wiki.raudys.com

This is an old revision of the document!

---

EC12-type encoder

https://www.aliexpress.com/item/32748889074.html?spm=a2g0s.9042311.0.0.27424c4dV7N7fL

const int pinA = 2;
const int pinB = 3;
 
void setup() {
  Serial.begin(115200);
  pinMode(pinA, INPUT_PULLUP);
  pinMode(pinB, INPUT_PULLUP);
}
 
void loop() {
  Serial.print(digitalRead(pinA));
  Serial.print(",");
  Serial.print(digitalRead(pinB));
  Serial.println();
  delay(10);
}