Find Jobs
Hire Freelancers

Firmware Development for nrf52840 Dongle

$30-250 USD

In Progress
Posted over 4 years ago

$30-250 USD

Paid on delivery
The purpose of this project is to develop a firmware for nrf52840 DK and nrf52840 dongle, able to perform the following tasks: • Connect nrf52840 dongle with mpu9250 (accelerometer) • Nrf52840 dongle has to be in the sleep mode at the beginning of the cycle; • Nrf52840 dongle has to be waked up by an external action • Nrf52840 dongle must read vibration data from 3 axis for 500ms • Nrf52840 dongle has to calculate the vibration RMS for each axis (the code to calculate RMS will be provided by us) • Nrf52840 dongle has to send this data to other nrf52840 DK • Nrf52840 must send this data via UART to computer • After sending data, nrf52840 dongle must sleep again All the process it is explained in the attached image:
Project ID: 20783621

About the project

14 proposals
Remote project
Active 5 yrs ago

Looking to make some money?

Benefits of bidding on Freelancer

Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
14 freelancers are bidding on average $231 USD for this job
User Avatar
Hi, I hope you are doing well. I have expertise in embedded system design and development. I have worked with NRF52832/NRF52840 bluetooth modes. I have understood your project requirements and I can execute it in less possible time. Looking Forward, Khawaja
$300 USD in 7 days
4.8 (96 reviews)
6.9
6.9
User Avatar
Hello I have got your job posting “Firmware Development for nrf52840 Dongle” and I am very much interested to work in your project. I am a circuit designer and have more than 5 years experience of working with the Analog/Digital Electronics Embedded systems(Arduino,Rasberry pi ,ARM processors ,PIC microcontrollers,Wireless Wifi/BLE boards,TFT Touch Displays,All types of sensors and actuators). i have done tons of similar projects So, I think you’ll find that, I have the skills you’re looking for. For more on my skills and successfully finished projects, please have a look on my Profile and Portfolio. I have all the components available here with me so i will develop a working prototype according to your specifications and then send you the code and schematics so things will work for sure.I will remotely guide you and help you build the system on your side. I am always available on Email and Skype. Please have a voice or video chat if necessary. I shall be available round the clock and able to start your project as soon as possible according to you. Thank you for your consideration, Best Regards, Haseeb Shafqat
$300 USD in 7 days
4.7 (50 reviews)
5.7
5.7
User Avatar
Dear Sir, We are a small R & D company, based in Bulgaria, Europe. We specialize in developing Embed systems based ST(STM32), Microchip (Atmel )(PICs,AVR,Atmel ARM) and TI (MSP430) MCPUs and peripheries. For our mobile devices use nRF51/52xxx BLEs. We realize projects with requirements similar to yours. Our tools for design nRF52 based systems: Keil ARM SEGGER Embedded Studio for ARM 4.12 nRF52840 dongle - 2 st. in stock nRF52 SDK 15.3 If we receive more information about your project, we will give you a real cost and time to implement your project. Best Valeri T.
$290 USD in 10 days
4.6 (11 reviews)
5.5
5.5
User Avatar
Hi, I have more than 8 years of experience in embedded design and development. I have expertise in IoT product development based on WiFi,BLE,GSM,GPS,ZigBee etc. I have great experience in firmware development on various BLE Socs like CC2540,CC2541,CC2640,CC2650,nRF51822,nRF51844,CC2640R2F, CSR8670,nRF52832,nRF52840 etc. I have EVM of all these SOCs. So it would be really easy for me to work on your task. Let's talk. Thanks. Jitendra
$200 USD in 7 days
5.0 (11 reviews)
4.7
4.7
User Avatar
Hello, Deep is here from India. I have experience of developing firmware for NRF52840 SoC. I can help you to develop 2 startup codes as mentioned in the discription. I have already done similar work.
$130 USD in 8 days
4.8 (21 reviews)
4.3
4.3
User Avatar
Hi, I am interested to work with you on this projwct. I have been working with an MNC since last 2 years in firmware division. Let me know if you are interested. Thanks. Chirag
$166 USD in 4 days
5.0 (6 reviews)
3.8
3.8
User Avatar
Dear Sir, I am an experienced embedded system developer. I can provide, full functional firmware for your project. Best Wishes
$250 USD in 7 days
4.8 (6 reviews)
3.5
3.5
User Avatar
Hi,dear. I have just read your project and I felt happy to see it. I have experienced for +7 years in this field. Particularly, I have ever done the job like this as you want. I want to hear your advice and discuss in more details. Trust me. If you hire me, i will do my best for you. Thank you.
$200 USD in 5 days
5.0 (2 reviews)
1.0
1.0
User Avatar
Hi, Thanks for posting this job. I have rich experience on nRF52 BLE firmware & hardware. I am very interested in your project. I can fully realize your project. Please review my profile and invite me. Thanks Regards.
$100 USD in 3 days
0.0 (0 reviews)
0.0
0.0
User Avatar
Hello, I have 3+ years of experience in embedded domain. I have done many projects using Raspberry Pi, Arduino, ESP8266, ARM, AVR, Linux, GSM, GPRS, ZigBee, Bluetooth, RFID, WiFi. The scripting language I know are C, C++, python, Lua, NodeJS. I already developed an application of blue-tooth scanner and advertiser using nRF52840. I can do your project within a week. Start conversation to discuss in detail. Thanks and regards, Chirag Jogi Senior Embedded Developer
$200 USD in 7 days
5.0 (1 review)
0.0
0.0

About the client

Flag of BRAZIL
Araras, Brazil
5.0
4
Member since Jun 12, 2015

Client Verification

Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.