41 lines
719 B
C++
41 lines
719 B
C++
#define pressure_port A0
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#define relay_port 5
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#define DEBUG 0
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int pressure;
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int pressure_min = 180;
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int pressure_max = 350;
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bool flag;
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unsigned long last_time_pressure;
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void setup() {
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if (DEBUG) Serial.begin(9600);
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pinMode(relay_port, OUTPUT);
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}
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void loop() {
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pressure = analogRead(pressure_port);
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if (DEBUG) Serial.println(pressure);
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if (millis() - last_time_pressure > 700) {
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last_time_pressure = millis();
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if (pressure < pressure_min) {
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if (!flag) {
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digitalWrite(relay_port, HIGH);
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flag = true;
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}
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} else {
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if (pressure > pressure_max) {
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if (flag) {
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digitalWrite(relay_port, LOW);
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flag = false;
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}
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}
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}
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}
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} |