2.4GHz WiFi NodeMcu IoT Development board for Arduino and other IOT projects
This module uses the popular ESP8266 microchip with full function WiFi as well as its own microcontroler, it also has the CH340 USB to Serial converter. This module can be used to add WiFi to your microntroler project or can be programed directly from the arduino IDE to work independently.
Voltage : 5VDC
Frequency : 2.4GHz
Wireless Standard : 802.11 b/g/n
Dmensions : 57mm x 30mm