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Adafruit AirLift Shield ESP32 User Manual

Adafruit AirLift Shield ESP32
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Upgrade External ESP32 Airlift Firmware
To support BLE on the ESP32 AirLift, you'll need NINA_W102-1.7.1.bin or later.
External AirLift FeatherWing, Shield, or ItsyWing
External AirLift boards have three optional ESP32 control pins which are not connected by default:
ESPGPIO0
ESPRX
ESPTX
Make sure to solder each of these pads together. You will not
be able to upload firmware to your ESP32 if they are not
connected.
© Adafruit Industries https://learn.adafruit.com/adafruit-airlift-shield-esp32-wifi-co-processor Page 48 of 56

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Adafruit AirLift Shield ESP32 Specifications

General IconGeneral
MicrocontrollerESP32
InterfaceSPI
WiFi802.11 b/g/n
Voltage Level3.3V
TypeShield
SD Card SocketNo
Wireless ConnectivityWiFi
Input Voltage5V
Flash Memory4 MB
SRAM520 KB
Clock Speed240 MHz
USBNo
Compatible BoardsArduino Uno, Mega
AntennaCeramic
Digital I/O PinsNot directly accessible (used for SPI communication)