ESP32 GPIO6
GPIO6 / SD_CLK
Avoid this pin
- It has a hard conflict - pick a different GPIO.
Warnings for GPIO6
Reserved for flash / PSRAM
GPIO6-11 are connected to the internal SPI flash. Using them for anything else will crash the ESP32.
Open the interactive ESP32 pinout →All ESP32 pins
GPIO0 · GPIO1 · GPIO2 · GPIO3 · GPIO4 · GPIO5 · GPIO6 · GPIO7 · GPIO8 · GPIO9 · GPIO10 · GPIO11 · GPIO12 · GPIO13 · GPIO14 · GPIO15 · GPIO16 · GPIO17 · GPIO18 · GPIO19 · GPIO21 · GPIO22 · GPIO23 · GPIO25 · GPIO26 · GPIO27 · GPIO32 · GPIO33 · GPIO34 · GPIO35 · GPIO36 · GPIO39
ESP32 Pinout Studio - free interactive pinout reference. Pin data generated from Espressif's official KiCad libraries. esp32pin.com