The core hardware inside ESPresso Lite V2.0 is Espressif System's ESP8266 WROOM-02 WiFi module and is programable using the Arduino IDE like how anyone would run their programs in other Arduino boards. With this kit, we have included the ESPresso Lite V2.0main board, UC00A (USB to UART Converter), OLED display, DHT22 sensor and USB mini B cable (for UC00A).
Espresso Lite V2.0 Specs and Features:
Features Espressif System's ESP8266 WROOM-02 Wi-Fi module (with 4Mb flash)
Design for IoT with free espert.io cloud and app service
Support the Arduino IDE (boards manager) and libraries
Auto program loading from Arduino IDE, using UC00A (or other compatible USB to Serial)
Vin: 5 to 12VDC
Operating Voltage: 3.3VDC
On board 3.3V Voltage Regulator with maximum current of 800mA continuous, 1A peak