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ESP32 / Arduino local network

I need to comunicate up to 32 nodes (esp32) to a single station / root (Esp32, Rasp whatever you recommed me) I have preference to use esp32 features (esp now - esp mesh - lr mode) but if you have an alternative solution (with aditional hardware) will be accepted as well

Please, don't put commercial or generic text in the proposal I will not reply, tell me I little about your possible solution and experience about it

- Expected range: ~150 meters (repeaters?)

- Lora or 433/868Mhz is discarded due Duty Cycle

- Root will broadcast a 2Kb message every second

- Nodes will send 200bytes message to root every minute or less (need ACK, message must to be recieved)

- Nodes will be in movement most of the time, 0-60km/h and will exit coverage area at some point

- There is no control about when nodes talk to station, there is a chance that even all nodes talk in the very exact moment

- Nodes has size and power restrictions, small as possible and powered by battery

- Root has NOT size and power restriction

At the moment I only need advice on the hardware (no codding) and I am looking for someone with real experience on the solution, I do not accept people who talk about theory / paper specs witouth previus field testing

Skills: Arduino, Broadcast Engineering, WiFi, Electronics, Radio Frequency

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About the Employer:
( 24 reviews ) Alicante, Spain

Project ID: #23600095

13 freelancers are bidding on average €168 for this job

Anthony989

Hello, I am Anthony from Sri lanka. I have 7 years of experience in the field of electronics. Currently I am working as a full time freelancer and I have state of the art electronic lab. Why you should h More

€140 EUR in 7 days
(51 Reviews)
6.4
xiaoguang2018

Hello. I have experience about esp32 Regards. /////////////////////////////////////////////////////////////////////////

€200 EUR in 7 days
(40 Reviews)
5.6
Gerrard97

I am an electrical engineer and interested in your project. I have read the description of your project. Kindly send me text to discuss the project in details. Thanks

€240 EUR in 7 days
(7 Reviews)
3.5
mazeemsk

Hi, I read your project details ... and you need a practical solution not theory. Solution is here... 1--WiFi Communication will be used for this project. 2--You can connect multiple ESP32 to Raspberry Pi based Hub on More

€250 EUR in 7 days
(6 Reviews)
3.7
tihadyassine

Hello, I am interested in your project and I hope to help you realize it, I am passionate about electronics and embedded development and I hope to share with you my knowledge and experience. I can do this work in 5 day More

€140 EUR in 5 days
(2 Reviews)
2.9
hsh564cf84accd96

Hi, Hope you are doing well! Thanks for sharing your project requirement with us. It will be our great pleasure to work on your project. I have checked your requirement, yes we can do it, because we already work on sim More

€140 EUR in 7 days
(7 Reviews)
3.5
akkipoh

hi we can achieve your requirements by using wifi mesh network as you know esps wifi can not send data directly 150 meters so we re route the data through other nodes which are in between the server and target node th More

€200 EUR in 30 days
(3 Reviews)
1.3
ExpertSoul

Hi There, I've reviewed your requirements, I am very interested in your post project. I'm excited with feeling that I would be able to satisfy your requirements in this job. Please leave a message on my chat so we can More

€350 EUR in 5 days
(0 Reviews)
0.0
hayteekeys

Hello, I am PhD Researcher in Electrical Engineering with specialization in Control Systems (Linear and Nonlinear Control Systems). I have Master's degree in Electrical Engineering and Bachelor's Degree in Electronics More

€30 EUR in 1 day
(0 Reviews)
0.0
techobrie

I have gone through your Job post and I can understand your job requirement thoroughly. I have a total of 15 years of experience in Web Designing and Development, AI, Mobile Development and various exepertise in Graph More

€90 EUR in 7 days
(0 Reviews)
0.0
czeiss

Hi I'm interested in your offer because of the challenge it means. I am dedicated to carrying out projects since the creation of the solution, development and manufacturing PCB (Proteus and Ares), programming, assembly More

€210 EUR in 15 days
(0 Reviews)
0.0
ebonk

Hello, I am a Raspberry Pi developer and i can help you and give you some advice about radio transmissions using WiFi and 2.4Ghz transceiver. Let me know if you interested. Regards

€150 EUR in 2 days
(0 Reviews)
3.2
lightbulb019

Hey There, We're Industrial Professionals with having wide experience in Robotics, Electronics and Communication with various Micro-Controllers like Atmega Series, Arm Series, ESP Series. We have completed many offlin More

€40 EUR in 8 days
(0 Reviews)
0.0