#include <Arduino.h>

void setup() {
  Serial.begin(115200);
  Serial.println("started:");
}

void loop() {
  Serial.print("Total heap: ");
  Serial.println(ESP.getHeapSize());
  Serial.print("Free heap: ");
  Serial.println(ESP.getFreeHeap());
  Serial.print("Total PSRAM: ");
  Serial.println(ESP.getPsramSize());
  Serial.print("Free PSRAM: ");
  Serial.println(ESP.getFreePsram());
  delay(1000);
}