Gravity: WiFi IoT Module (Compatible with micro:bit / Arduino)

Gravity: WiFi IoT Module is a compact wireless connectivity board designed to simplify Internet‑of‑Things development in education and rapid prototyping environments. The WiFi communication module integrates stable 2.4 GHz networking with an easy Gravity connector, enabling quick integration with controller platforms such as micro:bit, Arduino, STM32 boards, and other embedded systems. Multiple programming ecosystems including Arduino IDE, MakeCode, and Mind+ are supported, allowing beginners and advanced developers to deploy connected devices quickly. Built‑in TCP/IP networking and compatibility with common IoT cloud services make this wireless IoT expansion board suitable for classroom experiments, smart devices, and interactive automation projects.

Figure: Board Overview

Multi‑Platform Programming Compatibility

This Gravity-series wireless networking board supports several widely used development environments, enabling flexible workflows for both beginners and experienced developers. Graphical platforms such as MakeCode and Mind+ simplify entry-level IoT experimentation, while Arduino IDE enables deeper firmware customization and embedded networking control. Broad software compatibility allows the WiFi interface module to integrate smoothly into educational labs, rapid prototyping environments, and advanced IoT product testing pipelines.

Flexible Controller Integration

Designed for versatile hardware connectivity, this IoT communication module supports both I2C and UART interfaces, allowing seamless integration with a wide range of microcontroller boards. The Gravity PH2.0‑4P connector simplifies wiring while maintaining stable communication. Compatibility with popular controllers such as micro:bit, Arduino, STM32, and other development boards enables makers, educators, and engineers to quickly add wireless networking capabilities to robotics platforms, sensing systems, and interactive devices.

Built‑in Networking Protocol Support

This wireless IoT expansion board integrates a TCP/IP protocol stack and supports widely used application protocols including MQTT and HTTP. Compatibility with common IoT cloud platforms such as Easy IoT, IFTTT, ThingSpeak, and SIoT allows fast deployment of remote monitoring, cloud data logging, and automation workflows. Reliable IEEE802.11b/g/n connectivity at 2.4 GHz enables stable communication for connected sensors, automation systems, and remote control applications.

Typical implementations include IoT classroom demonstrations, smart home automation prototypes, cloud-connected sensor networks, and interactive robotics projects. The compact WiFi networking module allows embedded systems to transmit data to cloud services, receive remote commands, and participate in distributed IoT environments, making the board a practical component for STEM learning kits and rapid connected‑device development.