Bluetooth Frame is an easy to use Bluetooth Serial Port Profile(SPP) module designed as an attachment for Seeeduino Film. It provides transparent wireless serial connection. Bluetooth module is a fully qualified Bluetooth V2.0+EDR(Enhanced Data Rate) 3Mbps Modulation with complete 2.4GHz radio transceiver and baseband. It uses CSR Bluecore 04-External single chip Bluetooth system with CMOS technology and with AFH(Adaptive Frequency Hopping Feature). It has the smallest footprint of 12.7mm x 27mm. Hope it will simplify your overall design/development cycle of Seeeduino Film.
20pin FPC connector for interfacing to Seeeduino Film
Typical -80dBm sensitivity.
Up to +4dBm RF transmit power.
Fully Qualified Bluetooth V2.0+EDR 3Mbps Modulation.
Low Power 1.8V Operation, 1.8 to 3.6V I/O.
UART interface with programmable baud rate.
Integrated PCB antenna.
Default Baud rate: 38400, Data bits:8, Stop bit:1,Parity:No parity, Data control: has.
Bluetooth Frame communicates with hardware UART of Atmega168. This UART is also used for uploading the sketch to Seeeduino Film. As ATMega168 Uart to Bluetooth Uart has 2 4.7k ohm resistors in series.You can upload sketch with Bluetooth connected, but please plug off the Uart Programmer for Bluetooth work property.
Command to change baud rate is persistent even after reset. Hence remember the baud rate for next use.
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