Arduino UNO R4 WiFi 32-bit microprocessor 

The UNO universe expands with UNO R4 WiFi: the same industry-standard form factor at 5V operating voltage, but with the enhanced performance of a RA4M1 32-bit microcontroller by Renesas with ESP32-S3-MINI coprocessor – for increased computational power, memory and speed – as well as Wi-Fi® and Bluetooth® connectivity, a 12 x 8 LED matrix, and a Qwiic connector. More info

Arduino Uno R3 Compatible Microcontroller - Atmega328P Board

This is ABRA's very own geeekus brand Uno R3 Compatible Microcontroller - with original Atmega328P chip. The geeekus Arduino UNO can be programmed over a USB Mini-B cable using the Arduino IDE. Just plug in the board, select “Arduino UNO” from the board menu and you’re ready to upload code. A cable is included. More info

geeekus ESP32-WROOM-32

ESP32-WROOM-32, geeekus Wi-Fi + Bluetooth BLE Low Power IOT Microcontroller, 38 pin, usb micro, with original ESP32-WROOM-32 and CP2102. More Info

PHOTON 2 Particle IoT WIFI Development Board with headers

Get started with the Photon 2, and access the Particle IoT Platform-as-a-Service with a fully-featured development sandbox that includes support for up to 100 devices. Leverage easy-to-use developer tools & resources including CLIs, IDEs, APIs, SDKs, tested firmware libraries, tutorials, and our seamless device setup process for unparalleled development. More info