The "Beetle" series derives its core notion from minimalism without compromising functionality. Beetle aims to solve problems of low-cost controller, ease-of-using properly, and to provide a low cost solution for disposable projects, such as DIY projects, workshops, gift projects, E-Textiles and educational. For students and makers who can not afford too much on hardware purchasing, Beetle can be a great solution for them.

This Bluno Beetle is another milestone in the Beetle line, which makes DIY users have more options in the project design. It is fully compatible with Bluno in instructions and procedures. Support Bluetooth HID and ibeacon modes.

It not only supports USB programming, but also wireless programming method. With the V shaped gilded I/O interface, it is convenient to screw conductor wire on it, which could a good choice in the wearable market.

Features:

- ATmega328@16MHz

- Bluetooth Low Energy (BT 4.0)

- Micro USB port

- Super compact size

- Support Bluetooth HID and ibeacon

- Compatible with all DFRobot Bluno Series

- Support Wireless Programming

Specification:

- Bluetooth Chip: CC2540

- Sensitivity: -93dBm

- Working Temperature：-10~ +85'C

- Maximun Distance: 50m (Open field)

- Microcontroller: ATmega328

- Clock frequency: 16MHz

- Working voltage: 5V DC

- Digital Pin x 6

- Analog Pin x 6

- PWM Output x 2

- UART interface x 1

- I2C interface x 1

- Micro USB interface x 1

- Power port x 2

- Size: 28.8mm x 33.1mm

For more details please refer to download link;