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Adafruit AirLift Shield ESP32 User Manual

Adafruit AirLift Shield ESP32
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(https://adafru.it/EVw)
If you don't even get the MAC address printed out, check your wiring.
If you get the MAC address but cannot scan any networks, check your power supply. You need a solid 3-
5VDC into Vin in order for the ESP32 not to brown out.
WiFi Connection Test
Now that you have your wiring checked, time to connect to the Internet!
Open up the WiFiWebClient example
(https://adafru.it/EVx)
Open up the secondary tab, arduino_secrets.h. This is where you will store private data like the
SSID/password to your network.
© Adafruit Industries https://learn.adafruit.com/adafruit-airlift-shield-esp32-wifi-co-processor Page 43 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)