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RF-BM-S02 Ble4.0 Bluetooth


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RF-BM-S02 Ble4.0 Bluetooth

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RF-BM-S02 Ble4.0 Bluetooth

The module can work in bridge mode (transparent transmission mode) and direct-drive mode. After being started, the module can broadcast automatically. Smart phones with specific application running will scan and pair with it. When connection success, the smart phone can monitor and control the module through Bluetooth protocol.
In bridge mode, user 's MCU can communicate with the mobile device in two-way through module's UART. Users can also manage and control certain communication parameters through specific UART AT commands.The detailed meaning of the user data is defined by the up-application. Mobile devices can write to the module through the APP. And the data written will be sent to the user’s MCU through UART.Then the module will transmit the data package from user MCU to the mobile devices automatically.In the development under this mode, the user need to undertake the code design for MCU code,
and the code design of APP for smart mobile terminals.
Tel:+86-755-8632 9829 Fax:+86-755-8632 9413
ShenZhen RF-star Technology Co.,Ltd.
In Direct-Drive mode, users take simple periphery expansion to the module. And APP drives the
module directly through BLE protocol, to implement the monitoring and control of the module by
smart mobile devices. In this mode, users only need to do the code design for smart mobile
1. Easy to use, no need of any experience of Bluetooth protocol stack application
2. UART design for user interface, full-duplex bi-directional communication, and supporting the
minimum baud rate of 4800 bps;
3. Supporting bridge mode (USART transparent transmission), and direct-drive mode (no additional
MCU needed);
4. Default connection interval of 20ms, which makes quick connection;
5. Supporting software reset module by AT command, and access to the MAC address;
6. Supporting the adjustment of Bluetooth connection interval by AT command, and the control of
different forwarding rates (dynamic power adjustment);
7. Supporting the adjustment of the transmission power by AT command, the change of
broadcasting interval, the customization of broadcasting data, the customization of equipment UDID,
the setting of data delay (preparation time of user MCU USART receiving), the change of the
USART baud rate, and the change of the module names (all settings can be saved after power-off);
8. The length of the UART packets can be any below or equal to the arbitrary length of 200 byte
(large packet automatic distribution);
9. High-speed transparent transmission forward rate maximum up to 4 K/S and the stable rate to be
at 2.5 K to 2.5 K (IO5, IO6);
10. Supporting the change of module name by APP in mobile devices, the change of UART baud
rate and product UDID, the customization of broadcasting contents and cycle (all settings can be
saved after power-off);
11. Supporting the remote reset of module by APP in mobile devices, and the setting of
transmission power;
12. Supporting the adjustment of Bluetooth connection interval by APP in mobile devices but the
setting cannot be saved after power-off (dynamic power adjustment);
13. All IO port expansion,including debug ports
14. Supporting the connection status and the flexible configuration of broadcasting status prompt
pin / general IO;
15. 6 two-way programmable IO port, input check triggered by external interrupt, and low power
operation (applied in trigger alarm, lighting control, remote control toys, and various i/o switch);
16. 2 programmable single timing / cycling timing output port (applied in smart timing schedule);
17. 2 ADC inputs (14 bit), EN/BAN, free configuration of sampling cycle (applied in
temperature/humidity metering, photometry, & etc.);
18. 4 programmable PWM outputs (120 hz) (applied in dimming control);
19. Module-side RSSI continuous acquisition, APP readable and auto-notifying, EN/BAN, free
setting of acquisition frequency (applied in finder, anti-loss and alarm);
20. Supporting battery reading and prompt, able to auto upload (notification of remaining battery);
21. Supporting the password setting, modifying and restoring for anti-hijacking, preventing from
malicious connection from a third party. Also the notification of independent crypto-operation result
to ease the APP programming;
22. Supporting restoring factory settings by 5-second long press and the APP remote recovery;
23. Supporting the custom of PWM output initialization status (low, full, PWM output status value
before power-off);
24. Supporting the custom of PWM frequency (61.036 Hz < = f < = 8 kHz, default 120 Hz);
25. Real-time system status prompt in broadcasting contents, including battery charge, custom
UDID, current output value of 4 PWMs or collection value of 2 ADCs , the current state of IO, and
etc.;(suitable for broadcast applications);
26. 2 level pulse-width counting, 0 ~ 0 XFFFFFFFF ms (about 49.7 days);
27. Supporting internal RTC, which can be synchronized any time from APP side;
28. Supporting 6 IO and 4 PWM timing control (default setting OFF);
29. 4 PWMs to support gradient mode (suitable for dimming control);
30. Supporting the saving of IO port configuration and output status, and the customization of the
default initialization status;
31. Supporting the shallow recovery and depth recovery modes, which can recover user data
Tel:+86-755-8632 9829 Fax:+86-755-8632 9413
ShenZhen RF-star Technology Co.,Ltd.
flexibly while reserve the essential configuration of the product;
32. Supporting string prompts of Bluetooth connection status from TX UART (connection, normal
disconnection and timeout disconnection) ;
33. Supporting low-level-enabled mode and pulse-width-enabled mode, and the remote shutdown;
34. Supporting auto shutdown after 30 seconds without connection in the pulse-enabled mode;
35. Supporting timeout (break) prompt by square wave alarm in the pulse-enabled mode;
36. Extremely low power in standby mode (0.4 uA of current as per TI Official for CC2540), and the
measured power consumption data as follows
*1 Note:The official test method:connect in series a 10Ω resistor in the circuit with power supply,
intercept voltage waveform with oscilloscope and perform integration
*2 Note: Multimeter test method: connect multimeter (set at uA or mA level) in series between the
battery and the module to check the value displayed, with the test voltage of 3.07 V
Above is the measured sampling data of module RF-CC2540A1 and for reference only. If lower
power consumption is expected, connection interval or broadcast cycle can be appropriately
increased, as shown in the module parameter settings and the USART AT demands in related

-Support bridging mode (transmission) and direct drive mode (no MCU)

-Open distance transmission distance up to 130m

-High speed transmission speed of up to 6Kbps/S

-Ultra low power communication TX Current RX Current 0.5mA 0.5mA

-Models of communication support and apple iPhone4S, iPad3, iPod4 later

-Support and a Bluetooth 4 Android android4.3 mobile phone communication

-Provide IOS module testing APP source code and module driver routines

Main functions:

-At the same time support bridge mode (serial transmission), or direct drive mode (without CPU);

-The default 20ms connection interval, quick connection;

-Support AT instruction software reset module, to obtain MAC address;

-Support the AT command adjusted Bluetooth connection interval, control the forwarding rate of different;

-Support AT instruction to adjust transmit power, modify radio broadcast data interval, custom, custom equipment identification code, set the data delay;

-Serial data packet length, can be 200byte the following (including 200) of arbitrary length.

-Stable operation in the 2.5K-2.8K (IO5, IO6);

-Support mobile devices APP to modify the module name, power down save, modify the serial baud rate, product identification code, custom broadcast content, broadcast cycle;

-Support mobile devices APP for remote reset module, set the transmit power;

-Support mobile devices connected to APP interval regulating Bluetooth, power down is not preserved.

-IO expands to include debug port;

-Support the connection state, broadcasting state prompt foot / IO flexible configuration;

-6 bidirectional programmable IO, external interrupt trigger input detection, low power operation.

-2 programmable timing single / loop reversal output port (Intelligent appointment timing application);

-Two ADC input (14 bit), enable / disable, sampling period of free allocation. (temperature and humidity, photometric applications);

-Four programmable PWM (120Hz) output. (light, speed and other applications);

-Continuous data acquisition module RSSI, readable can automatically notify APP, enable / disable, sampling frequency set free. (anti lost alarm application objects);

-Support module power tips, electric quantity reading, can report. (equipment power remind);

-Support anti hijack password settings, modify and recovery, prevent malicious third party;

-Support single pin down (press) 5S restore factory settings, APP remote restore factory settings;

-Support PWM output initialization state custom (full high, low, power down before PWM output value);

-Support custom PWM frequency (61.036 Hz <=f 8 kHz, the default 120Hz);

-Broadcast content presentation module real-time system status, including the battery, custom equipment identification code, four PWM current output or two ADC collection value, the IO status; (for broadcast applications);

-Two level width count, 0 ~ 0xFFFFFFFF MS (about 49.7 days);

-Support internal real-time clock RTC, APP terminal can be synchronous calibration;

-Timing control support 6 IO and four PWM, do not open the default this function;

-Four PWM support the gradual mode (for dimming control);

-Support IO configuration and output state of preservation of function, can customize the default initialization state;

-Support shallow recovery and depth recovery mode, flexible and retrieve user data, while retaining the products must be configured;

-Support for Bluetooth from the TX serial connection state (normal connection, disconnection and timeout break) string tips;

-Support the low level enable mode and pulse width enabled mode, support remote shutdown;

-The pulse enable mode support for 30 seconds without connecting the automatic shutdown;

-The pulse enable mode support square wave alarm connection timeout.