Write some Firmware for the Nordic nRF bluetooth chip

$250-750 AUD

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vor etwa 8 Jahren

$250-750 AUD

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Hi we need 3 sets of custom firmware to be written for nRF51822 chip that does the following: Device needs to find its satellite (Host2) and send that info to Host1. There will be one static Host1, about 2000 moving Devices and about 200 moving Host2's Devices need to find Host2 with the strongest RSSI value and send that information to Host1 roughly every 3-5 seconds. Devices need to transmit on alternating channels, in order for Host1 to better distinguish the Devices. Host1 needs to read the following information from every Device: UUID of Device + RSSI + Host2 UUID + Host2 RSSI Host1 then needs to output that data to UART port (Tx, Rx). 1. Everything should run on GZLL protocol at 250kb link with highest radio sensitivity 2. Good sample of GZLL usage is here [login to view URL] 3. If possible then it is better not to establish connection between Host1 and Devices and just read data (Device UUID + RSSI +Host2 UUID + Host2 RSSI) from the Device's adverts. We need firmware for Device, Host 1 and Host 2

Bluetooth Low Energy (BLE)

C Programming

Software Architecture

Projekt-ID: 9766698

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3 Vorschläge

Remote Projekt

Aktiv vor 8 Jahren

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@slavaten

Hello, I understand your project. I have a lot of expierence with nRF51822. I am using Keil and have dev boards and tools.

$500 AUD in 10 Tagen

4,8

(16 Bewertungen)

5,5

3 Freelancer bieten im Durchschnitt $500 AUD für diesen Auftrag

@waheni

Let me do this task *************************************************************** **************************************************************************** ******************************************************************************************

$444 AUD in 30 Tagen

5,0

(4 Bewertungen)

4,1

@kushal002

I have extensive experience in embedded domain (IoT, Industrial and Automotive). I can help you provide better solution. Please check my portfolio projects. I do have experience in Nordic chipset. Currently I am working on similar RF project based on Nordic nRF905. https://www.freelancer.com/projects/Engineering/Build-microcontroller-application-Atmel/ About to finish above project in next 3-4 days. Can start your project soon. Based on IoT, I have worked on below projects: 1] BACnet Gateway: (External Project) The project was about the gateway development for connecting existing Building Automation to Internet. My role was to design, develop and provide the complete Internet gateway solution to Building Automation on Beaglebone Black. I integrated 6LoWPAN, CoAP, oBIX, BACnet protocol on Angstrom Linux and developed gateway application over it. 2] CC3200 camera streaming using WIFI and Websocket (External Project) Beside this I have worked on number of embedded system projects. With expertise in RF Embedded domain I can help you provide better solution. Please message me if need more info. Thanks

$555 AUD in 20 Tagen