C Programming is a powerful, high-level and highly structured programming language used to develop a range of applications, including operating systems, processing intensive computations and embedded systems. The language is designed to create a network of instructions that tells a computer what to do and how to do it. C Programmers are highly skilled software developers who understand how to turn lines of code into working programs that can solve a wide variety of challenges.

With their deep knowledge of the language, C programmers have an arsenal of tools at their disposal. From the basics like data structures and control flow, to more intricate details such as compilers and graphics libraries, C Programmers can create low-level system components, implement complex algorithms and develop sophisticated graphical user interfaces.

Here's some projects that our expert C Programmers made real:

  • Developing custom machine learning functions and programs
  • Writing software for a range of robotic applications
  • Creating advanced websites and mobile applications with secure authentication systems
  • Enhancing image processing techniques with sophisticated algorithms
  • Streamlining hardware communication protocols with custom implementations
  • Simplifying communication between hardware components with protocol decoders
  • Developing sophisticated animation features for post production workflows

At Freelancer.com we have the right C Programmer for any project you might need, no matter how complex or specialty it is. Our freelancers are highly qualified to write powerful applications in C and provide creative solutions with unparalleled speed and reliability. If you need help developing an application in C Programming, don’t hesitate to post your project on Freelancer.com today – our team of experts is ready to find the perfect solution for you!

From 174,255 reviews, clients rate our C Programmers 4.9 out of 5 stars.
Hire C Programmers

C Programming is a powerful, high-level and highly structured programming language used to develop a range of applications, including operating systems, processing intensive computations and embedded systems. The language is designed to create a network of instructions that tells a computer what to do and how to do it. C Programmers are highly skilled software developers who understand how to turn lines of code into working programs that can solve a wide variety of challenges.

With their deep knowledge of the language, C programmers have an arsenal of tools at their disposal. From the basics like data structures and control flow, to more intricate details such as compilers and graphics libraries, C Programmers can create low-level system components, implement complex algorithms and develop sophisticated graphical user interfaces.

Here's some projects that our expert C Programmers made real:

  • Developing custom machine learning functions and programs
  • Writing software for a range of robotic applications
  • Creating advanced websites and mobile applications with secure authentication systems
  • Enhancing image processing techniques with sophisticated algorithms
  • Streamlining hardware communication protocols with custom implementations
  • Simplifying communication between hardware components with protocol decoders
  • Developing sophisticated animation features for post production workflows

At Freelancer.com we have the right C Programmer for any project you might need, no matter how complex or specialty it is. Our freelancers are highly qualified to write powerful applications in C and provide creative solutions with unparalleled speed and reliability. If you need help developing an application in C Programming, don’t hesitate to post your project on Freelancer.com today – our team of experts is ready to find the perfect solution for you!

From 174,255 reviews, clients rate our C Programmers 4.9 out of 5 stars.
Hire C Programmers

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    I’m looking for help building a small FFmpeg-based workflow focused purely on video processing vision

    $125 Average bid
    $125 Avg Bid
    37 bids

    We already developed so finalize n8n video automation, fix remaining errors, complete YouTube v3 analytics logic in Google Sheets, implement Comet multi-SNS and email automation for about 20 platforms, develop a Chrome extension, integrate new AI models, configure Vision and FFmpeg, adjust system settings, integrate UI/UX, and connect everything to Supabase for payments and customer management, and we want your estimate of timeline, cost, and your n8n experience. We already developed so finalize n8n video automation, fix remaining errors, complete YouTube v3 analytics logic in Google Sheets, implement Comet multi-SNS and email automation for about 20 platforms, develop 5 Chrome extensions(like aito-whisk), integrate new AI models, configure Vision and FFmpeg, adjust system settings, integ...

    $240 Average bid
    $240 Avg Bid
    41 bids

    I'm looking for an experienced Python developer to install a trading bot on my computer. The bot will execute options trades on Thinkorswim based on a script I already have. Requirements: - Proficiency in Python - Experience with Thinkorswim platform - Ability to install and configure trading bots - Familiarity with options trading Ideal Skills and Experience: - Background in finance or trading - Previous work with trading automation - Strong troubleshooting skills Please provide a brief overview of your relevant experience.

    $138 Average bid
    $138 Avg Bid
    58 bids

    I need a complete, ready-to-use billing application for my retail store. The program must let me ring up sales quickly, keep live inventory counts, and maintain basic customer profiles so I can see who bought what and when. Every transaction should finish with a clean paper receipt that prints instantly from a standard thermal printer—no email option is required right now. Core functions I expect: • Inventory management that updates stock levels automatically as items are sold and warns me when quantities are low. • Real-time sales tracking with daily and monthly reports I can export to Excel or PDF. • A simple customer database tied to each sale for loyalty or return purposes. The interface has to be straightforward enough for cashiers with minimal training, a...

    $10 / hr Average bid
    $10 / hr Avg Bid
    31 bids

    I need a small, purpose-built utility that will unlock a currently blocked feature on my Brovi H155-381 device. You are free to choose the language and framework—Python with pySerial, C/C++, or even a lightweight Java app—as long as the end result is a reliable executable I can run on Windows. If gaining access requires reading or patching firmware, I’ll want clean, well-commented source files and a brief explanation of the offset or command sequence being changed. Deliverables • Compiled utility that unblocks the feature • Full source code and build steps • Short read-me covering usage, prerequisites, and a safe rollback method in case I ever need to restore factory state I’ll supply any device logs you request and can test builds quickly...

    $1080 Average bid
    $1080 Avg Bid
    57 bids

    I need a straightforward software application that runs natively on Linux and serves as a dedicated utility tool. The core idea is already outlined on my side; once we agree to work together, I will share a concise feature list and expected workflows. Here is what matters most to me: • Clean, dependable code that compiles without hassle on common Linux distributions. • A minimal-footprint executable plus the full, well-commented source. • Clear build instructions (Makefile, CMake, or an equivalent shell script). • A short README so I can install, run, and troubleshoot the tool on my own. Any modern language that is well supported on Linux—C, C++, Rust, Go, or Python—is fine, so choose whichever lets you deliver a robust result quickly. If you l...

    $471 Average bid
    $471 Avg Bid
    37 bids

    I am developing a Cabal Online Private MMORPG (EP 35 +). The system works through .so library injection into the game server process, and includes: Advanced C++ development Memory hooks and offset manipulation Packet interception and handling (C2S / S2C) Internal game structure interaction Modular plugin system JSON-based configuration Linux-based deployment I am looking for an experienced developer to help expand, stabilize, and improve this system. - Technical Requirements Strong C++ (advanced level); Linux development experience; Memory manipulation (pointers, offsets); Hooking / detours; Reverse engineering knowledge; Networking and protocol understanding; Advanced debugging skills; Nice to have: Experience with MMO private servers; Familiarity with Cabal, MU Online, Ragnarok, o...

    $3903 Average bid
    $3903 Avg Bid
    21 bids
    Fix FBX Bone Deformation Bug
    5 days left
    Verified

    My character FBX plays perfectly in DCC tools, yet inside my C-based custom engine every animation explodes—bones shoot off, limbs scale unpredictably and the mesh tears apart. The issue is clearly in the way my engine parses or applies the skeleton data, not in the source file itself. Here’s what you’ll walk into • A lean, self-written renderer and animation module (C, OpenGL, Assimp + limited FBX-SDK calls). • One rigged character with walk, run and idle clips that demonstrate the incorrect bone transformations as soon as they are loaded. • A reproducible test scene and a build pipeline that compiles in seconds on Windows. What I need from you 1. Pinpoint why the bone matrices are wrong—be it incorrect bind-pose extraction, wrong matrix or...

    $29 Average bid
    $29 Avg Bid
    27 bids

    I want a single, turnkey application that watches my CCTV feeds, spots shop-lifters in real time, recognises grocery products on the shelves, and keeps a live head-count of customers. The core model must be YOLO, and I need the exact same code-base to compile and run on both Windows (desktop with NVIDIA GPU) and a Raspberry Pi 4. Video sources vary—some cameras stream RTSP over IP while a few older analog units reach the NVR through a capture card—so the program has to accept either type without manual re-configuration. For product recognition I care only about groceries; no clothing or electronics labelling is necessary. The model should be trained (or fine-tuned) on the most common supermarket items so false positives stay low even when shelves are crowded. Key expecta...

    $702 Average bid
    $702 Avg Bid
    133 bids

    I am looking for an experienced ESP32 developer to implement an HTTP server with WebSocket communication and a self-hosted dashboard using ESP‑IDF. Requirements: - Development strictly using ESP‑IDF (no Arduino framework) - Implementation of an HTTP server hosted on the ESP32 - Integration of a WebSocket communication channel for real-time data exchange and commands - Implementation of a simple dashboard (HTML, CSS, JS) for testing WebSocket communication (I will provide almost-ready HTML and CSS files) - Implementation of the JavaScript code for handling WebSocket communication - Hosting the dashboard directly on the ESP32 (embedded in the binary) - Efficient handling of WebSocket messages according to the protocol specification (which I will provide) - Clean, modular, and maintainable c...

    $14 / hr Average bid
    $14 / hr Avg Bid
    56 bids

    I'm seeking an experienced C++ developer to write a patch for an old Windows 98/XP game to make it stable on Windows 10. The game currently crashes or freezes during gameplay, seemingly at random after playing for a while. The game is designed for 32bit, not 16, so it should probably be a bit easier. But I have very little knowledge of coding Requirements: - Expertise in C++ - Experience with legacy software and Windows compatibility issues - Ability to diagnose and fix crashes in games Ideal Skills: - Game development background - Familiarity with Windows 10 internals - Strong debugging skills

    $505 Average bid
    $505 Avg Bid
    57 bids

    Looking for Experienced Metin2 Developers (C++ / Python) – Paid Project Hi, I’m looking for 1–2 experienced Metin2 developers for a long-term paid project. Project: Custom Metin2 private server with unique systems (runes, custom drops, balance changes, PvE/PvP improvements). The goal is to build a stable, long-term server, not a quick copy-paste project. Requirements: Proven experience with Metin2 server core (C++) Experience with Metin2 client modifications (Python/UI) Ability to create custom systems (e.g. rune system, special bonuses, dungeon mechanics, drop systems) Bug fixing, optimization, performance improvements Good communication and reliability Nice to have: Previous work on known Metin2 private servers Experience with server security / basic anti-che...

    $21 / hr Average bid
    $21 / hr Avg Bid
    71 bids
    C Programming Training
    4 days left
    Verified

    I am looking forward a trainer who has deep experience in C programming, and train me with all function types remotely, and also help wirh real time project examples

    $7 Average bid
    $7 Avg Bid
    7 bids

    I want a lightweight Windows executable that lets me write free-hand over anything displayed on the screen so I can illustrate points live during my lessons. The goal is strictly educational and the main users will be fellow teachers who need to annotate slides, webpages or videos without juggling complicated apps. Core expectations • Launches from a single .exe and overlays a transparent canvas on top of the current screen. • Smooth pen, highlighter and eraser with adjustable colours and stroke widths. • Quick shortcuts to hide/show ink or clear the canvas while keeping the underlying content intact. • Option to save a screenshot of the annotated screen for later sharing. I’m open to your suggestions on extra classroom-friendly touches—perhaps s...

    $13 Average bid
    $13 Avg Bid
    6 bids

    I need a working, proof-of-concept framework that ingests live and historic network traffic logs, learns from them in near-real time, and flags malicious patterns before they escalate. The core must combine traditional threat-intel techniques with machine-learning pipelines so the system continuously adapts as new data arrives. Here’s what success looks like to me: • A modular data-collection layer that can stream pcap, NetFlow, or similar log formats into a preprocessing engine. • Feature-engineering and model-training code written in Python (feel free to leverage Pandas, scikit-learn, TensorFlow, PyTorch—whatever best suits the task). • A detection component that scores incoming traffic and raises alerts via a simple REST API or CLI output. • Cl...

    $8992 Average bid
    $8992 Avg Bid
    15 bids
    X86 Assembly Coding Support
    4 days left
    Verified

    I’m integrating a small yet critical X86 routine into a larger, production-grade application and need a seasoned assembly programmer to jump in quickly, finish the code, and prove it works with a clear screenshot of the routine executing correctly. You will receive my current source and a brief on the expected behaviour. Tweak, extend, or completely rewrite the segment—whatever delivers a clean, working solution that slots straight into our existing build. Accuracy matters more than elegance, but if you can squeeze in a performance gain, all the better. Please return: • The updated .asm (or .s) file and any supporting files • A short note on what you changed and why • A screenshot of the program running and producing the expected output in a terminal or d...

    $154 Average bid
    $154 Avg Bid
    58 bids

    I need a Python‐based trading bot that plugs directly into Broker's SDK and executes fully automated trades on the NSE. The core objective is a clean, well-documented workflow that: • Authenticates with Broker A’s API and maintains a stable session • Streams live NSE market data from the SDK • Generates, places, modifies, and cancels orders automatically based on my strategy hooks • Logs every request/response for audit and debugging Please build the solution in modular, well-commented Python 3.x so I can swap in new strategies later without touching the integration layer. A concise README with setup steps, environment variables, and example strategy templates will be the final acceptance test.

    $91 Average bid
    $91 Avg Bid
    27 bids

    I need my existing systems connected to the official WhatsApp Business API so customers receive fully automated messages at the right moments. The flow should cover three scenarios: a warm welcome when users first engage, a timely follow-up after specific actions, and occasional promotional broadcasts that respect WhatsApp’s policies. Message templates are not ready yet, so part of the job is to craft compliant, on-brand templates, submit them for Meta approval, and wire them into the automation logic. Deliverables • End-to-end WhatsApp Business API integration, including webhook configuration and testing • Three approved template sets: Welcome, Follow-up, Promotional • Clear documentation showing how to modify templates or add new triggers in the future ...

    $526 Average bid
    $526 Avg Bid
    68 bids

    Most of the core application is already live, but I need a reliable Python/Django developer who can step in quickly and bring the project to the finish line. Here is what I still need: • Add new features that plug smoothly into the current codebase. • Polish and extend existing functionality so workflows feel seamless for end-users. • Track down and fix the lingering bugs we’ve logged. • Refresh selected user-interface screens while keeping the existing design language. • Tweak backend logic where necessary to support the updated UI. The stack is pure Python/Django, so deep familiarity with Django models, views, templates, DRF, and common third-party packages is essential. You should also be comfortable working in Git, writing clear commit messages,...

    $292 Average bid
    $292 Avg Bid
    57 bids

    I need a developer to create a dedicated communication-management tool that runs natively on Linux. The core requirement is the ability to establish, track, and gracefully close sessions over both TCP/IP and UDP. All connection handling, queueing, and basic error management should happen inside the tool so that client applications can speak through a clean, well-documented API instead of implementing their own socket logic. This tool must be system centric installed on our Linux server Here is what I have in mind: • Command-line operation is fine for the first iteration, but please structure the code so a lightweight GUI or web dashboard could be bolted on later. • Clear logging of connection events, dropped packets, and throughput statistics is essential—I’ll be p...

    $18 / hr Average bid
    $18 / hr Avg Bid
    17 bids

    I’m building a smart irrigation setup that links a Raspberry Pi edge server with several ESP32 nodes in the field. Each ESP32 gathers data from soil-moisture probes, compact weather boards (temperature, humidity, barometric pressure), and inline flow meters, then reports everything wirelessly to the Pi for processing. Here’s what I need from you: • Python (Raspberry Pi) and MicroPython/C++ (ESP32) code that ingests the raw sensor streams, pushes them through an on-device model, and decides—within seconds—whether to start or stop the main pump and which solenoid valves to open. • An ML pipeline: training notebooks, a lightweight model (TensorFlow Lite or similar) and the inference wrapper that runs locally. The model must act on current soil-moisture rea...

    $1175 Average bid
    $1175 Avg Bid
    59 bids

    Please read carefully for full consideration DO NOT POST QUESTIONS TO BOARD THEY WILL BE IGNORED There is a technical document if you would like consideration please fill out document alon with your bid this is not a crypto bot and i am not seeking a feature builder Senior Broker Execution Engineer – Full Automation Hardening & System Cohesion – Cash-Only Options Engine I am completing a nearly finished Python-based automated options trading system. Strategy logic is complete. This engagement is not about alpha or indicator development. This is systems engineering, execution safety, wiring integrity, and production reliability. System Context Per current architecture: Schwab Trader API OAuth implemented Token server active Cash account only Single-leg equity...

    $892 Average bid
    $892 Avg Bid
    164 bids

    I want to dig deep into the NIST SP 800-22 randomness test suite and document the entire journey from set-up to results. Your assignment is to: • study the concepts in “”, • download and compile the official tests from , • create several fresh bit streams of suitable length using your own generator. I intend these to be pseudorandom sequences produced with the “Cryptography doctor” approach I have in mind, so please do not rely on the NIST software itself as a source of bits, only as the evaluator, • run every applicable test in the suite against my sequences, capture all intermediate statistics, and interpret the p-values with respect to the recommended 1 % / 5 % thresholds, • prepare a clear report that explains each step: how you...

    $31 Average bid
    $31 Avg Bid
    18 bids

    I am looking for someone to develop hardware on my request, it will be simple projects as seen on you tube. I am interested to know hourly rates, if I provide the hardware and code they would just need to wire them up. Would be nice to have someone from India NCR.

    $10 / hr Average bid
    $10 / hr Avg Bid
    33 bids

    I already have a partly-finished, AI-assisted utility that scans the Articulate Storyline courses, simulates a JAWS screen-reader pass, flags every accessibility defect it finds, and suggests code-level fixes. The original vendor could not complete the build, so I need someone who can step in, assess the existing codebase, and carry the project to a reliable, production-ready release. Current status • Core crawler and DOM parser are in place and successfully open Storyline-published packages. • Crawl the course ZIP package, and detect issues like missing alt text, missing tab orders and tab focuses etc.. specifically to find the issues that may be found when we run the course with JAWS reader. • A preliminary rule set identifies several common JAWS issues, but coverage...

    $794 Average bid
    $794 Avg Bid
    14 bids

    I want every Logic Pro plug-in I own—roughly somewhere between 100 GB and 500 GB of instruments, effects, and support files—moved off my Mac’s internal drive onto a fast external SSD. The goal is simple: free up space locally while keeping Logic Pro X working exactly as before, with all authorisations intact and presets loading instantly from the new location. Here is what I need from you: • Transfer the entire plug-in and content folders to the external SSD, preserving file structure. • Update paths or create the necessary symbolic links so Logic Pro sees the libraries in their new home without any manual relinking on my part. • Verify every plug-in launches, scans, and passes the Logic Plug-in Manager validation once the move is finished. • Pr...

    $7 - $17
    $7 - $17
    0 bids
    Develop windows driver
    3 days left
    Verified

    Hi I will share the details with the shortlisted candidates. thanks

    $139 Average bid
    $139 Avg Bid
    24 bids

    I need a concise Python 3 script that will run on a Raspberry Pi 5 and do the following: • Watch a single GPIO input line for the HIGH digital signal coming from my Sony camera’s built-in AI output. • As soon as that digital signal is detected, drive a separate GPIO output that energises a small 5 V solenoid for five seconds, then automatically switch it off. • Debounce or otherwise ignore any further triggers until the five-second period is complete. The camera only provides a digital signal, so no protocol parsing is required—plain HIGH/LOW logic on the GPIO pin is all I need. The trigger itself must use the Pi’s native GPIO header rather than USB or networking. I haven’t fixed the exact GPIO numbers yet; feel free to suggest sensible default...

    $25 / hr Average bid
    $25 / hr Avg Bid
    123 bids

    Most of the core application is already live, but I need a reliable Python/Django developer who can step in quickly and bring the project to the finish line. Here is what I still need: • Add new features that plug smoothly into the current codebase. • Polish and extend existing functionality so workflows feel seamless for end-users. • Track down and fix the lingering bugs we’ve logged. • Refresh selected user-interface screens while keeping the existing design language. • Tweak backend logic where necessary to support the updated UI. The stack is pure Python/Django, so deep familiarity with Django models, views, templates, DRF, and common third-party packages is essential. You should also be comfortable working in Git, writing clear commit messages,...

    $313 Average bid
    $313 Avg Bid
    52 bids

    Your work will include: • Installing the full list of packages I provide. • Configuring each component so paths, environment variables, services, and firewalls line

    $142 Average bid
    $142 Avg Bid
    53 bids

    I’m updating the firmware for an STM32-based design and need an experienced C++ developer who is comfortable inside STM32CubeIDE. The codebase already compiles and runs on the microcontroller, but several features still require clean, well-structured implementation, performance tuning and thorough testing directly on the hardware. You’ll be working exclusively with STM32 microcontrollers; no FPGA or other targets are involved. Please be ready to pull the current CubeIDE project from my repository, build it as-is, and then extend it in C++17 (or later) while respecting the existing HAL layer and project structure. Deliverables • Updated CubeIDE project with the new or fixed functionality fully integrated • Clear build instructions and a short change log so I can ...

    $277 Average bid
    $277 Avg Bid
    21 bids

    I need a developer to create a dedicated communication-management tool that runs natively on Linux. The core requirement is the ability to establish, track, and gracefully close sessions over both TCP/IP and UDP. All connection handling, queueing, and basic error management should happen inside the tool so that client applications can speak through a clean, well-documented API instead of implementing their own socket logic. This tool must be system centric installed on our Linux server Here is what I have in mind: • Command-line operation is fine for the first iteration, but please structure the code so a lightweight GUI or web dashboard could be bolted on later. • Clear logging of connection events, dropped packets, and throughput statistics is essential—I’ll be p...

    $2003 Average bid
    $2003 Avg Bid
    21 bids

    The embedded system comprises 2 STM32 boards connected to their own 7 sensors, 1 motor, and 3 relays. Each is connected to a central Raspberry Pi 4 board. The RIGHT STM32 board also has a TFT ST7789 2inch display. The Raspberry Pi has its own 5-inch display (connected via HDMI) and is connected to a battery BMS via UART and controls the main ON/OFF switching of the exoskeleton system driven via a 48V 10A relay. The Raspberry Pi also controls the operation of a 5V air-pump via a relay able to deliver 1.5A. 1. Graphical user interface (GUI) developed for the STM32 to drive the ST7789 display. The detailed requirements for this GUI are presented in Figure 3. 2. GUI developed for the Raspberry Pi display. The detailed requirements for this GUI are the same as for STM32. 3. Software for...

    $202 Average bid
    $202 Avg Bid
    11 bids

    I need a clean, well-commented AFL that continuously scans NSE equities AND F&O contracts and flags opportunities the moment the conditions I will specify are met. 1,THE AFL IS COMBINATION OF 5 INDICATORS * I WILL GIVE THE SOURCE CODE EXTRA CODE FOR A BUY SELL DECISSION ON A COMBINED LOGIC OF THESE 5 INDICATORS, I WILL PROVIDE PARTIAL CODE, BUT THERE ARE ERRORS IN THAT CODE , TO BE RECTIFIEDM BACK TEST AND DOCUMENTATION FOR THIS INCLUDING AMIBROKER SETTINGS FOR BACK TESTM I WILL PROVIDE PARTIAL CODE SHALL BE POSIIBLE WITH ALL PARAMETERS AT ONE SECTION OF AFL, I WILL GIVE PARTIAL CODE 5,EXPLORATION: SCANNING OF 50 STOCKS AT ONCE WILL BE DONE MINUTEWISE UNDER THE LOGIC, I WILL PROVIDE PARTIAL CODE, SO DEVELOPER NEEDS TO CORRECT IT IF REQUIRED, PRESENYLY EXPLORATION IS WORKING, SH...

    $84 Average bid
    $84 Avg Bid
    8 bids

    I'm looking for an experienced Python developer to create an algorithmic trading bot based on my own unique strategy for options trading. The bot should incorporate the following key functionalities: - Backtesting: Ability to test the strategy against historical data. - Real-time data feed: Integrate with reliable data sources for live market updates. - Automatic order execution: Execute trades automatically based on the strategy signals. Ideal Skills and Experience: - Proficiency in Python and experience with trading libraries. - Strong understanding of options trading and market dynamics. - Experience in developing and backtesting trading algorithms. - Familiarity with integrating real-time data feeds and order execution systems. Please provide examples of previous work and relev...

    $93 Average bid
    $93 Avg Bid
    11 bids

    We are seeking an experienced Unreal Engine game developer to join our team for the development of a Bronze Age survival RPG. The ideal candidate will have a passion for creating immersive gameplay experiences and a strong understanding of game mechanics. You will be responsible for designing, prototyping, and implementing game systems. If you have a portfolio showcasing your previous work in Unreal Engine and an enthusiasm for survival RPGs, we would love to hear from you!

    $1102 Average bid
    $1102 Avg Bid
    11 bids

    # Embedded Linux System – Technical Specification ## Custom Hardware Platform based on Raspberry Pi CM4 --- ## 1. Project Overview This project is based on an **existing, functional custom hardware platform** using a **Raspberry Pi Compute Module 4 (CM4)**. A standard Raspberry Pi OS is already running on the device. The goal of this project is **not to create a prototype**, but to bring an **existing custom CM4-based hardware platform into a professionally engineered, maintainable, and reproducible software state**, suitable for industrial deployment and scaling. --- ## 2. Project Goals The primary project objective is to **bring a custom hardware platform with a Raspberry Pi CM4 module into a robust, industrial-grade software state**, including: - a clean and well-docu...

    $635 Average bid
    NDA
    $635 Avg Bid
    47 bids

    I’m building a smart irrigation setup that links a Raspberry Pi edge server with several ESP32 nodes in the field. Each ESP32 gathers data from soil-moisture probes, compact weather boards (temperature, humidity, barometric pressure), and inline flow meters, then reports everything wirelessly to the Pi for processing. Here’s what I need from you: • Python (Raspberry Pi) and MicroPython/C++ (ESP32) code that ingests the raw sensor streams, pushes them through an on-device model, and decides—within seconds—whether to start or stop the main pump and which solenoid valves to open. • An ML pipeline: training notebooks, a lightweight model (TensorFlow Lite or similar) and the inference wrapper that runs locally. The model must act on current soil-moisture rea...

    $493 Average bid
    $493 Avg Bid
    137 bids

    I’m building a new PC game and need an Unreal Engine expert to take charge of the entire multiplayer layer. The exact genre is still open, but the core requirement is rock-solid online play that feels seamless to end users on Windows. You’ll work inside Unreal Engine 5 (Blueprints and C++) to prototype, iterate, and ultimately ship a vertical slice that proves: • A dedicated-server or listen-server architecture is in place, handling lobbies, matchmaking, and session persistence • Movement, combat, and interactables replicate correctly for at least 8 simultaneous players with <100 ms latency variance • A complete flow from lobby → match → post-match results runs without crashes or desyncs at 60 FPS on mid-tier hardware Once the vertical slice...

    $547 Average bid
    $547 Avg Bid
    16 bids

    Project Brief: Industrial 230V ESP32-C3 Toshiba AC Gateway & I/O Controller 1. Project Overview Design and develop a production-ready, CE-compliant, DIN-rail mounted (EN 60715) industrial controller for Toshiba AC systems. The device serves as a Master Gateway bridging three domains: • Toshiba AB Protocol – Galvanically isolated UART interface to AC indoor units • Modbus RTU (RS-485) – Expansion bus for modular field I/O (relays, temperature, analog modules) • Local Analog I/O – 0–10 V interfaces for direct HVAC integration The system must be stable, thermally suitable for sealed enclosures, and follow Screaming Architecture principles for long-term maintainability. 2. Hardware Specifications Power & Safety • Integrated ...

    $1825 Average bid
    $1825 Avg Bid
    72 bids

    I’m building a new PC game and need an Unreal Engine expert to take charge of the entire multiplayer layer. The exact genre is still open, but the core requirement is rock-solid online play that feels seamless to end users on Windows. You’ll work inside Unreal Engine 5 (Blueprints and C++) to prototype, iterate, and ultimately ship a vertical slice that proves: • A dedicated-server or listen-server architecture is in place, handling lobbies, matchmaking, and session persistence • Movement, combat, and interactables replicate correctly for at least 8 simultaneous players with <100 ms latency variance • A complete flow from lobby → match → post-match results runs without crashes or desyncs at 60 FPS on mid-tier hardware Once the vertical slice...

    $1149 Average bid
    $1149 Avg Bid
    14 bids

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