/// set /// - USB CDC on Boot: enabled /// - PSRAM: QSPI RAM #include void setup() { Serial.begin(115200); Serial.printf("Total heap: %d\n", ESP.getHeapSize()); Serial.printf("Free heap: %d\n", ESP.getFreeHeap()); Serial.printf("Total PSRAM: %d\n", ESP.getPsramSize()); Serial.printf("Free PSRAM: %d\n", ESP.getFreePsram()); } void loop() { }