{"title":"Beetle BLE - The smallest Arduino bluetooth 4.0 (BLE)","handle":"beetle-ble-the-smallest-arduino-bluetooth-4-0-ble","url":"/products/beetle-ble-the-smallest-arduino-bluetooth-4-0-ble","description":"\n  Bluno Beetle - The smallest Arduino Board is another milestone in wearable electronics device area based arduino uno, which makes DIY users have more options in the project design. It is fully compatible with Bluno in instructions and procedures, supporting Bluetooth HID and ibeacon modes.&nbsp;\nAnd 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.\n\nSpecification\nBluetooth Chip &nbsp; &nbsp;CC2540Sensitivity &nbsp; &nbsp;(-93dBm)Working Temperature： &nbsp; &nbsp;(-10 ℃ ~ +85 ℃ )Maximun Distance &nbsp; &nbsp;50m(Open field)Microcontroller: &nbsp; &nbsp;ATmega328PClock frequency: &nbsp; &nbsp;16 MHzWorking voltage: &nbsp; &nbsp;5V DCDigital Pin &nbsp; &nbsp;x4Analog Pin &nbsp; &nbsp;x4PWM Output &nbsp; &nbsp;x2UART interface &nbsp; &nbsp;x1I2C interface &nbsp; &nbsp;x1Micro USB interface &nbsp; &nbsp;x1Power port &nbsp; &nbsp;x2\n\nDocuments:\nPin Out diagram and info &nbsp;- https://www.dfrobot.com/wiki/index.php/Bluno_Beetle_SKU:DFR0339#Pinout_Diagram\n\n\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":12303,"title":"Default Title","sku":"DF-DFR0339","price":24.14,"on_sale":false,"in_stock":true,"available_quantity":331,"option1":"Default Title"}]}