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| int ledPin1 = 11; | |
| int ledPin2 = 12; | |
| int ledPin3 = 13; | |
| int ledPin4 = 10; | |
| int ledPin5 = 9; | |
| int ledPin6 = 8; | |
| void setup() { | |
| pinMode(ledPin1,OUTPUT); | |
| pinMode(ledPin2,OUTPUT); | |
| pinMode(ledPin3,OUTPUT); | |
| pinMode(ledPin4, OUTPUT); | |
| pinMode(ledPin5, OUTPUT); | |
| pinMode(ledPin6, OUTPUT); | |
| } | |
| void loop() { | |
| // read the input on analog pin 0: | |
| int sensorValue = analogRead(A0); | |
| // The analog pin reads from 0 to 1023. | |
| // This commands maps those numbers from 4 to 0 | |
| // So 0 becomes 4 and 1023 becomes 0 | |
| Serial.println(sensorValue); | |
| int mappedSensorValue = map( sensorValue, 0, 1023, 7 , 0); | |
| //Here we test the mappedsensorvalue. If it is greater then 1 we turn | |
| // on the LED on Pin 2 and then see if it is greater then 2. | |
| if (mappedSensorValue > 1) { | |
| digitalWrite (ledPin1, HIGH); | |
| if (mappedSensorValue > 2) { | |
| digitalWrite (ledPin2, HIGH); | |
| if (mappedSensorValue > 3) { | |
| digitalWrite (ledPin3, HIGH); | |
| if (mappedSensorValue > 4) { | |
| digitalWrite (ledPin4, HIGH); | |
| if (mappedSensorValue > 5) { | |
| digitalWrite (ledPin5, HIGH); | |
| if (mappedSensorValue > 6) { | |
| digitalWrite (ledPin6, HIGH); | |
| } | |
| else{//If it is not greater we start turning LEDs off. | |
| digitalWrite (ledPin6, LOW); | |
| } | |
| } | |
| else{ | |
| digitalWrite (ledPin5, LOW); | |
| } | |
| } | |
| else{ | |
| digitalWrite (ledPin4, LOW); | |
| } | |
| } | |
| else{ | |
| digitalWrite (ledPin3, LOW); | |
| } | |
| } | |
| else{ | |
| digitalWrite (ledPin2, LOW); | |
| } | |
| } | |
| else{ | |
| digitalWrite (ledPin1, LOW); | |
| } | |
| } |
I added 3 leds to this code so now there are 6 lights
