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I'm looking for a skilled PHP developer to enhance my existing gym management system with a set of new features. Key Modifications: - **Payment Processing Integration**: I need a custom payment gateway integrated into the system. - **Access Control Device Integration**: The system should be connected to access control devices such as turnstiles with fingerprint readers to streamline member access and enhance security. - **Whatsapp Notifications**: Implement a feature that sends notifications to members via Whatsapp for marketing and service updates. Ideal Skills: - Proficiency in PHP and experience with gym management systems. - Experience with integrating custom payment gateways. - Knowledge of setting up device integrations. - Understands API ...

I'm looking for a skilled professional who can build a system to help me reach around 200K customers daily, without resorting to traditional ad methods. Key Features: - The system should facilitate communication with a large number of users simultaneously. - Incorporate messaging through various platforms like SMS, Email, Push notifications, imess, telegram, zalo, and similar channels. Ideal Skills: - Experience in developing customer engagement systems. - Proficiency in building systems that facilitate mass communication. - Familiarity with a range of messaging platforms. - Strong understanding of customer engagement principles. Please reach out if you have the requisite experience and can help me with this project.

I'm urgently seeking an agency-level WordPress developer well-versed in the Houzez theme for my site. Among the tasks to be tackled are: - Coding issues: I've identified issues with HTML, CSS, and JavaScript coding. Your expertise in these areas is crucial for the suc...lack of mobile responsiveness with the Houzez theme. Thus, I need someone proficient in theme modifications and customization. - Custom page creation: There are some specific pages to be designed with custom codes. I'm a fan of creative and innovative design, so a similar approach would be perfect for these pages. - Tech stack: Besides the coding languages mentioned above, experience in PHP, Ruby on Rails, MySQL, and CMS is required. If you tick all these boxes and are ready for a challenge, ...

I'm looking to enhance my current car stereo system with a limited budget of $100 - $500. Existing system will need to be replaced and the new one should offer the following features: - Bluetooth connectivity - GPS Navigation - Sirius XM Freelancers with proven experience in car audio system installations who can provide affordable solutions will be prioritized. Please highlight any similar projects completed. Ability to source and purchase the new system in addition to installation is a bonus. A timely and seamless installation is ideal, minimizing downtime of the vehicle. Thank you.

I'm in need of a skilled PHP developer to create a comprehensive backend system for my project. The primary functions required for this system include: - User authentication: The system should be able to allow users to register, login, and manage their accounts. - Data storage and retrieval: The system will need to store and retrieve various types of data in an efficient and secure manner. It's also important that the backend system integrates with existing databases and APIs. Please note that the specific level of user access control has not been decided yet, although it's likely we'll need more than just basic access controls. Ideal skills and experience for this project include: - Proficiency in PHP and backend d...

I'm seeking an experienced PHP developer to integrate a hosted payment page into our current system. The primary focus will be on the following key areas: - Integrating an SDK to facilitate payment processing - Ensuring compatibility with multiple currencies The ideal candidate should have a strong understanding of PHP and prior experience in payment gateway integrations. Experience with various payment gateways and supporting multiple currencies will be a definite advantage. You should also be proficient in handling SDKs and be able to implement them efficiently. Your understanding of security measures in payment processing will be highly valued. Please provide samples of your previous work in this domain.

I'm looking for a proficient developer and UI designer to create a robust data management system for my target audience - primarily users. Key Features: - User login and registration - Data storage and retrieval - Payment integration - API to send data to the database My main goal behind this project is to have a well-designed and functional data management platform to cater to the needs of my audience. Ideal candidate should have: - Proficiency in development - Strong UI/UX design skills - Experience with creating and integrating APIs - Prior experience in developing data management systems is a plus. Your design should be clean, intuitive and user-friendly. Experience and expertise in development is a MUST.

I have a stock management system written in PHP. Currently, I'm facing an issue where after adding a payment, the payment is successfully added but the page fails to redirect and shows an error 500 instead. This redirection should take the user back to the previous page. Ideal skills and experience for this project include: - Proficiency in PHP programming - Strong understanding of web development - Experience with payment processing systems - Familiarity with error handling and debugging The task for the selected freelancer will be to troubleshoot this issue and correct it, ensuring that the payment is added successfully and the user is redirected to the previous page without encountering the error 500. A smooth user experience is crucial.

I am looking for a skilled mobile app developer who can create a native app for both Android and iOS platforms. The project requires the following: Features: - Data base: MySQL - Kotlin for Android - Swift for iOS - Make PDF from data base - Email service send - STORAGE of PDF: Apple (iOS): Secure Enclave API and Google (Android): Keystore System - PAYMENT : stripe - ESIGNATURE : service's API to initiate sending a one-time password (OTP) via SMS. DocuSign Design : Design already done on Figma English version : (Copy)?type=design&node-id=0%3A1&mode=design&t=fWuFnb5PnhqXNVYT-1 French version : The project includes :

I'm on the lookout for a developer skilled in Java and MySql. The primary requirement for this job is to develop a full-stack Java project with the following features: • User Authentication: A powerful and secure user authentication system is a must. • Database Integration: The successful candidate must be able to integrate a MySQL database into the project. • Payment Processing: To foster ease-of-use in transactions, a secure payment processing gate has to be instilled. • Frontend Design: Looking for someone with an eye for detail to create a user-friendly and attractive frontend design, aimed at enhancing the user experience. Ideal skills and experience for the job encompass Java development, MySQL database integration, and fron...

...thorough testing and debugging to identify and resolve issues promptly. Stay updated on emerging technologies and best practices in web development. Requirements: Bachelor's degree in Computer Science, Engineering, or related field. Proven experience in full stack development, with proficiency in front-end and back-end technologies such as HTML, CSS, JavaScript, Node.js, and databases (e.g., MongoDB, MySQL). Strong understanding of web development frameworks (e.g., React, Angular, Express). Excellent problem-solving skills and attention to detail. Effective communication and collaboration abilities. Ability to work independently and meet tight deadlines. If you are a dynamic and creative developer looking for an exciting opportunity to make an impact, we'd love to hear...

I'm in need of a sophisticated inventory management and billing software tailored for retail needs. This application must incorporate key capabilities including: - Inventory Tracking: Systematic logging and monitoring of stock levels to prevent under or overstocking. - Sales Reporting: Accurate and real-time analysis of sales data for better business insights. - Purchase Orders: Automated creation, tracking, and management of POs, streamlining the procurement process. A notable feature should be a barcode scanning functionality for effective inventory management. This advanced software should simplify inventory tasks and promote better business operations. Ideal freelancers for this project should be well-acquainted with retail operations, and experienced in developing similar soft...

Estoy en búsqueda de un hábil desarrollador de PHP para crear una plataforma de tickets de soporte técnico. El proyecto está dividido en varias tareas, y el pago se realizará por tarea completada según el precio establecido. Requisitos Clave: Seguimiento del estado de los tickets. Asignación automática de tickets a técnicos. El freelancer ideal para este proyecto tendrá experiencia previa en el desarrollo de sistemas similares y un profundo conocimiento de PHP. Frameworks: Valoramos la experiencia en frameworks como Laravel, JavaScript y Ajax, que potenciarán el desarrollo de la aplicación. Herramientas de Base de Datos: Es fundamental contar con experiencia en el uso de herramientas como ...

I have a Laravel PHP script that needs a complete revamp. I need a skilled developer to modify its database structure, update the user interface, and add new functionalities. This job is urgent, and I need it completed as soon as possible. Key Requirements: - Extensive experience with Laravel PHP and databases - Proficiency in updating user interfaces - Ability to add new functionalities to an existing script I appreciate your prompt response and delivery on this project. Thank you.

...booking system on my WP-rental website. Key Tasks: - Modify the current booking system. Advanced knowledge in calendar functions would be beneficial as it will require an upgrade to the current structure. - To enhance my booking services, I want to integrate with several third-party services. Experience in connecting platforms like Agoda and will be necessary. - As part of the booking customization, I also require tailored pricing options. This will involve creating versatile price structures that cater to diverse booking scenarios. - Expertise in payment gateway integration will be crucial as I'm planning to have one on my platform. - Integrate with channel managers in a two-way operation. Ideal Skills: - WP-Rental expertise - Third-party integration -...

I’m starting a subscription-based credit building service in Canada. I need an experienced backend developer who can help me build the backend system with various functions. I have already designed the front-end website myself, and have implemented some of my own PHP code, but this will need to be checked and secured where necessary. Your task will include: -Implement API that will send customer data off to credit referencing agency and return the customers credit report. -Implement a customer portal that will allow the customer to manage their subscription. Subscriptions are set up through stripe, and would need webhooks implemented to reflect in my database. -Using the consumers credit file that we get from the credit referencing agency, implement a page that all...

Looking for a dedicated developer to design a minimalistic playlist with PHP and HTML. This playlist should support functionalities including: - Play, Pause, Skip options - Add, Remove, Edit Songs - Shuffle, Repeat, Loop features Moreover, it should support MP3, WAV, and FLAC files. I prefer a minimalist design leaning towards clean lines and simplicity. It is crucial for the user interface to be intuitive and easy to navigate, providing the best user experience possible. Desirable skills and experience: - Proven experience in PHP and HTML languages - Portfolio of projects showing aesthetics understanding - Experience creating digital media players, preferably music playlists. Apply if you have a passion for achieving perfection through simplicity...

...including user authentication, database integration, and API integration. Key Requirements: - User Authentication: I need a secure and scalable user authentication system to be implemented. - Database Integration: The system must be integrated with a MySQL database. - API Integration: The project will involve integrating with various external APIs, so experience with this is necessary. The ideal candidate for this job should have: - Extensive experience with Django framework - Prior experience with large-scale projects - Proven track record of creating secure and efficient user authentication systems - Proficient in MySQL and database integration - Familiarity with integrating various APIs Please provide examples of your previous Django projects, particu...

I need to connect my POS-PHP system through a web service or API to the software of a Colombian technology provider that provides this service. I attach the webservice manual and an example of the xml that my program must generate to call the information. I need to connect my POS-PHP system to the software of a Colombian technology provider that offers this service through a web service or API. I have attached the webservice manual and an example of the XML that my program must generate to call the information. Please contact me if you do this - +91 9598514789 The project is in Spanish language

I'm seeking an experienced PHP Developer with a sound understanding of Laravel, to help build the Minimum Viable Product (MVP) of a Meeting Room Management System. This system will help manage booking functionality, room availability status, and robust user authentication procedures. Key features should include: - A Calendar-based room booking mechanism. - Real-time room availability status checker. - Strict and secure user authentication system. The user roles in the system will be categorized as: - Administrators - Who manage the whole system. - Regular Users - Who use the system for room booking. For this job, a developer with solid experience in PHP programming, Laravel, database management, and user authentication method...

...thrown in /home/u384516748/domains/ on line 18 Also. Before the administrator could enter the application. But now a message appears. For context: It is a migration from a SAAS to a new server. The current one is a VPS. The website is on a different multiempresa hostinger server, WordPress environment. The SaaS is in a VPS 1on1 php and mysql...

University Assignment: Flask Web Application for Secure Authentication System ONLY BID IF YOU CAN DO IT. Go to Template Folder to see the code and use Docker to run it. It should take 2-3 hours to do it. Need it ASAP. Project Overview: I will give you a zip file with , and other files. Help me enhance a Flask-based html website by improving its authentication system. This involves the creation of a new and the enhancement of existing features to meet specified security standards and user experience improvements. Core Requirements: User Interface Development: - Develop with forms for username, password, and password confirmation. - Ensure forms are user-friendly and adhere to modern web standards. Password Requirements: - Enforce a password

...to implement these features and ensure they are integrated seamlessly into the existing system. Key Points: - Extend existing module with purchase and sales registration. - Implement correction notes and payment/collection receipts. - Create an account balance report feature. - Optional: Develop a chart of accounts with automatic generation of accounting entries. - Optional: Implement export functionality in TXT, JSON, and XLS formats. - Also required: Develop a receipt form and accounts receivable/payable for clients, suppliers, cash, and banks, as well as for other valuable documents like deferred checks. The ideal candidate should have: - Proficient Java programming skills. - Experience with MySQL and AWS S3. - Previous experience with accounting software and financia...

I’m looking for a talented frontend developer with expertise in React JS and Node JS to create a responsive web application. Key Requirements: - User Authentication: The application should have a robust user authentication system to ensure security and privacy. - Payment Integration: I need the developer to integrate Razorpay as the payment gateway. Experience with this particular gateway is a must. - Follow Figma design that will be provided. Additional Details: - A fast and efficient approach to API integration is highly desirable. - Connect to a Django and mySQL backend. - I expect the project to be delivered in a timely manner, so speed and efficiency are key. Design: - I have specific design preferences, which I will share with the chosen freelancer. Ideal S...

I'm looking for a proficient Data Entry Expert for online database management on MySQL. Your tasks will involve entering and managing data in the MySQL database effectively and efficiently. Key Requirements: - Must possess strong online data entry skills. - Should have experience in working with MySQL. - Familiarity with structured form data is essential. - Attention to detail to ensure data accuracy. - Strong organizational skills to manage and track data in a large-scale database. Your responsibility will be to keep the database updated. This project requires an efficient individual who can deliver accurate work within the stipulated timeline. If you think you're suited for this job, let's connect.

I'm looking to update our website. - Add phone verification - Google authentificator - Disabled login when using proxies - Add some feature like : pagination, referal link, enable adding video to our submitting form and and show them in our games(already showing images and textes). -url rewriting - localisation : redirect user upon country for the moment french and english and create language file for eg. for registration, password and messages -fix some redirection issues - update admin Will give all updates in messages..

PHP developer to work on my website.

This system would use GPS to track the location of garbage trucks and ensure that they are picking up trash from all parts of the city. The system could also provide real-time updates on the level of garbage in each truck, so the city can adjust its collection schedule as needed. In addition, the system could send alerts to residents when their trash has been picked up, so that they can put out their garbage on the correct day.

...its forwarding for approval. Required Features: * User registration and login. * Document upload and version control system. * Commenting and feedback mechanism. * Notification system for keeping everyone updated and informed. * Reporting and analytics for tracking document history. * Streamlined payment options upon paper acceptance. * Corrections in the article to be communicated to author's login with comments. * Separate login access for peer review team to review resubmissions and accept or reject them. * Publication team login to finalize the publication once payment is received. * Detailed record keeping of all user activities. * An efficient system for any change requests, to be submitted directly to the Editorial Board. * Complete contr...

...can set up and configure a MySQL database with Oracle APEX. The main purpose of this setup is to manage and retrieve product inventory and sales transaction data. Key tasks include: - Designing the database to efficiently handle product inventory and sales transactions. This involves creating an Entity-Relationship Diagram (ERD), and writing Database Definition Language (DDL) and Manipulation Language (DML) statements. - Configuring the Oracle APEX environment to interact with the MySQL database and ensure smooth data retrieval and management. - Ensuring the system is secure, ensuring no unauthorized access to the database. - Providing a high-level overview of the system's architecture and functionality. Skills and experience required: - Strong expertise in ...

I'm searching for a proficient app...dynamic Point of Sale (POS) application. Key Requirements: - Expertise in both Android and iOS app development. - Experience in creating robust POS systems. The core functionality of the app will be a seamless POS system without the need for any additional integrations at present. However, there might be a need in the future, so the application must be developed with potential integration capabilities in consideration. Skills and Experience needed: - Proficient in Android & iOS app development - Experience in POS system development - Ability to plan for potential future system integrations - Strong understanding of user-interface design principles. If you have the required skill set and experience, I look forward t...

I'm looking to develop a complete HR and Projects Management system. The ideal candidate for this project should have experience in web development, specifically in configuring and building HR and project management systems. HR Management Features: - Employee Profiles: The system should allow easy creation and management of employee profiles, including personal details, contact information, and employment history. - Time and Attendance Tracking: Implementation of a time and attendance tracking module, to monitor employee work hours. - Leave Management: Provision for employees to apply for leaves and for managers to approve or reject these requests. - Payroll: Streamlined payroll management, with the capability to process salaries, bonuses, and deductions. - Benefits: I...

...JavaScript, particularly Node.js, and Vue.js 3, as well as HTML, CSS, and MySQL to work on a language learning platform. We'll also be utilizing for real-time data transfer. Overview: We are a startup in the language learning industry, working on a platform that connects students with one-on-one teachers. Our project is near completion, and we are seeking experienced and talented full-stack developers to help us with the final stages and polish of our platform. Responsibilities: Collaborate with the existing development team to finalize frontend components using Vue.js 3. Contribute to backend development using Node.js, ensuring seamless integration with the frontend. Work on database-related tasks using MySQL for efficient data storage and retrieval. Implement an...

I'm looking for a skilled PHP developer to work on a project that involves developing a robust backend and frontend using HMVC-CI3. The project will require integrating third-party data and some API work. Additionally, there are some bug fixes and modifications needed on both the front end and back end of the site. The ideal candidate should have the following skills and experience: - Proficient in PHP, specifically HMVC-CI3 - Strong experience with API integration and third-party data integration - Ability to fix bugs efficiently - Comfortable working on both the front end and back end of a website Working at (Saturday & Sunday)

As the project owner, I am seeking a proficient PHP developer who can work with us on an hourly basis. Ideally, we are looking for a developer based in Jaipur, but quality and skill are our top priorities. Here's what you need for this project: - Expertise in PHP Front-end and Back-end development. As we are focusing on developing a web application, it's essential for you to be well-versed in creating dynamic and interactive applications. - You should have a solid understanding of PHP development, able to tackle complex problems and deliver efficient solutions. - Concerning frameworks, while we didn't mention a specific one, familiarity with popular PHP frameworks like Laravel, Symfony, or CodeIgniter would be a plus. - Lastly, an appreciation...

We are seeking proposals from qualified organizations to develop a comprehensive web/mobile-based Advanced Fleet Management System. The system will be designed to streamline fleet operations, enhance efficiency, and improve overall management capabilities. The system must include basic tracking system on map along with the below mentioned features: - Real-time vehicle tracking: The implementation of GPS location tracking, route optimization. - Driver behavior monitoring: We need to be able to monitor and record driver behaviors. - Journey Management: Plan, track, and manage vehicle journeys efficiently. - Data Analysis and Prediction: Advanced analytics to analyze historical data and predict future trends. - Driver Behavior Analysis: Monitor and analyze driver ...

we have web app build on core php some functions not working after migration we need someone quickly investigate and fix them thanks

I'm urgently in need of a PHP and HTML expert to make my contact form on a HTML5 Bootstrap website work. Lowest price wins, we have more than 10 projects open tht you can work on afterwards. There are several fields like Name, Email, Message and File upload that need to work so i receive the submitted form. Furthermore i need you to make a success site that users are redirected after filling out the form to integrate my google advertising. The user should be redirected to that success page where there is a success message like "Thank you for your message, we will get back to you soon" and after a countdown of about 10 seconds automatically be redirected to main website again.

I need a Web-based inventory management system for my truck repair shop. The system should offer real-time tracking of parts, support barcode scanning, and facilitate check-outs from the parts room. Basically need something similar to sortly. Key Features: - Real-time inventory tracking: The system should allow for tracking of parts, knowing what is available, and what needs to be restocked. - Barcode scanning: The system should be equipped with a barcode scanning feature to streamline the process of adding and removing parts. - Check out from parts room: It should enable technicians and administrative staff to check out parts from the parts room for their respective jobs. Primary Users: This system will be primarily used by technicians and administrat...

I am in need of both an Automation Tester and Manual Tester to thoroughly assess an upcoming Booking System. Key Areas of Focus: - User Registration and Login: Ensuring a seamless, user-friendly and efficient experience during account creation and login. - Booking Process: The ability to facilitate a smooth, glitch-free process from selecting a service to confirming the booking. - Payment Process: Securing the process of transactions, ensuring that all payment methods are working correctly and reliably. Platforms and Browsers to Be Tested: - Platforms: Windows PC, Mac, Android, and iOS devices. - Browsers: Google Chrome, Mozilla Firefox, Safari, and Microsoft Edge. Ideal Tester: - Skilled in both automated and manual testing strategies. - Experience working with different platfo...

I have an existing crm , where i need modifications and addons I'm in need of an experienced PHP developer to help me with some minor addons for my project on an urgent basis. Specifically, I need help with: - Email Notification: Implementing a feature that sends email notifications to users when certain events occur within the platform. - Captcha Integration: Adding a Captcha system to enhance the security of the project. - Social Media Sharing Buttons: Integrating social media buttons to allow users to easily share content from our platform. I'm looking for someone who is proficient in PHP, has experience with developing addons, and can work efficiently to deliver the project as soon as possible. Your attention to detail and ability to meet deadlines wil...

...in PHP development to make modifications to my website. Top deliverables include: 1. Password-Protected Posts: I'm looking to offer my website users the capacity to create and access password-protected posts. But not just that, I want to allow password protection for specific categories or tags as well. 2. Responsive Design: Although I've not specified my exact requirements, I'm hoping for a design that stays responsive across a variety of devices. Even though I have a preferred design aesthetic, I'm open to your expert suggestions on the best way to implement this. 3. UI Improvement: Lastly, the overall user interface could do with a few tweaks for better accessibility and engagement. If you're detail-oriented, have prior experience in similar proj...

I am searching for a Linux proficient SLAX expert to perform advanced system integration tasks. Key Services Required: - System configuration on Linux OS using SLAX (DEBIAN) - OPENVPN & NETWORKMANAGER MODULES. Ideal freelancers should display: - Proven expertise in SLAX and Linux. - MUST BE ABLE TO CREATE CUSTOM MODULES - Extensive background in system configuration. - Up-to-date knowledge of advanced integration methods. Take note: This project requires more than basic or intermediate configurations and solutions. Only advanced SLAX SKILS are acceptable for the unique complexity of this task.

whm configuration, php, mysql, ssl and install moodle on domain.

I'm seeking an experienced PHP developer, with skills in JavaScript and MySQL. I have a Production System that requires an immediate update to have additional product types listed for sale in it's custom PHP Cart System that uses a dynamic pricing table and Calendar module. I have tutorial videos on its functionality to help guide you. However, the two new product types are new to the system and will need to be created. Key Requirements: - Expertise in PHP, MySQL, JavaScript - Constructive problem-solving skills - Ability to adapt to unknown project scopes. Your role may involve building complex applications or simple website scripts. With the uncertain nature of the tasks, a flexible and proactive approach is ideal. It&#...

Project Title: Customizable Excel-Based Mark Book System for English Learning Area Tracking This reads like a lot, but I am only trying to be clear. It's just a mark book. Project Overview I need a skilled Excel developer to create a solution that helps schools track student progress against specific English Achievement Standards across year levels of the Australian Curriculum. The goal is to pinpoint areas needing improvement, empowering schools to target resources effectively. Is it Speaking and Listening, Reading and Viewing, or Writing and Creating? If so what particular Aspect (sentence? Key Requirements Foundation: Excel workbooks to accommodate multiple teachers and classes. Structure: Year Levels (tabbed sheets) with each year's Achievement Standards spl...

Look at the samples attached!!!! If you do not know the content in the file, Do not apply You need to be available on 19/04/2024 from 9am EST for 3.5 hrs. I need a fluid mechanics expert who is skilled in the application of turbo-machinery including the design and operation of typical wind and hydroelectric plants from first principles to the various types of turbo-machines choices. Fundamental fluid mechanics equations, efficiency coefficients, momentum exchanges, characteristic curves, similarity laws, specific speed, vibration, cavitation of hydraulic turbines, pump/turbines; variable speed machines including transients and hydraulic stability. This would be a tutoring position for solution help. We will discuss more. If you want to be considered, look at the samples attached and be pr...

I'm in need of an experienced software developer who can create a comprehensive ERP system. The system must include Financial, Inventory and Human Resources management modules. Key Requirements: - Development of a user-friendly web-based interface - Inclusion of Financial Management Module: This should cover budgeting, accounting, and financial reporting. - Inclusion of Inventory Management Module: This should track items in inventory, manage stock levels and generate reports. - Inclusion of Human Resources Management Module: This should cover employee tracking, payroll, benefits administration and other HR aspects. Skills and Expertise: - Proficient in backend and frontend web development - Proven experience in designing and developing ERP systems - Strong understand...

Look at the samples attached!!!! If you do not know the content in the file, Do not apply You need to be available on 19/04/2024 from 9am EST for 3.5 hrs. I need a fluid mechanics expert who is skilled in the application of turbo-machinery including the design and operation of typical wind and hydroelectric plants from first principles to the various types of turbo-machines choices. Fundamental fluid mechanics equations, efficiency coefficients, momentum exchanges, characteristic curves, similarity laws, specific speed, vibration, cavitation of hydraulic turbines, pump/turbines; variable speed machines including transients and hydraulic stability. This would be a tutoring position for solution help. We will discuss more. If you want to be considered, look at the samples attached and be pr...

The system must function as a slave module and be connected via RS485 in mdonbus to a master PLC the conductivity values read must be transferred to a PLC via Modbus which will memorize them. The system must have an ESP32 module, an RS485 converter, a display for local visualization of the electrical conductivity and the probe. The conductivity value to be measured ranges from 0 to 20 mS