Firmware development for esp32 to pull data from modbus energy meter

Completed Posted 1 year ago Paid on delivery
Completed

We want to develop a esp32 based smart device which will be able to pul data from a 3 phase multi functional meter with rs 485 / modbus enabled .

Once the data is read from the energy meter , we need to publish that data over json as MQTT client to a MQTT raspberry pi as subscriber in a LAN or to a MQTT subscriber /server in remote cloud

Linux C Programming MQTT JavaScript Amazon Web Services

Project ID: #34262602

About the project

10 proposals Remote project Active 1 year ago

Awarded to:

deeproadrash

Hello, I have expertise in MODBUS RS285 protocol. Also I have developed MODBUS master/slave on ESP32. I have also worked with MQTT protocol to send data to cloud. You can check my profile for previous MODBUS & ESP32 ba More

₹10000 INR / hour
(21 Reviews)
5.0

10 freelancers are bidding on average ₹2783/hour for this job

mrjadhav

Hi, I am embedded system developer. I have experience of using esp32. We have developed multiple projects for different companies based on esp32 for various purposes. I develope the required mqtt and modbis based appli More

₹3000 INR / hour
(19 Reviews)
5.0
elect2eng

Hello, I have done many projects with rs485 midbus,esp32 and mqtt. Please send me the details of your energy meter register definitions, the data format. Have you tried to get the data with modscan?

₹1250 INR / hour
(26 Reviews)
4.8
amitarai

✔️ Hello, I've just had a look at your job post carefully. We have good understanding about MQTT raspberry pi and we can assist you to develop a system that read data from meter. Lets connect and discuss this in more d More

₹1500 INR / hour
(12 Reviews)
5.0
qureshi009

Hi https://www.freelancer.com/projects/python/need-Coder-33110639 done similar tasks using Raspberrry pi 3,4 , Arduino etc lets discuss

₹2200 INR / hour
(8 Reviews)
3.3
sjpremkumar7476

I am sure about my skill for your project And i can do your project better and perfect with my skills.

₹1875 INR / hour
(0 Reviews)
0.0
ArmanMaghakelyan

⭐⭐⭐⭐⭐I am senior Firmware ,QT and C++ Developer ⭐⭐⭐⭐⭐ I've seriously read your post and I have understood what you need. I am sure that I can be the best developer who can perfectly complete your project. I am a seni More

₹1250 INR / hour
(0 Reviews)
0.0
ramgu

I'm an electronic engineer with 10 years of embedded software development. Broad experience with Modbus, MQTT and with energy meters. I do master other protocols as DNP3, IEC61850 (energy related protocols), SNMP, Modb More

₹3000 INR / hour
(0 Reviews)
0.0