const int input[] = {36, 39, 34 ,35 ,32 ,33 ,25 ,26};
long inputValue[] = {0, 0, 0, 0, 0, 0, 0, 0};
const int numPins = sizeof(input) / sizeof(input[0]);

#define RXD2 (16)
#define TXD2 (17)

void setup() {
  //Serial.begin(115200);
  Serial2.begin(9600, SERIAL_8N1, RXD2, TXD2);
  analogReadResolution(12);
  analogSetAttenuation(ADC_11db);
}

void values2uart() {
  for (int i = 0; i < numPins; i++) {
    Serial2.print(input[i]);
    Serial2.print("-");
    Serial2.print(inputValue[i]);
    Serial2.print("\n");

  }
}

void loop() {
  for (int i = 0; i < numPins; i++) {
    inputValue[i] = map(analogRead(input[i]), 0, 4096, 0, 25);
  }

  values2uart();
  delay(50);
}