The NodeMCU WIFI Module is something we love to use here at Echolo, it provides us with the ability to quickly prototype ideas and new products for our customers. The module can easily be connected to the Echolo IoT Platform via any Arduino MQTT client!
Model Number: NodeMcu Development Board
Supply Voltage: 5v
Operating Temperature: -30 ~ 85 Celsius
Application: IoT Development Board for Echolo IoT Platform