blue tooth low energy

Idea is to use TI２５４１ chip

module source:
1. in Taiwan, but don't see and firmware
http://www.joybien.com/download/DATASHEET_EN(UART)A.pdf
2.BLE112 Bluetooth Low Energy Breakout
http://www.inmojo.com/store/jeff-rowberg/item/ble112-bluetooth-low-energy-breakout/
http://www.bluegiga.com/BLE112_Bluetooth_low_energy_module

BGlib:
https://github.com/jrowberg/bglib/tree/master/Arduino
how to Programming the BLE112 using BGScript:
http://blog.bluetooth-smart.com/2012/09/16/programming-the-ble112-using-bgscript/
Programming the BLE112 with C code using IAR:
http://blog.bluetooth-smart.com/2012/09/11/programming-the-ble112-with-c-code-using-iar/#more-213

another BLE112 based shield:
source:http://www.mkroll.mobi/?p=517
http://www.mkroll.mobi/?page_id=386
well documented:
https://github.com/michaelkroll/BLE-Shield


redbear BleFirmata using CC2540 USB interface one
http://redbearlab.com/bleshield/
with central support




BLEmini SDK
http://redbearlab.com/blemini#SDK
https://github.com/RedBearLab/Release/commit/d846e5fbff876c9c03d32b7c66613eb1af5049c1

============================================================
about iOS software develop
The iOS SDK
However, if you are developing on iOS there is plenty of source code examples available to you, including the source of the TI SensorTag app that we looked at earlier.

techBASIC
If you’re not that keen on developing native applications for iOS to support the SensorTag, there is also Bluetooth Low Energy support in techBASIC. The techBASIC environment is a full implementation of the BASIC programming language which allows you to develop and run apps on the iPad (and the iPhone) that look just like native applications. However, it also supports taking external data, both using the HiJack board and via Bluetooth Low Energy if your hardware supports it, and it lets you do some impressive things like collecting and analysing data from a model rocket flight.

nice to see:
http://processors.wiki.ti.com/index.php/Bluetooth_SensorTag?INTC=SensorTag&HQS=SensorTag-wiki

get sensor tag data from raspi with any BLE4 dongle
http://mike.saunby.net/2013/04/raspberry-pi-and-ti-cc2541-sensortag.html

Blinkiverse Bluetooth Low Energy Shield: TI2541, but no srouce
https://github.com/blinkiverse/BleShield

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