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
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Supports Arduino IDE, MakeCode, and Mind+ graphical programming for micro:bit
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Fully compatible with Arduino, micro:bit, and STM32 controllers
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Advanced I2C and UART communication support for stable IoT education projects
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Works with MQTT, HTTP, and other standard wireless IoT protocols
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Easy integration with Easy IoT, IFTTT, ThingSpeak, and SIoT platforms
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Uses the standard PH2.0–4P Gravity Interface for rapid DFRobot Gravity prototyping
Technical Specifications
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Power Supply: 3.3V–5.5V
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Communication Interfaces: I2C, UART
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Wireless Standard: IEEE802.11 b/g/n (2.4GHz)
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Encryption: WPA/WPA2/WPA2–PSK
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Built-in Protocol: TCP/IP stack
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Dimensions: 37 × 32 mm (1.46 × 1.26 in)
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Compatible IoT Platforms: Easy IoT, IFTTT, ThingSpeak, SIoT
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Compatible IDEs: Arduino IDE, MakeCode (micro:bit), Mind+
Applications
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IoT education and training with micro:bit
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Smart home projects using WiFi IoT Module technology
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Wireless sensor networks for STEM education
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STEM/STEAM development kits
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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
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1 × Gravity: WiFi IoT Module
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1 × Gravity-4P I2C / UART Sensor Cable
Reference