ESP8266 GPIO6
GPIO6 / SCLK / SPICLK
Avoid this pin
- It has a hard conflict - pick a different GPIO.
Warnings for GPIO6
Reserved for flash
Wired to the SPI flash of the module. Using it for anything else will crash the chip.
Open the interactive ESP8266 pinout →All ESP8266 pins
GPIO0 · GPIO1 · GPIO2 · GPIO3 · GPIO4 · GPIO5 · GPIO6 · GPIO7 · GPIO8 · GPIO9 · GPIO10 · GPIO11 · GPIO12 · GPIO13 · GPIO14 · GPIO15 · GPIO16 · A0
ESP32 Pinout Studio - free interactive pinout reference. Pin data generated from KiCad's own stock symbol and footprint libraries (Espressif publishes no ESP8266 KiCad data). esp32pin.com