PSRAM

This PSRAM module can only be installed in the S1 slot of OBJEX Link (the M0 slot closest to USBC).

PSRAM: LY68L6400SLIT

PSRAM Test

void setup() {
  log_d("Total heap: %d", ESP.getHeapSize());
  log_d("Free heap: %d", ESP.getFreeHeap());
  log_d("Total PSRAM: %d", ESP.getPsramSize());
  log_d("Free PSRAM: %d", ESP.getFreePsram());
}

void loop() {
  // some code

}