#define BITS 12
#define RED_LED_PIN 2
#define GREEN_LED_PIN 4

void setup(){
  Serial.begin(115200);
  pinMode(RED_LED_PIN, OUTPUT);
  pinMode(GREEN_LED_PIN, OUTPUT);
  analogSetAttenuation(ADC_11db);
  analogSetWidth(BITS);
  ledcSetup(0, 5000, BITS);
  ledcSetup(1, 5000, BITS); 
  ledcAttachPin(RED_LED_PIN, 0);
  ledcAttachPin(GREEN_LED_PIN, 1);

  ledcWrite(1, 5000);
}

void loop(){
  uint16_t val = analogRead(32);
  Serial.printf("val= %u\n",val);
  ledcWrite(0,val);
  uint16_t green_val = val-4095;
  ledcWrite(1,green_val);
  delay(1000); 
}