void setup() {
  Serial.begin(115200);
}

void loop() {
  int flex1 = analogRead(A0);
  int flex2 = analogRead(A1);
  int flex3 = analogRead(A2);

  Serial.print("Flex1: "); Serial.print(flex1);
  Serial.print(" | Flex2: "); Serial.print(flex2);
  Serial.print(" | Flex3: "); Serial.println(flex3);

  delay(200);
}