Adafruit ESP32 WiFi Coprocessor AirLift Shield allows the use of an ESP32 as a WiFi or BLUETOOTH® Low Energy (BLE) coprocessor. This shield handles all connections to a WiFi network and data transfer from a site, even using TLS/SSL encryption (pre-burned in root certificates). The AirLift shield incorporates the ESP32 module with a separate 3.3V regulator and a tri-state chip for MOSI that enables sharing of the SPI bus with other shields. The ESP32 also supports BLE, though not simultaneously withWiFi. A microSD socket helps to host or store data from the internet. The device comes fully assembled/tested and pre-programmed with the ESP32 SPI WiFi coprocessor firmware.
Enables the use of the ESP32 module as a WiFi co-processor
Does not have built-in WiFi
Handles the connection to a WiFi network and data transfers from a site
Supports BLUETOOTH Low Energy (BLE), not simultaneously with WiFi
Comes fully assembled/tested and pre-programmed with ESP32 SPI WiFi coprocessor firmware
Comes with a micro SD card socket
Requires only an SPI bus, 2x control pins, and a power supply that provides up to 250mA during WiFi usage
Incorporates the ESP32 module with a separate 3.3V regulator and a tri-state chip for MOSI
Sends basic socket-based commands over 8MHz SPI for high-speed data transfer
Espressif Systems Dual-Core Wi-Fi Dual-Mode Bluetooth Modules
Compact low-power devices designed to provide a complete wireless solution for IoT applications.