1,hours_till_feed); }}void enableStepper(){ digitalWrite(stepper_enable,LOW); digitalWrite(stepper_sleep,HIGH); //digitalWrite(stepper_reset,HIGH);}void disableStepper(){ digitalWrite(stepper_enable,HIGH); digitalWrite(stepper_sleep,LOW); //digitalWrite(stepper_reset,LOW);}void stepDelay(){ delayMicroseconds(1000);}
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