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Modbus & Bluetooth Software Development on ESP32

I am a contract embedded electronics engineer, and I'm working on a novel industrial sensing and control project. I am looking for an embedded FreeRTOS C++ developer who is an ESP32 Ninja, and can help me with a Modbus master to harvest the data and control the system.

I have a project that requires a) harvesting data from some instruments over Modbus RTU, b) pushing that data up to an Android phone over Bluetooth Classic SPP, into a terminal window app (ascii.) I will supply hardware that plugs into an ESP dev board, which contains all the Modbus support circuits, as well as everything else required to test and develop with ease.

I'd like to keep the two in separate FreeRTOS tasks, and they should share data with an appropriate IPC.

Once this is done I need three more 'stage 2' tasks added, as new threads/tasks:

c) over Wifi connection publish the data through MQTT to a service like AIO or Node-Red, d) write the data to an SD Card, e) upgrade the Bluetooth SPP interface by supporting AT-Modem commands and controls so we can speak to an app on the phone that is expecting to get it's data from an AT-Modem interface.

Code will need to be written for readability, extension and maintenance. The tool chain should use GDB+JTAG tools, and you support expect to support me setting up the build environment and tool chain to match what you used.

This project will keep going for all of this year and most of 2022, as the product is improved, features added and requirements change.

I hope you are keen and thanks for your attention here!

Kemahiran: Elektronik, Mikropengawal, Pengaturcaraan C++, RTOS, MQTT

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Tentang Majikan:
( 6 ulasan ) Elanora, Australia

ID Projek: #30110100

Dianugerahkan kepada:


Hi I have a very good knowledge in esp32 both on idf and Arduino based off framework. recently i developed can analyser using esp32 and published the data over mqtt and built in webserver where the terminal page is Lagi

$2778 AUD dalam 20 hari
(21 Ulasan)

19 pekerja bebas membida secara purata $2534 untuk pekerjaan ini

(49 Ulasan)
(17 Ulasan)
(30 Ulasan)
(49 Ulasan)

Hello I am expert to work on the esp32 ninja, modbus, wifi and mqtt. I can help you in this project. I have noted the all details that you sent. Thanks Chanchal

$1889 AUD dalam 7 hari
(39 Ulasan)

Hi Brent, I am Mykyta I have read your proposal and attached pdf. I am an electronics engineer familiar with circuit design, microcontroller and C programming. In previous works I have developed the power monitoring fi Lagi

$2500 AUD dalam 20 hari
(29 Ulasan)

Hello. I have read your description carefully and I am very interested in your project. I am a professional electrical/electronics engineer and have actual experience in Embedded System Design based on PCB design and Lagi

$2250 AUD dalam 15 hari
(2 Ulasan)

Dear Client I am happy to submit this proposal. I have rich experience in developing the firmware of the ESP32. I have developed much firmware using the Arduino and ESP-IDF platform. I am using ESP-IDF 4.2 in Eclipse Lagi

$2500 AUD dalam 20 hari
(5 Ulasan)

Hi Sir! I am student of MSc MEchatronics and Control Engineering. I have done BSc Electrical Engineering. I am very expert in Arduino included its all module (esp32 as well). I read your description carefully. I am mu Lagi

$2200 AUD dalam 20 hari
(23 Ulasan)

Hello, your project is very suitable for me. I have rich experience in ESP32 firmware development for Free RTOS, MQTT protocol etc. Furethermore, I have completed a Android - ESP32 bluetooth communication project befor Lagi

$2000 AUD dalam 15 hari
(3 Ulasan)
(9 Ulasan)

Hi, I have read your job description well. Keeping all that in mind I can suggest and deliver you a product that can harvest MODBUS RTU/TCP data and send it over to web using HTTP/MQTT protocol. Different IOT platform Lagi

$1500 AUD dalam 7 hari
(2 Ulasan)

Hi There! I will develop/debug/update/modify All Firmware. I am an Electronics Engineer with experience in Embedded Systems Development, Protocols, Programming Firmware, Embedded C, C++ and Python. Actively Interested Lagi

$1500 AUD dalam 555 hari
(6 Ulasan)

Hey I checked the project you posted (Modbus & Bluetooth Software Development on ESP32) and very interested in your requirements. I can give you the perfect result with my skills and dedication. I have extensive exper Lagi

$2250 AUD dalam 10 hari
(0 Ulasan)

Hey there I am an individual developer. I read your job Modbus & Bluetooth Software Development on ESP32 I’m a Backend programmer with experience in Node js (its frameworks: Express, Adonis, Loopback, Sales js) and Lar Lagi

$2250 AUD dalam 9 hari
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Hello, I am an Electronics Professor and I am applying for this job as I think I am able to deliver this project on full quality. I have not worked on this device earlier but I am pretty sure that I can provide a very Lagi

$2800 AUD dalam 365 hari
(0 Ulasan)

Hello I am an IoT developer and I have developed the esp-idf using platformio. I checked the requirements and I can develop WiFi, BLE, MQTT and Modbus. For this project, I can develop the esp-idf firmware perfectly. Pl Lagi

$2500 AUD dalam 15 hari
(0 Ulasan)

So in shotrt, you read fata from some device or sensor via a specific protocol using ESP32 and publish it on bluetooth and/or wifi? You want to run two concurrent tasks on FreeRTOS?

$3889 AUD dalam 9 hari
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