STEMMA QT and NeoPixel Power
The ESP32-S3 TFT Feather is equipped with a STEMMA QT port and NeoPixel which
are both connected to their own regulators. Unlike the one controlled by the ENable
pin, these two are controlled by GPIO. They are enabled by default in CircuitPython
and Arduino. You can disable it manually for low power usage. The STEMMA pin is
available in CircuitPython as I2C_POWER and in Arduino as TFT_I2C_POWER . The
NeoPixel pin is available in CircuitPython and Arduino as NEOPIXEL_POWER .
If you run into I2C, TFT, or NeoPixel power issues on Arduino, ensure you are
using the latest Espressif board support package. If you are still having issues,
you may need to manually pull the pin high in your code.
©Adafruit Industries Page 35 of 263
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