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As many have noticed, Keil 5 does not have native support for Keil 4 projects (project files ending with uvproj), it only has native support for Keil 5 projects (project files ending with uvprojx). However, many of the examples provided in older versions of nRF51 SDK are only supported by Keil 4, i.e. only contain Keil 4 projects. Also, many of the examples available on Nordic Github contain only Keil 4 project. It is however possible to to make Keil 5 support both Keil 5 and Keil 4 projects. These are th...

OverviewThe UriBeacon design allows a Bluetooth Low Energy (BLE) device to periodically transmit an ADV packet that contains a URI. This technology enables any device, place or thing to become a beacon through physical association. As a consequence UriBeacon enables any object in the physical world to transmit a URI over a short distance (typically 20-30 feet), and is an enabling technology to support the Physical Web paradigm. By providing discovery, search, and control (using web pages) based on ...

Since nRF51 SDK version 8.0.0 SoftDevices binary files have become a part of the release. In order to make it easier to flash proper type and version of SoftDevice a new feature was added: each project that is using SoftDevice contains additional target called ‘flash_softdevice’ which can be used to program SoftDevice. Solution works with ARM Keil uVision 4 and 5 (with and without CMSIS Packs) and Makefiles. It is ensured that SoftDevice binary file matches SoftDevice header files used by the example....

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Hi all:I know the minimum size of CoAP is 4 bytes.what is the maximum size of CoAP?...

How many phone or tablet can be connected to a single nrf51822 or nrf51422 board over BLE? ...

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