Beetle BLE (formerly known as Bluno Beetle) is a super-compact development board based on the Arduino Uno prototype, enhanced with Bluetooth 4.0 (BLE). This Beetle BLE super-compact development board supports both USB and wireless programming, and is perfect for wearables, DIY gifts, IoT projects, and Bluetooth-controlled applications. Fully compatible with Arduino IDE and DFRobot Bluno series, this Arduino Uno based Beetle BLE eliminates the need for complex setups. Plus, it supports Bluetooth HID and iBeacon, making the Bluetooth 4.0 (BLE) module ideal for smart devices and interactive applications. Why Choose Beetle BLE? Tiny form factor, powerful Beetle BLE performance Bluetooth Low Energy (BLE 4.0) onboard the super-compact development board No driver required for basic Arduino Uno use Supports Play Bluno app (iOS/Android) for Beetle BLE remote interaction Perfect for sewable electronics thanks to V-shaped gold-plated Beetle BLE I/O pads Features ATmega328 @16MHz Arduino Uno core Bluetooth 4.0 (BLE) via CC2540 chip on Beetle BLE HID & iBeacon support for Bluetooth 4.0 (BLE) Micro USB for direct Beetle BLE upload Wireless Arduino programming via Bluetooth 4.0 (BLE) Compatible with Beetle BLE Expansion Board for sensor integration 28.8mm x 33.1mm footprint – super-compact development board Weight: 10g Beetle BLE board Technical Specification Bluetooth Chip: CC2540 Bluetooth 4.0 (BLE) Sensitivity: -93 dBm Max Range: 50m (open field) Bluetooth 4.0 (BLE) Working Temp: -10°C to +85°C Operating Voltage: 5V Arduino Uno compatible Digital I/O: 4 Analog Input: 4 PWM Output: 2 Interfaces: UART x1, I2C x1, Micro USB x1 Beetle BLE Power Port: x2 Dimensions: 28.8mm × 33.1mm super-compact development board Weight: 10g Use Case Scenarios & Projects Project 1: How to Make a Jumping Paper Frog with Beetle BLE Project 2: How to Make a Color Light based on Bluno Beetle Arduino Uno Project 3: DIY Deer Clock Beetle BLE Project 4: BLE Plugboard with ESP32 Smart Control and Beetle BLE Project 5: How to Make a Smart Clock with Beetle BLE and ESP32 Ideal For Wearable tech with Beetle BLE BLE-based remote control Arduino Uno projects Arduino beginners & educators using Bluetooth 4.0 (BLE) Low-power & portable IoT applications on Beetle BLE Compact interactive art & toys super-compact development board Includes Beetle BLE Board ×1 Reference Wiki Schematic Layout_Top Layout_Ground
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