Stap 3: Laden uw code op de Arduino
U kunt de code schets hier downloaden: https://github.com/robotgeek/aquariumPumpDemo/archive/master.zip
/*********************************************************************************** * Aquarium Pump Refil Demo * _______________ * | ___________ | * _____________________| |____ | | * | U <>< | | | * | | | | * | ><> <>< | _|_|_ * | <>< | | | * |__________________________| |___| * * This demo will show you how to control a RobotGeek Pumping Station (or any other * motor/pump via relay) based on input from a float switch. This will allow you to * build an automated Aqurium refil pump, refilling your aquarium whenever it gets * to low. * * Wiring * Pin 2 - Float Switch * Pin 4 - RobotGeek Pushbutton relay/pumping station 1 * Pin 7 - RobotGeek LED * * Control Behavior: * If the float switch is not floating (i.e. empty tank) then turn on the pump and led * If the float switch is floating (i.e. full tank) turn off the pump and LED * * External Resources * ***********************************************************************************/ //define the input/output pins #define FLOAT_SWITCH_PIN 2 #define PUMP_1_PIN 4 #define LED_PIN 7 //setup runs once void setup() { //setup input pins for float switch //Too use a bare switch with no external pullup resistor, set the pin mode to INPUT_PULLUP to use internal pull resistors. This will invert the standard high/low behavior pinMode(FLOAT_SWITCH_PIN, INPUT_PULLUP); //setup output pins for relays/pumping station and LED board pinMode(PUMP_1_PIN, OUTPUT); pinMode(LED_PIN, OUTPUT); } //loop() runs indefinitely void loop() { //check to see the state of the float switch. These states are assuming the pin is using an internal pullup resistor. // LOW corresdponds to the float switch being at its lowest point (i.e. low water) if(digitalRead(FLOAT_SWITCH_PIN) == LOW) { digitalWrite(PUMP_1_PIN, HIGH); //turn on the pump digitalWrite(LED_PIN, HIGH); //turn on the LED } //otherwise the float switch is HIGH // HIGH corresponds to the float switch being at its higest point (i.e. full water) else { digitalWrite(PUMP_1_PIN, LOW); //turn off the pump digitalWrite(LED_PIN, LOW); //turn off the LED } }