Software development for ESP32 and future nRF528xx and nRF9160

We need to have small keyrings/watchsize/wearable IoT devices with various functionality to track and connect to both bluetooth and wifi.

Especially BLE is of interest.

Optionally to NB-IoT, LTE-M and LoRa

Must have long standbytime, so understanding the concept of programming for ultralow power consumption is a must.

You have to show, real experience and understand how to program use the Arduino IDE or Segger IDE.

There is a number of dev./eval. Kits that will be provided. Can also use remote units connected to an laptop with Arduino IDE and Teamwiever.

We might also consider a combination of nRF9160 and ESP32 for NB-IoT/LTE-M to Wifi and BLE

Being able to implement the following sensors/peripherals in software, digital I/O, analog I/O, sensor over I2C, I2S, STI:

1) Environment sensors for air pressure, humidity, temp, and gas-sensor. Eg. BOSCH BME280 / BME680 and others.

2) Acceleration/compass component like: InvenSense MPU-9250, ST LIS2DH12, etc.

3) GPS, Glonass, Baidu, etc. position systems.

4) Calculation accurate distances by e.g. using HaverSine lib.

5) Calculate indoor position by calculating floor (e.g. heigh from barometric pressure), and triangular calc of wifi/BLI points.

6) Communicate using REST API, eg. aREST lib.

7) Communication over BLE Mesh architecture.

8) Present data on local LED display etc.

9) Present, store and retrieve data to/from the IOTA crypto network.

10) More to come.

We try to break down project in small modules that should be possible to test and simulate individually.

We can offer pament per well defined module and/or per hour.

Skills: Arduino, Microcontroller, Electronics, C Programming, Software Architecture

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About the Employer:
( 1 review ) Sola, Norway

Project ID: #21225156

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Hi! I have experience working with Bluetooth Classic/BLE partucularly with ESP32 and in less part with nRF52832. We have used the ESP32 in a battery supplied product so keeping the current consumption at lowest possibl More

$500 USD in 30 days
(13 Reviews)

19 freelancers are bidding on average $525 for this job


How are you? Like you see in my profile and portfolios, I have rich experience in C/C++, C#, and Python programming as well as microcontrollers. Especially, I completed many arduino and raspberry pi projects for such f More

$500 USD in 7 days
(80 Reviews)

Hi, I hope you are doing well. I have expertise in Arduino Projects. I have worked on LTE, NB-IoT, BLE Mesh, Nrf52840, Lora Modules using Arduino IDE. I have understood your requirements and would like to discuss it More

$500 USD in 7 days
(95 Reviews)

Hi Sir, We offer you our services to you for this project. Lets talk to us. We are professional engineers and developers who do such projects from the last 10 years. We offer you our skills for this project at ve More

$450 USD in 5 days
(56 Reviews)

Hello My name is Maria, Im an electronic engineer with a lot of experience in ESP32 projects . I am very professional doing my job and I would like to know more about your requeriments to be part of your project. I wil More

$750 USD in 7 days
(15 Reviews)

Hello I have got your job posting “Software development for ESP32 and future nRF528xx and nRF9160” and I am very much interested to work in your project. I am a circuit designer and have more than 5 years experien More

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Hi My name is Vusi and I am an Electronic Engineer with over 4 years of experience developing embedded applications, you can learn more about me from my freelancer profile or my website at [login to view URL]

$700 USD in 15 days
(31 Reviews)

Hello, I already have the esp32 on stock. So I will buy one nRF9160 and then I will give you one tested solution Also I have some sensors if need I will buy the rest. I invite you to continue the discuss on the freelan More

$1000 USD in 15 days
(7 Reviews)

Hello, I am Electrical Engineer and interested in your project. I have some questions regarding your project. Please tell me about your time limits? When you want your project to be completed? See my profile and review More

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(15 Reviews)

Hello, i have read the details provided..please contact me to discuss more on the project deadline and some other few things

$250 USD in 7 days
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Hello, On my profile, you can see an example of a smart water meter project that I recently completed. This had the following specifications: - Used an nRF52832 microcontroller. - Communicated over LoRa and BLE. - Low More

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Hey there! 3+ years of experience with ESP32. 2+ years of experience with nRF51/52 2+ years of experience with LoRA 3+ years of experience with BLE/WiFi I have portfolio to share. Please reach me out for more detail More

$500 USD in 30 days
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Hi, I would like to know in detail about your project requirements so that I can have an understanding of your project. Recently, I have completed one project "Tag-N-Track", which is based on serverless APIs like  Az More

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Hi, This is Vipin, an alumnus of IIT Kanpur. I have 6+ years of experience in customized software, web and mobile app development and has expertise in Android, iOS, Python, Magento, PHP, HTML, Java, Angular and Ioni More

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Hello. Thank you for the job posting As an electronic engineer, I have been working in PCB design/layout and firmware programming field for 10+ years. Here are some of the experiences that I worked ago. - Schematic and More

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Experience in 32-Bit ARM CORTEX-M SOCs : NORDIC NRF51422, 52832, MDBT42, BT43 Module, STM32. 16-bit: DSPIC33, IOT: Quectel M66, MC60, EC20. • Embedded C programming. • Have worked on Biomedical Devices & Sensors viz. G More

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