ESP32 GPIO26
GPIO26 / ADC2_CH9 / DAC2
Use with care
- Fine for many uses, but check the warnings below first.
What GPIO26 can do
- Digital input/output
- ADC2 analog input (unusable while Wi-Fi is active)
- DAC analog output
- PWM output (LEDC)
Warnings for GPIO26
ADC2 unusable with WiFi
ADC2 is used by the WiFi driver. Any analogRead() on an ADC2 pin returns errors while WiFi is active. Use ADC1 pins (GPIO32-39) for analog readings when WiFi is on.
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ESP32 Pinout Studio - free interactive pinout reference. Pin data generated from Espressif's official KiCad libraries. esp32pin.com