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Стратегия JJN-Scalper system

В архиве стратегии JJN-Scalper system вы получите:

Bluetooth Bee

Bluetooth Bee is an easy to use Bluetooth Serial Port Profile(SPP) module compatible with existing Xbee sockets, designed for transparent wireless serial connection setup. Serial port Bluetooth module is 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

Features¶

Hardware Features¶

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.

xBee compatible headers.

Software Features¶

Default Baud rate: 38400 , Data bits:8, Stop bit:1,Parity:No parity, Data control: has.

Supported baud rate: 9600,19200,38400,57600,115200,230400,460800.

Use CTS and RTS to control the data stream.

When a rising pulse is detected in PIO0, device will be disconnected.

Status instruction port PIO1: low-disconnected, high-connected;

PIO10 is connected to red led, PIO11 is connected to green led. When master and slave are paired, red and green led blinks 1time / 2s in interval, while disconnected only green led blinks 2 times/ s.

Auto-connect the last device on power as default.

Permit matched device connect by default.

Auto-reconnect in 30 min when disconnected as a result of beyond the range of connection.

Application Ideas¶

As a Wireless Serial Port for Arduino / Seeeduino and other MCUs

As a Bluetooth Serial Port for PC when connected with UartSBee

Cautions¶

While using with Seeeduino / Arduino, set the operation voltage to 3.3V. Else use a proper logic level converter.

While using with UartSBee, set the operation voltage to 3.3V

Command to change baud rate is persistent even after reset. Hence remember the baud rate for next use.

When using SoftwareSerial, do not set the baud rate above 38400

Schematic¶

Pin definition and Rating¶

Mechanic Dimensions¶

Bluetooth Bee board is of 12.7mm x 27mm size.

Usage¶

Hardware Installation¶

Connecting to Arduino with XBee Shield¶

Use a XBee® Shield to connect Bluetooth Bee to Seeeduino / Arduino. Refer the XBee® Shield documentation on how to set the toggle switches to correct positions.

Connecting to PC with UartSbee¶

Use an UartSBee to connect Bluetooth Bee to PC. Set the power selection toggle switch to 3.3V before connecting BlueTooth Bee.

Software Instruction¶

Working Sketch Map¶

The following sketch presents an overview of Bluetooth Bee operation in master and slave mode.

Flowchart¶

The following flowchart gives a quick start guide to Bluetooth Bee programming.

Commands to change default configuration¶

1. Set working MODE

| \r\n+STWMOD=0\r\n | Set device working mode as client (slave). Save and Rest. | |—||| | ** \r\n+STWMOD=1\r\n** | Set device working mode as server (master). Save and Rest. |

Note:\r\n is necessary for operation and the value of are 80x0D 0x0A in Hex. \r and \n represent carriage-return and line-feed(or next line),

3.Set Device NAME

\r\n+STNA=abcdefg\r\n Set device name as “abcdefg”. Save and Rest.

4.Auto-connect the last paired device on power

5.Permit Paired device to connect me

| \r\n +STPIN=2222\r\n | Set pincode “2222”, Save and Rest. | |—|
||| |

7.Delete PINCODE(input PINCODE by MCU)

8.Read local ADDRESS CODE

9.Auto-reconnecting when master device is beyond the valid range (slave device will auto-reconnect in 30 min when it is beyond the valid range)

Commands for Normal Operation:¶

1.Inquire¶

a) Master¶

b) Slave¶

When +INQ=1 command is successful, the red and green LEDS blink alternatively.

2.Bluetooth module returns inquiring result¶

3.Connect device¶

4.Bluetooth module requests inputting PINCODE¶

5.Input PINCODE¶

6. Disconnect device¶

Pulling PIO0 high will disconnect current working Bluetooth device.

7. Return status¶

(Note: This is not a command, but the information returned from the module after every command)

Programming¶

Flow Control Based Implementation¶

The following sketch configures Bluetooth Bee for Transportunternehmen as Slave Device and waits for connection request from PC or other master device. Bluetooth Bee is connected to Seeeduino via XBee Shield as shown above. Bluetooth Bee is connected to digital Pins 11 and 12 of Arduino / Seeduino. We use NewSoftSerial library for supporting serial communication on these pins. The hardware serial port of Arduino is available for uploading sketch or debugging. This sketch uses a flow control mechanism using CheckOK(). It avoids using arbitrary delay between each command. If CheckOK() is not required, use a delay of at least 3 seconds between commands.

Delay Based Implementation¶

The following sketch is a modification of above program using delay() instead of CheckOK(). In this case the hardware serial port is used for debugging purpose. Open serial monitor with setting 9600 baud. The complete communication between MCU and Bluetooth Bee will be visible in serial monitor.

Connecting Bluetooth Bee to PC (via Bluetooth Dongle) under GNU/Linux¶

This procedure demonstrates how Bluetooth Bee can be connected to PC under GNU/Linux OS. An USB Bluetooth Dongle is used at PC side to communicate with Bluetooth Bee. The flow control implementation sketch is uploaded to Seeeduino.

sudo apt-get install gnome-bluetooth

• Open bluetooth-properties application from shell

• Click Set up new device

and click Forward

• Set Fixed PIN 0000. 0000 is the default pin used in the above sketch.

• Device Setup Window opens

• and Setup Completed dialog opens. Click Close.

• The address of the **Bluetooth Bee**00:13:EF:00:00:24 is displayed in shell.

• Bind the Bluetooth Bee to rfcomm port. Here the address of Bluetooth Bee is bound to a serial port device /dev/rfcomm0

Bug Tracker¶

Bug Tracker is the place you can publish any bugs you think you might have found during use. Please write down what you have to say, your answers will help us improve our products.

Additional Idea¶

Implement a wireless PS/2 Keyboard / Mouse.

Wireless control a toy robot from PC.

How to buy¶

Licensing¶

This documentation is licensed under the Creative Commons Attribution-ShareAlike License 3.0 Source code and libraries are licensed under GPL/LGPL, see source code files for details.

Related Projects¶

If you want to make some awesome projects by Bluetooth Bee, here’s some projects for reference.

Seeed Pet¶

This is an interesting demo made by seeduino and Grove (title=undefined). SEEED PET is kind of an electronic pet in our studio. It is a platform for the newbie engineers to be familiar with our company’s products and practice. Every newbie engineer will be added some new ideas or elements on the SEEED PET.

Share Your Awesome Projects with Us¶

Born with the spirit of making and sharing, that is what we believe makes a maker.

And only because of this , the open source community can be as prosperous as it is today.

It does not matter what you are and what you have made, hacker, maker, artist and engineers,

as long as you start sharing your works with others,

you are being part of the open source community and you are making your contributions .

Now share you awesome projects on with us on Recipe, and win a chance to become the Core User of Seeed.

Core Users, are those who showing high interests and significant contributions in Seeed products.

We cooperate with our Core Users in the development of our new product, this, in another word, the Core Users will have the chance to experience any new products of Seeed before its official launch, and in return we expect valuable feedback from them to help us improving the product performance and user experience. And for most of cases if our Core Users have any good ideas for making things, we’ll offer hardware pieces, PCBA services as well as technical support. Besides, further commercial cooperation with the Core Users is highly possible.

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