i need a program for my devices' communication.

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Hi, I have experience for 15+ years in electronics/embedded development. In my point of view, there's 2 ways to implement your project, both using RF: one not accurate at all in terms of distance, and other very accurate in terms of distance/positioning. In both cases, I propose using LoRa radio modules that can handle long range radio communications. As the microcontroller, I suggest any arduino compatible MCU/board for simplicity in replicating the setup on your side. 1. Distance not accurate at all: One transmitter and one receiver, where the transmitter periodically transmits packets (the payload doesn't matter at all), and the receiver keeps checking each packet RSSI level to estimate a gross distance between TX and RX and if below distance threshold, signals the alarm. 2. Accurate distance and positioning: One transmitter and one receiver, both with LoRa and GPS modules, where the transmitter periodically transmits packets with its GPS coordinates to the receiver, that checks the difference between its coordinates and the ones received and if below distance threshold, signals the alarm. This will be as accurate as the GPS signals allow (usually up to 1 meter). For any of the 2 options, I propose using a readily available ESP32 development board with OLED display for easier debug and testing (show RSSI and/or GPS coordinates and distance between modules). I can easily complete your project! If you are interested in my bid, I'm available to chat. Regards

Hello! I am the right choice for this project. I have my own team of engineers and we are formerly named as “ACADEMICSASSISTANT”. We did a very similar project before and we can share video with you also. For your project, we will do whole design, testing and development. We are very experienced in electronics, electrical, software and mechanical engineering research projects design & development. We can handle do programming related tasks as well. We have specialized and dedicated lab for testing of everything also. We will do all design, development of your project. Please contact me and I will share some videos of our past developed projects as sample. For any query, please feel free to contact me using chat option. Regards, AcademicsAssistant

Hello, I'm a software engineer & linux sysadmin. You are looking for a LoRa(long range) transceiver. I have made a similar project to this in the past but for another usage. I would like to help you. Would like to hear news from you. Kind regards Martin ------ I invite you to check my profile clicking by my name, these are some of my clients reviews: - "Great professional. Very fuss free and understands my requirements very well. Will definitely look to work with again!" - "Great communication, delivered superfast solution. Would hire him again, definetely!" - "Very smart and trustworthy guy, did my work perfectly and also had some security suggestions to help improve my site. Thanks!" Also check my skills Development -NET -C -Delphi -PHP -Javascript -Html -Python -Bash shell -MySQL -Microsoft SQL Server -SQLite -XML -YAML -UML -Wordpress -eCommerce -Woocommerce -OpenCart -RESTful API Environment managment -Linux -Windows -CentOS -Ubuntu -Fedora -Arduino -Android -iOS Features -Automation -Software Development -Engineering -Networking(CCNA) -Security -Invention Extras -Apache -Nginx -VPN -Linux servers -Windows servers -Server admin -Server virtualization -Hardware Inegration -Database Managment -Web scraping -Analytics

Hi, This can be done using a Lora wireless module interface to a micro controller. We can discuss Regards Senthil Chennai,India

Hi, If I could I'll do it for free (... I'm new in freelancer). I'm a highly skilled and experienced software engineer. My area of expertise is broad ranging from low (BSP level) to very high layers (applications, GUI, networking, ...). Give me a try.

Lets chat and discuss regarding the project. I can assure you A grade quality work. I have 12 Year Experience in Engineering projects , Matlab , coding projects. No need to make the full payment or half payment to start the work , I will start the work and if you like the work go ahead with me if you dont like do not pay. Lets chat and discuss. Hope to hear from you soon. Thanks