https://wiki.raudys.com/ 2026-11-04T17:37:30+00:00 https://wiki.raudys.com/ https://wiki.raudys.com/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2019-05-29T14:17:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.raudys.com/doku.php?id=esp32:ttgo_esp32:psram&rev=1559139436&do=diff Serial.begin(115200); Serial.printf("Internal Total heap %d, internal Free Heap %d\n",ESP.getHeapSize(),ESP.getFreeHeap()); //Internal RAM //SPI RAM Serial.printf("SPIRam Total heap %d, SPIRam Free Heap %d\n",ESP.getPsramSize(),ESP.getFreePsram()); Serial.printf("ChipRevision %d, Cpu Freq %d, SDK Version %s\n",ESP.getChipRevision(), ESP.getCpuFreqMHz(), ESP.getSdkVersion()); Serial.printf(" Flash Size %d, Flash Speed %d\n",ESP.getFlashChipSize(), ESP.getFlashChipSpeed()); for (in… text/html 2019-11-14T15:05:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.raudys.com/doku.php?id=esp32:ttgo_esp32:ttgo_t8_sd_card&rev=1573743919&do=diff how to write file to esp32 t8 sd card sdcard <https://github.com/nhatuan84/esp32-micro-sdcard> <https://forum.arduino.cc/index.php?topic=594910.0> #include <SPI.h> #include <mySD.h> File root; const int chipSelect = 13; void setup() { Serial.begin(115200); Serial.print("Initializing SD card..."); pinMode(SS, OUTPUT); //SDClass::begin(uint8_t csPin, int8_t mosi, int8_t miso, int8_t sck) if (!SD.begin(13, 15, 2, 14)) { Serial.println("initialization failed!"); return; }…