#define GPIO34 34
#define GPIO39 39
float READ34 = 0;
float READ39 = 0;
void setup(){
  Serial.begin(115200);
  delay(1000);
}
void loop(){
  READ34 = analogRead(GPIO34);
  READ39 = analogRead(GPIO39);
  Serial.printf("0.00, 3.30 %.2f, %.2f\n",READ34*3.3/4095,READ39*3.3/4095);
  delay(10);
}