¶ KY-037
#define DIGITAL_PIN 2
#define ANALOG_PIN 0
void setup() {
pinMode(DIGITAL_PIN, INPUT);
Serial.begin(9600);
}
void loop() {
Serial.print("Digital: ");
Serial.print(digitalRead(DIGITAL_PIN));
Serial.print(" - Analog: ");
Serial.println(analogRead(ANALOG_PIN));
delay(1000);
}