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BLE Card Project

Moto: Need to check the location of the card in zones with a long battery life of 2 years

Design idea:

Nordic nrf52 + key1 + Led (low power) + MCU chip (ultra-low power) + 2 x CR3032

Purpose:

Need to make a broadcaster with the following parameters

macid,uuid,temp,rssi,key_state, datetime

Note: If the key is press long for 3 sec it will change a bit of key_state to 1 else show 0

Settings:

Read DateTime from phone/uart and update rtc

The set time interval of broadcast (default time interval is 1sec)

Set UUID

Set Sleep time will be set (say if time is set 07:00 14:00 then it should transmit between those interval other hours it should sleep)

Requirement:

Sch files

Gerber files

BOM

Firmware development

App to show the above data is got at receiving end

Квалификация: Arduino, Электротехника, Электроника, Микроконтроллер, Разводка печатной платы

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О работодателе:
( 0 отзыв(-а, -ов) ) Stockholm, Sweden

ID проекта: #19277249

11 фрилансеров(-а) в среднем готовы выполнить эту работу за $654

mechatronicsengr

Hi, I hope you are doing well. I have extensive experience in BLE based embedded projects using NRF51 and NRF52 module. I have understood your requirements and I can execute it in less possible time. Looking F Больше

$1000 USD за 15 дней(-я)
(80 отзывов(-а))
6.6
amelectronics

Hello sir, I have experience in designing electronics circuits and can develop hardware compatible smartphone and PC based apps. I also have done a lot of IoT projects and can transform your idea into a fully working Больше

$1250 USD за 30 дней(-я)
(37 отзывов(-а))
6.6
DreamCha

Thanks sharing your project. As I'm a Senior Embedded System Engineer, so I have rich experiences in embedded device development using BLE/Bluetooth, Wifi, USB, RFID over 8+ years. Especially, I had developed m Больше

$700 USD за 3 дней(-я)
(20 отзывов(-а))
6.2
microembedded

Hi there i have 5+ years experience with nrf52. I have made many BLE based low power high battery time. I can develop this project for you. Let me know if you are interested.

$1000 USD за 30 дней(-я)
(32 отзывов(-а))
6.3
endlessflier

Hello! Thanks for posting this job. I would love to have the opportunity to discuss your project with you. I have perfect skill with both bluetooth and wifi. - My Skills & Experiences: Arduino Firmware ESP Больше

$1250 USD за 3 дней(-я)
(11 отзывов(-а))
5.1
leons01

Hello, We have 15 years of work experience in manufacturing and have worked extensively in china, Apac countries and India. We have a team of Designing and Developing Electronics Projects and have good experience Больше

$1111 USD за 3 дней(-я)
(2 отзывов(-а))
4.7
soltracker

yes buddy, an easy project to handle,,,,u will get the best work accompanied with brotherhood,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

$100 USD за 3 дней(-я)
(27 отзывов(-а))
4.0
braincenter

I DO NOT OUTSOURCE I have been a freelancer for the past 8 years, I believe that my experience and skill in this background will prove to be of great help to you. Contact me to discuss more on the details

$150 USD за 3 дней(-я)
(4 отзывов(-а))
3.7
truongdeptrai

I have experience in microcontroller with this type of communication by doing a lot of projects base on STM32 core and SIM900A. I also have done project smart home, connect and transmit temperature, humidity for my ho Больше

$277 USD за 13 дней(-я)
(0 отзывов(-а))
0.0
BEMII

Hi, I develop customer-specific products and know-how-related solutions. Am willing to work on this project with you. Before giving any proposal I would to have a clear discussion with you. Don’t pay too much Больше

$200 USD за 5 дней(-я)
(0 отзывов(-а))
0.0
kubavit

Hi, im interested in this project. I have an experience in nordic BLE chips and PCB design. Feel free to contact me via freelancer or [login to view URL]

$155 USD за 10 дней(-я)
(0 отзывов(-а))
0.0