EEDU Kits offer three ready-to-use hardware platforms for exploring AI, IoT, and environmental sensing with Arduino-compatible programming. Built around the FireBeetle 2 ESP32-E microcontroller (supporting Wi-Fi/Bluetooth), each kit includes application-specific peripherals—enabling rapid prototyping without complex wiring. Ideal for STEAM education, smart home projects, and IoT prototyping, these cost-effective kits feature open-source designs and step-by-step tutorials for all skill levels.
Key Features
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ESP32-E Core:
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240MHz dual-core processor + 4MB Flash for edge AI tasks (e.g., sensor data analysis).
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Low-power modes extend battery life for field deployments
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Plug-and-Play Peripherals:
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Audio: DFPlayer Pro MP3 module (128MB storage) + 3W stereo speaker for voice alerts.
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Sensing: URM37 ultrasonic sensor (2–800cm range), PIR motion detector, and RTC module for time-stamped data.
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Control: 10A relay for high-power devices (e.g., lights, motors).
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Expandability:
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Gravity I²C Hub simplifies adding sensors (e.g., air quality monitors).
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LED buttons provide tactile feedback for interactive projects.
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Specifications
| Category | Details |
|---|---|
| Main Board | FireBeetle 2 ESP32-E (SKU: DFR0654) |
| Wireless | Wi-Fi 4 (802.11 b/g/n), Bluetooth 4.2 LE |
| Power | 5V USB-C input • Supports Li-ion batteries via Gravity connector |
| Relay Capacity | 10A/250V AC or 10A/30V DC |
| Ultrasonic Range | 2–800cm (URM37 sensor) |
| Audio Storage | 128MB (DFPlayer Pro) |
| Interfaces | I²C Hub, UART, GPIO pins via Gravity IO Shield |
Applications
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Smart Campus: Monitor classroom occupancy via PIR sensors + relay-triggered alerts.
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Environmental Sensing: Track air/water quality by adding Gravity sensors (e.g., CO₂, pH).
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Voice-Controlled IoT: Use DFPlayer Pro for custom voice commands (e.g., "turn on lights").
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Robotics: URM37 sensor enables obstacle avoidance for DIY robots.
Advantages
- Beginner-Friendly:
Pre-soldered headers + Arduino libraries let you build functional prototypes in <30 mins.https://youtu.be/jXMwtu0voF4
- Scalable Design:
Start with tutorials (e.g., motion-activated audio), then expand to Home Assistant integration or cloud data logging.
- Eco-Conscious:
Recyclable packaging and low-power components align with sustainability goals.
- All-in-One Value:
Includes 9 sensors/modules + wiring kits—no extra purchases needed
Package Contents
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FireBeetle 2 ESP32-E ×1
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Gravity IO Shield ×1
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Gravity 10A Relay ×1
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DFPlayer Pro (128MB) ×1
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URM37 Ultrasonic Sensor ×1
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PIR Motion Sensor ×1
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I²C Hub ×1, RTC Module ×1
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LED Buttons ×2, Jumper Wires ×10, 3W Speaker ×1
Getting Started
- Assemble the Gravity IO Shield onto the FireBeetle.
- Connect sensors via I²C Hub (e.g., PIR → motion detection).
- Program using Arduino IDE with preloaded examples (e.g., ultrasonic distance logging).
- Expand with Gravity ecosystem sensors (CO₂, soil moisture, etc.) for advanced projects.