DFRobotDFR0339射频/无线开发板和套件

Beetle BLE - The smallest Arduino bluetooth 4.0 (BLE); The Beetle BLE offers a super tiny and low cost Arduino with bluetooth 4.0. The Beetle BLE can be used for disposable projects, such as DIY projects, workshops, gift projects, E-Textiles wearable and educational. For students and makers who can not afford too much on hardware purchasing, Beetle can be a great solution for them.