#include <Toggle.h>
const uint8_t pumpPin = 2;
Toggle pump(pumpPin);

void setup() {
  pump.begin(pumpPin);
  Serial.begin(115200); Serial.println();
}

void loop() {
  pump.poll();
  if (pump.onPress())   Serial.println(F("PUMP: OFF ⇒ ON"));
  if (pump.onRelease()) Serial.println(F("PUMP: ON ⇒ OFF"));
}