The Gravity: WiFi IoT Module from DFRobot is a high-performance, compact, and beginner-friendly WiFi IoT Module designed specifically for IoT education, classroom learning, and smart home development. This versatile WiFi IoT Module works seamlessly with multiple platforms including Arduino IDE, MakeCode, and Mind+. As a core component for STEM education, it is fully compatible with popular IoT ecosystems such as Easy IoT, IFTTT, ThingSpeak, and SIoT.

With its plug-and-play Gravity interface and support for I2C and UART communication, this DFRobot Gravity series module easily connects to Arduino, micro:bit, and STM32 mainboards. It is the perfect WiFi IoT Module for building wireless, sensor-driven, or cloud-connected IoT systems in any STEM education environment.

Features

• Supports Arduino IDE, MakeCode, and Mind+ graphical programming for micro:bit

• Fully compatible with Arduino, micro:bit, and STM32 controllers

• Advanced I2C and UART communication support for stable IoT education projects

• Works with MQTT, HTTP, and other standard wireless IoT protocols

• Easy integration with Easy IoT, IFTTT, ThingSpeak, and SIoT platforms

• Uses the standard PH2.04P Gravity Interface for rapid DFRobot Gravity prototyping

Technical Specifications

• Power Supply: 3.3V5.5V

• Communication Interfaces: I2C, UART

• Wireless Standard: IEEE802.11 b/g/n (2.4GHz)

• Encryption: WPA/WPA2/WPA2PSK

• Built-in Protocol: TCP/IP stack

• Dimensions: 37 32 mm (1.46 1.26 in)

• Compatible IoT Platforms: Easy IoT, IFTTT, ThingSpeak, SIoT

• Compatible IDEs: Arduino IDE, MakeCode (micro:bit), Mind+

Applications

• IoT education and training with micro:bit

• Smart home projects using WiFi IoT Module technology

• Wireless sensor networks for STEM education

• STEM/STEAM development kits

• Data logging and cloud integration

Projects & Use Case Example

Santa Claus Detector
Detect motion near your bed using an infrared sensor and this WiFi IoT Module for micro:bit. Send real-time updates to platforms like ThingSpeak to log activity a fun and practical IoT education example!

Shipping List

• 1 Gravity: WiFi IoT Module

• 1 Gravity-4P I2C / UART Sensor Cable

Reference

Product Wiki