DFR0339

    Bluno Beetle SKU:DFR0339  Contents          1 Introduction 2 Specification 3 Pinout Diagram 4 Power Supply 5 Bluno Beetle Basic Demo 6 Wireless Programming via BLE 7 Configure the BLE through AT command 8 Update BLE Firmware 9 ICSP interface Introduction Bluno Beetle is another milestone in wearable electronics device area, 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. And 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. More instruction about Bluno Beetle can refer to DFRobot Bluno。 Specification Bluetooth Chip CC2540 Sensitivity (-93dBm) Working Temperature： (-10 Maximun Distance 50m(Open field) Microcontroller: ATmega328P Clock frequency: 16 MHz Working voltage: 5V DC Digital Pin x4 Analog Pin x4 PWM Output x2 UART interface x1 I2C interface x1 Micro USB interface x1 Power port x2   Pinout Diagram  ~ +85 )  Pin Mapping  Silkscreen RX Digital Pin 0 TX 1 SDA SCL D2 D3 D4 D5 A0 A1 A2 A3 A4 A5 2 3 4 5 A0 A1 A2 A3 PWM Channel Analog Channel UART I2C Serial1 SDA SCL 3 5 A0 A1 A2 A3 Power interface description： Silkscreen VIN 5V GND Description external power supply