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Delivery within 2 to 4 business days.
Espressif's official audio board: ESP32-S3, two microphones, a speaker and a 2.4-inch 320x240 display. Enough to run voice recognition right on the board, with no remote server.
WeAct board built on the Raspberry Pi RP2350, with its two ARM cores and two RISC-V cores to choose from. 48 GPIO broken out and 16 MB of Flash: plenty of pins to drive without running short on space.
Delivery within 2 to 4 business days.
Development board the size of a stamp: RISC-V ESP32-C3, Wi-Fi and Bluetooth 5, external antenna connector. The cheapest of the XIAO range.
Delivery within 2 to 4 business days.
The official ESP8266 development board, built around the external-antenna ESP-WROOM-02U module, with USB onboard. Plug it in and flash it, a quick base for a small Wi-Fi device.
Delivery within 2 to 4 business days.
Official ESP8266 module test board: the module sits on spring contacts, no soldering. For flashing and testing before you solder.
Delivery within 2 to 4 business days.
Official ESP32-C6 development board, Wi-Fi 6, BLE 5.3, Zigbee and Thread. Two USB-C ports, RGB LED, 2.54 mm headers.
Delivery within 2 to 4 business days.
XIAO board built on ESP32-S3: dual core, Wi-Fi and BLE 5, external antenna connector, and enough power for a small on-device model.
Delivery within 2 to 4 business days.
ESP8266 board in the FireBeetle form factor, Wi-Fi, ten digital inputs and one analog. Built-in battery charging, low standby current.
Delivery within 2 to 4 business days.
XIAO board built on nRF52840: Bluetooth 5, NFC, and a few microamps in sleep. For a sensor that must run for months on a battery.
Delivery within 2 to 4 business days.