433mhz rf transmitter and receiver arduino codeKazi
Ivane pronasao sam te i vidim da se bavis programiranjem , meni treba uraditi-prepraviti neki kod za moj projekat za arduino da li si zainteresovan, pozdrav Nedim
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I need assistance with updating a Java, CSS, and HTML code to auto-fit the dimensions of a chart on a size chart page. Ideal skills and experience for the job include: - Proficiency in Java, CSS, and HTML - Experience working with charts and data visualization - Understanding of responsive design principles
...or WhatsApp. Key Requirements: 1. Develop a custom code that allows for image cropping and re-uploading to the server, mimicking standard functionalities found in popular social media apps. 2. Ensure the cropping tool is user-friendly and maintains the quality of the uploaded image while minimizing upload size. The cropping should not be circular. 3. The functionality should be compatible across Web, Android, and iOS platforms, and work seamlessly with the latest version of Flutter Flow. 4. Provide a preview of the cropped image before finalizing the crop. 5. Include options to rotate and flip the image within the crop interface. 6. Enable various aspect ratio options for cropping, such as 1:1, 4:3, 16:9. 7. Allow users to zoom in/out and...
...Zephyr or RT-Thread RTOS, depending on your preference. The AI-generated code has been causing me issues, so I need someone with expertise who can help debug and complete the programming. The main problems I am facing are compilation errors, runtime error. The work won't take much time as the code has already been generated by LLM only error correction is needed. Key Requirements: - Extensive experience in embedded C/C++ - Proficiency in either Zephyr or RT-Thread RTOS - Ability to troubleshoot and fix AI-generated code - Experience with the CH32F103C8T6 MCU Please note that mere knowledge of Arduino is not sufficient for this task. Your role will primarily involve code testing and completion, so a keen eye for detail an...
**Project Title**: Development of a Face Recognition and QR Code Scanning Attendance System **Project Description**: We are seeking a skilled freelancer to develop a comprehensive attendance system with the following requirements: - **Backend**: Rust auxm framework with Swagger API. - **Frontend**: Flutter. - **Database**: PostgreSQL. - **Containerization**: Podman/Docker. - **Face Recognition Model**: FastAPI model in Python. **Features**: - **Face Recognition for Attendance**: Implement a face recognition system to automatically mark attendance. - **QR Code Scanning for Attendance**: Integrate QR code scanning functionality for attendance marking. - **Manual Attendance Entry**: Provide an option for manual attendance entry. - **Integration with Existing Sy...
...Project Overview I have a custom Boat Lift Controller (Arduino/AVR-based) that communicates over USB-to-serial. I need an Android app (for phone/tablet with OTG) to serve as a Dealer/Installer Toolkit, providing: Full configuration (all settings, e.g., limit switches, motors, etc.) Setup Wizard (mandatory) with GUI screens guiding through each step of device setup. Control (move the lift up/down, set presets, toggle AUX lines, etc.) Monitoring (real-time serial terminal for manual commands, logs, etc.). Firmware Updates over USB for both the main controller and a sidekick microcontroller board. The final app must replace the need for a laptop + terminal software. A dealer can just plug in their Android device with an OTG cable, open this app, and do everything nee...
...cross-platform app for both Windows and Android. The app will interface with an engine dynamometer (dyno) and will need to support: - Real-time data monitoring - Data logging - Control of dynamometer settings - Real-time calculation of horsepower (HP) using a supplied equation The ideal candidate for this project should have extensive experience in app development, particularly for Arduino-based systems. A strong understanding of engine dyno operations and data interpretation will be advantageous. Given the nature of this project, proficiency in real-time data processing and cross-platform app development is crucial. Arduino Dyno APP Project. The objective of this project is to create a App, capable of reading and displaying the outpu...
I'm looking for a skilled IoT and Bluetooth professional who can help design a remote control using nRF devices from nordic or equivalent for low power consumption to control various types audio equipment like amplifiers, preamplifiers, control equipment, equalizers. The freelancer will also design the Control unit on the Audio equipment using ESP32 (with the native IDF, NOT using Arduino) to receive the do the initial connection with the remote control and the mobile app, then maintain the connection, receive the commands from the paired devices, and send them locally to a queue. The system should be able to control various aspects of the device, including: - Volume control - Track selection - Power on/off - Menu navigation - Device selection - Inpu...
...Business One and barcode/QR code technology. The project involves developing a generic scanner that can read both barcodes and QR codes. The system needs to seamlessly integrate with key SAP Business One functionalities including inventory management, sales orders, and purchase orders. Key project requirements: - The scanner should work with both handheld devices and mobile phones - The system must be able to accurately read both barcodes and QR codes - Integration with SAP Business One should be smooth and efficient, covering inventory management, sales orders, and purchase orders Ideal candidates should have: - Extensive experience with SAP Business One - Proficiency in developing or integrating barcode/QR code scanning ...
...designing a drone that includes a transmitter and receiver. The project involves creating a modulator for the transmitter capable of encoding data using the Amplitude Shift Keying (ASK) modulation scheme. Key project components include: - The data will be sourced from an Arduino in binary form and needs to be modulated with a sine wave for transmission. - The drone will communicate its speed to a controller. - An analysis of the characteristics of both linear and non-linear amplifiers through a modulator at the transmitter end. Ideal skills for this project: - Proficient in circuit design and PCB creation. - Experience in working with Arduino and drone technology. - Knowledgeable in both linear and no...
...experienced React Native and React.js developer to analyze an existing codebase and provide a technical report on its quality and viability. The goal is to determine whether the code can be optimized and used or if a new base needs to be developed. ? Tasks Required ✔️ Review the source code (React Native + React.js). ✔️ Evaluate project structure (architecture, modularization, coding standards). ✔️ Analyze dependencies and packages (check if they are up to date and secure). ✔️ Verify Android and iOS compatibility. ✔️ Identify potential performance or security issues. ✔️ Provide recommendations on what can be used and what needs to be redone. ? Deliverables ✅ Technical report covering: Overall code...
I'm looking for an expert to wire 5 buttons with 5 LED 7-segment counters. The buttons will be manual push buttons, and their function will be to increment the count on the LED counters. I already have the components including Arduino Uno R3 Boards that are pre-programmed with a time delay so the buttons cannot be spammed. I need to understand how the circuit works and how it is wired properly. Wires have been disconnected and it is not working at this time. Ideal Skills: - Proficient in working with 7-segment displays - Experience with wiring manual push buttons - Knowledge of basic circuit design and implementation
I'm experiencing a network issue while trying to pull code from GitHub to my local machine. The specific problem is a 'Connection Refused' error. I need a skilled freelancer with expertise in Git and network troubleshooting to help me resolve this issue. Please bid only if you can start immediately.
I'm looking for a passionate and skilled Robotics Tutor to teach my Basic Robotics Course. The ideal candidate will have experience in robotics, basic electronics, and programming, specifically with Arduino. The tutor will deliver online classes, guiding students through the course content with hands-on projects and discussions. Key Responsibilities: - Deliver engaging online classes - Guide students through course content - Facilitate hands-on projects and discussions Ideal Skills: - Experience in robotics and basic electronics - Proficient in programming with Arduino - Experience teaching beginners - Strong communication skills for online tutoring
...electronics engineer or PCB designer to create a schematic and PCB layout for a device that uses: ATmega32U4 (5 V, native USB support, 44TQFP package) PCF7991 RFID base station IC (operating at 5 V, 125 kHz) USB interface for communication with a PC (no external USB–serial chip required) This device will transmit and receive data at 125 kHz for transponders (e.g., automotive immobilizer tags) using the PCF7991 and a coil antenna. The ATmega32U4 will handle the low-level bit-banging, timing, and decoding, while appearing as a USB CDC device (virtual COM port) on the PC side. I have existing Arduino-based code (.ino) that demonstrates how to interface with the PCF7991 (originally for an ATmega328). We plan to port or adapt that code...
I need an experienced programmer to modify the existing code for my ATmega8 microcontroller. We are transitioning to a new Common Cathode 7-segment display, which necessitates changes in the code. The display is controlled directly via I/O pins, so the code adjustments must reflect this. Ideal Skills: - Proficiency in programming for ATmega8 microcontroller - Experience with Common Cathode 7-segment displays - Knowledge of I/O pin control and programming - Ability to modify display code and ensure functionality Please note that specific changes in display functionality have not been identified at this time. However, the selected freelancer may need to demonstrate flexibility and problem-solving skills to adapt to any unforeseen requirement...
...experienced electronics engineer or RF (Radio Frequency) specialist to troubleshoot the issue, identify the root cause, and implement the necessary fixes to ensure the amplifier meets the desired performance specifications. • Analyze the existing PCB design and identify potential issues causing the reduced transmission distance. • Perform signal strength and quality tests to diagnose the problem. • Propose and implement design modifications or component replacements to improve performance. • Ensure the amplifier meets the required transmission distance of 350 meters in tunnel environments. • Provide documentation of the changes made and test results. Expertise in RF Engineering: Strong knowledge of RF circ...
We need to fix this Github open source VPN Flutter source code. There are a total of five platform clients that need to be fixed (MacOS, IOS, Android, Windows, Linux). github: Currently, the modified open source code cannot be built normally. The developer needs to check and fix it so that it can be successfully connected to our backend API and run smoothly. Note: The developer needs to have their own Apple Developer account to test it for us, because we do not have a developer account. If you do not have an Apple Developer account, please do not apply for the proposal. Thank you. The front end needs to be modified in the following areas: - All end-platform connection functions must work properly - Add user login function - Originally
More details: What type of hosting service are you using? VPS hosting Do you need any customizations on the website after deployment? No customizations needed Do you have the domain name set up for the website? Yes, it's already set up
We are looking for developer who has previously worked with the Docx4j library. Your main responsibility will be to add new features to the existing code and modify some of the features.
I need a Python expert to help me connect my code with a third-party REST API. Key Tasks: - Implement data submission from my code to the API - Ensure seamless integration and functionality Ideal Skills and Experience: - Proficient in Python - Extensive experience with REST API integration - Strong understanding of data submission processes Looking forward to your bids.
I'm in need of a comprehensive search for engine code information for all types of auto parts. The information should be specific to the UK auto industry and include: - Part information - Group - Cross-reference - Category You should primarily use the Repxpert website, but also explore other reputable sources to ensure a thorough and detailed search. Skills in automotive knowledge and data management are essential for this project.
I'm looking for an experienced front-end developer proficient in to translate my Figma designs into code. Key Responsibilities: - Convert the Homepage from Figma to code. - Implement the Header, Main content, and Footer components as per the design specifications. - Ensure the Header includes a functional Navigation menu and Search bar. Ideal Freelancer Qualifications: - Proven experience with and front-end development. - Proficiency in translating Figma designs into responsive code. - Strong understanding of implementing interactive components.
I'm looking for an experienced web developer proficient in no-code platforms, particularly Shopify, to help me set up my E-commerce site. Key Responsibilities: - Designing and developing a user-friendly, intuitive online store - Ensuring the website is optimized for SEO - Implementing best practices for E-commerce sites Ideal Skills and Experience: - Proven experience with Shopify - Strong understanding of E-commerce best practices - Excellent no-code website development skills - SEO knowledge Platform-Shopify o No coding, o Third-party plug-in applications (including Luna’s for Virtual Try-On) o Customizations and content specific to eyewear eCommerce o Frame discovery content or personalized frame recommendations Robust Filter -Frame Wid...
I'm looking for a professional to assist in transferring my course from Learndash to Moodle. The transfer will include: - Quizzes - Course materials (videos, PDFs) - Assignments No user data will need to be transferred. There is no requirement for restructuring the course materials during the transfer. Ideal skills for this project include: - Experience with both Learndash and Moodle - Attention to detail - Ability to work independently Please contact me if you are qualified for this project.
Merging your changes with my code, working together, in order to have 'payment method' (manage the credit cards) and post-paid payments, with stripe, registering and pre-auth the card, cronjob that runs weekly and charges the credit cards with different amounts every time
As a beginner in Laravel, I'm facing some challenges with my code and need a seasoned developer to help me. The areas of concern include: - Authentication - Database queries - Routing I'm primarily seeking assistance with debugging specific issues in my code. Unfortunately, I'm encountering a range of errors from syntax errors to logic errors and performance issues. Your expertise could help me correct these errors and improve my understanding of the framework.
3 sheets are to be editable so that the user can save and clear data and 5 QR code designs.
I'm looking for a skilled programmer who can help me convert my Perl code into Python. Key Requirements: - Expertise in both Perl and Python programming languages - Strong understanding of data processing, specifically with text data - Ability to translate algorithms and logic from Perl to Python - Experience in ensuring that the Python code replicates the functionality of the Perl code accurately. The current Perl code is used for processing text data. The source of the data is varied and can come from multiple formats. Your job will be to ensure that the new Python code can handle this with the same efficiency and accuracy as the existing Perl code. A keen attention to detail and a methodical approach ...
I need an experienced Arduino engineer to help me with a project. The goal is to control a filter press through a progressive increase of air pressure. This will be used in an industrial setting. Key Requirements: - Design an automated control system using Arduino and remotely control - Implement this to regulate air pressure in the filter press Ideal Skills: - Strong background in Arduino programming - Previous experience with industrial automation systems - Understanding of filter press operations
...through a theme builder (without manual coding), and I need to extract only the CSS that affects this specific account. I can read CSS, but I’m unsure how this theme builder is selecting the location, as it does not explicitly use an ID selector. Your task will be to identify and isolate the relevant styles. Task Requirements I need a CSS developer who can: Analyze the provided CSS file and determine how it applies styles to different locations. Remove all styles that affect other accounts and leave only the CSS that applies to this specific location. Modify the extracted CSS so that it uses a variable at the top, allowing me to easily change the Location ID in one place to apply styles dynamically. Ensure that the final CSS is clean, structured, ...
Looking for a creative restaurant QR code design we'll print onto stickers. Goal: Simple, yet effective to drive app orders. 2" w x 3" h Attached: Brand Guide, QR code, previous qr design, inspo Copy: VIEW MENU & ORDER [QR] FOOD & DRINKS For Delivery or Pickup
...Hardware Development for Smart Glasses (Based on Monocle Architecture) We are looking for an experienced embedded hardware engineer to assist in designing, modifying, and optimizing a smart glasses electronics system based on the Monocle architecture. The system includes an FPGA, Bluetooth MCU, camera, microphone, OLED display, RAM, and power management circuits. Scope of Work: 1. Review and Modify Existing Schematics • Analyze the provided Monocle MK12 v2 schematics (PDF will be provided). • Make modifications as needed to fit the custom smart glasses requirements. • Ensure component optimization for power efficiency, size, and availability. 2. Component Selection & Integration • Maintain key components, including: • FPG...
...Screentime API and Family Controls. This app involves tracking usage, implementing parental controls, and setting up app restrictions. I'm seeking a seasoned Swift developer who can help troubleshoot coding issues and assist with the setup of specific code segments on a pay-per-query basis. Key Areas of Focus: - Usage tracking: I need guidance on how to implement this feature and help troubleshooting any issues that arise. - Parental controls: I require assistance with feature implementation and bug fixing. - App restrictions: I'm looking for an expert to help optimize performance and address any potential coding issues. Ideal Candidate: - You must be an expert in Swift, with extensive experience in Xcode and iOS develo...
...products, enabling end users to scan the tags and verify authenticity via a web-based interface. Each business (tenant) will have its own dashboard, branded verification page, and isolated data storage. Key Requirements 1. Multi-Tenant Functionality • Ability to register multiple businesses/organizations as tenants. • Each tenant has its own admin dashboard to manage NFC-authenticated items. • Data isolation: Tenants can only access their own records. • Role-based access control (e.g., Tenant Admin, Staff Users). • Custom branding per tenant (logos, colors, and subdomains like ). Choose NFC Tags – Order NTAG213, NTAG215, NTAG424 DNA (for encryption), or tamper-proof NFC stickers. 2. NFC Tag Functionality • Ability to prog...
I'm in need of a skilled developer to write some basic Deluge code for my Zoho CRM. The tasks are varied and include finding records in lookup fields, performing calculations on multiple related modules, and automating workflows. Ideal candidates should have: - Proficiency in Deluge scripting. - Extensive experience with Zoho CRM. - Strong problem-solving skills. - Ability to write clean and efficient code. Please note, this project is primarily focused on writing new code, rather than debugging existing code.
I'm looki...looking for an experienced developer to port existing Arduino and Raspberry Pi project (found at ) to an STM32 microcontroller. The project involves sensor integrations, data logging, and control algorithms. Key Requirements: - Porting critical features from the existing project - Implementing WiFi capabilities using the STM32's built-in WiFi module - Open to using alternative libraries or frameworks instead of the ones used with Arduino and RPi Ideal Skills and Experience: - Proficient in STM32 programming - Experience with Arduino and Raspberry Pi - Knowledge of sensor integrations and data logging - Familiarity with control algorithms - WiFi module implementation experience - Ability to suggest and...
I need a comprehensive HTML help file for our bespoke software application. It should include a complete description of the code and its workings, detailed on a function-by-function basis. Ideal skills: - Proficient in HTML - Experience with technical writing and creating in-depth help files - An understanding of software code and the ability to explain it in an accessible way
Working on a conference paper that requires in-depth expertise in LSTM, RF, and SVR coding. I need to refine and enhance my existing codes to achieve highly accurate predictive models and then need help in writing a full conference paper based on that.
I need a skilled freelancer to assist in customising my mobile app source code. The app is designed for both iOS and Android platforms. The specific tasks involve identifying and fixing bugs along with implementing improvements to enhance the app's overall performance and user experience. Ideal candidates should have: - Extensive experience in mobile app code customisation - Proficiency in both iOS and Android platforms - Strong debugging and problem-solving skills - Ability to implement improvements based on user feedback and performance metrics
I have a WhatsApp chatbot and CRM script from CODE CANYON. I need a tech-savvy assistant who will help me with the following: -WHATSAPP API - API CONFIGURATIONS - HANDLUNG BUGS
Programa para Arduino ESP32 e display TFT 2.4 220x320 ILI9341 com um temporizador de 00min. 00seg. disparado por uma entrada que tbm dispara um totalizador de 4digitos e indicação de um codigo QRcode
I need an Arduino Uno code, alongside a connection diagram, that will allow me to integrate an RFID reader with a MIDI serial bridge. The setup should output a distinct MIDI note for each of my 6 RFID tags. Key Requirements: - Each RFID tag should trigger a different MIDI note when scanned. - The MIDI note numbers need to be hard-coded within the program. - The use of a 7-byte RFID tag, with UID provided by me. Ideal Skills: - Proficient in Arduino programming. - Experience with MIDI serial bridge setups. - Knowledgeable about RFID technology. - Capable of creating clear, understandable connection diagrams. The connection setup will be as follows: - An RFID reader is connected to the Arduino. - The Arduino is linked to a Hairless MIDI serial bridge. ...
I'm seeking an expert in embedded systems to develop software for a garage door control unit. This software should allow a physical remote to open and close the garage door. Key Requirements: - Embedded software development experience is crucial. - Understanding of RF (Radio Frequency) protocol is necessary as the remote will use this for communication. - Experience with designing software for physical remote control systems is preferred. Please note that the software should be reliable and able to handle the demands of controlling a garage door.
I need help running the Foodoma PWA code on my local environment. I'm facing some dependency issues and have some code configuration problems with the API and environment variables. If you can fix these issues quickly, I have more modules for customization and will be hiring you for a long time. The ideal candidate would be an experienced Foodoma developer with a history of customizing and fixing Foodoma code. Please include in your proposal examples of your previous Foodoma work.
I'm looking for a skilled engineer to develop an Arduino-based project for controlling an LED light. The light will be an LED and will be activated through a mobile application with a simple click. Key Requirements: - Experience with Arduino programming - Proficiency in developing mobile applications - Knowledge of LED circuitry - Ability to create a seamless user experience - Good communication skills for project updates and discussions The main task will be to design the control system, program the Arduino, and develop the mobile app interface. The goal is to have a functional, user-friendly system for controlling the LED light via clicks on a mobile app.
I need an experienced programmer who is proficient in both Java and C++ to add a new utility levy3 field in my C++ code. A utility levy2 field is already present, so you'll be building off of that. Key Tasks: - Add a utility levy3 field to the existing C++ code. - Investigate and fix the bug with utility levy2 that's causing a system crash. - Diagnose and resolve the issue with utility levy3, which is currently not displaying. Skills and Experience: - Proficient in C++ and Java. - Experience with debugging and system stability improvements. - Familiarity with field integration in programming. The main goal is to enhance the code for better data manipulation and to prevent system crashes. I look forward to y...
