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-More informations about DFU OTA for Blend, BlendMicro, RedBearLab nRF51822 and BLE nano, please refer to the wiki page of the repository.
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+Last updated: 2014/11/21
+
+## File Brief ##
+---
+
+- **Jump2DFU:** It contains a sketch and the corresponding hex file that running on Blend / Blend Micro. The sketch demonstrates that when Blend / Blend Micro received a "DFU" string from central device, it will jump to the bootloader (no matter whether it is the DFU-OTA bootloader or the typical serial bootloader).  
+
+- **Release:** It contains the DFU-OTA bootloader we have generated for Blend / Blend Micro.
+
+- **Source:** It contains the source code and makefile to generate the DFU-OTA bootloader for Blend / Blend Micro.    
+
+- **Tools:** It contains the App running on MAC OS X to make you upload firmware to Blend / Blend Micro Over-The-Air(OTA).
+
+- **nRF51:** It contains the DFU-OTA bootloader we have generated for RedBearLab nRF51822 and BLE Nano, and the "Blink" firmware for nRF51822.
+
+
+More informations about DFU OTA for Blend, Blend Micro, RedBearLab nRF51822 and BLE nano, please refer to the [wiki page](https://github.com/RedBearLab/dfu-ota-for-blend/wiki) of the repository.
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