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| 1 | int volt; | |
| 2 | int pinoleitura = A0; | |
| 3 | unsigned long delta1; | |
| 4 | unsigned long delta2; | |
| 5 | unsigned long frequencia; | |
| 6 | void setup(){
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| 7 | Serial.begin(9600); | |
| 8 | pinMode(pinoleitura, INPUT); | |
| 9 | } | |
| 10 | void loop(){
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| 11 | do{
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| 12 | volt = analogRead(pinoleitura); | |
| 13 | }while(volt != 0); | |
| 14 | delta1 = millis(); | |
| 15 | volt = 1; | |
| 16 | do{
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| 17 | volt = analogRead(pinoleitura); | |
| 18 | }while(volt != 0); | |
| 19 | delta2 = millis(); | |
| 20 | frequencia = delta2 - delta1; | |
| 21 | Serial.println(frequencia); | |
| 22 | } |
