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PROJECT DESCRIPTION Package E – Embedded Firmware Development Project: Box Capsule 1. PROJECT OVERVIEW Box Capsule is a vehicle-mounted hardware device designed to physically restrict access to a mobile phone while driving. The system operates as a standalone embedded device. Its purpose is to reduce driver distraction by controlling physical access to the phone based on real-world conditions such as motion and user interaction. This is not an app-based solution. All critical functionality must be executed locally on the device. 2. SYSTEM OBJECTIVE The firmware must control a locking mechanism that: * allows the user to insert a phone * detects lid status (open/closed) * detects motion or driving condition * locks the phone when required * prevents access while driving * allows safe unlocking when conditions permit The system must prioritize safety, reliability, and deterministic behavior. 3. CORE FUNCTIONAL REQUIREMENTS The firmware must implement: * real-time input monitoring * deterministic state-based control logic * actuator control (lock/unlock) * emergency override handling * fault detection and safe fallback behavior The system must behave predictably under all conditions. 4. SYSTEM ARCHITECTURE The firmware must be structured into clear modules: * system initialization * sensor/input manager * state machine controller * latch/actuator control * fault manager * watchdog system * diagnostics interface * event logging system Each module must be independent and maintainable. 5. STATE MACHINE REQUIREMENT A formal finite state machine is required. Typical states include: * BOOT * IDLE (no phone or lid open) * READY (phone inserted, lid closed, no motion) * LOCKED (during motion) * UNLOCK_READY (safe to unlock) * EMERGENCY_RELEASE * FAULT All transitions must be clearly defined and documented. 6. INPUTS AND OUTPUTS The firmware must support the following logical signals: Inputs: * phone presence detection * lid open/close detection * motion detection * emergency override input Outputs: * lock actuator control * status indication (LED or equivalent) Exact pin mapping will be defined separately. 7. SAFETY AND RELIABILITY The system must: * operate fully offline * never depend on external connectivity * include watchdog protection * handle unexpected resets safely * ensure fail-safe behavior on fault Safety-critical functions must always have priority over secondary features. 8. EVENT LOGGING (FOR FUTURE EXPANSION) The firmware must include a basic event logging capability. This will be used in future versions for compliance and reporting. Events may include: * lock/unlock actions * motion detection * user interactions * fault conditions Logging must: * use non-volatile memory * not interfere with real-time control * follow a simple structured format 9. FUTURE COMPATIBILITY (IMPORTANT) The firmware must be designed so that future features can be added, including: * data export * external communication (BLE or similar) * compliance reporting systems * integration with external platforms However: Core lock/unlock behavior must NEVER depend on these features. 10. DEVELOPMENT REQUIREMENTS The developer must: * use structured, readable code * follow embedded best practices * document all modules and logic * provide a clear architecture overview 11. DELIVERABLES Required deliverables: * full firmware source code * state machine diagram * module architecture description * input/output mapping * build and flashing instructions * test procedure documentation 12. EXPECTATIONS This is a safety-related embedded system. The focus is on: * robustness * simplicity * reliability Overengineering, unnecessary complexity, or cloud-dependent logic is not acceptable. END OF DOCUMENT
ID do Projeto: 40358356
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51 freelancers estão ofertando em média $164 CAD for esse trabalho

As an expert Electrical Engineer and professional in the field of embedded systems and firmware development, I strongly believe I am the right candidature for your project. I have a Master's degree in Embedded Systems and possess extensive experience in delivering robust, safety-critical embedded solutions precisely like the Box Capsule you need for monitoring driving conditions and restricting phone access. My competency spans across various devices including STM32, ESP32, TI Tiva, Raspberry Pi and more which fuels my understanding of microcontrollers and proficiency at programming languages such as C/C++. Having worked on multiple systems with diverse functionalities before, I can comfortably design the architecture of this standalone embedded device system. Moreover, I can execute the task of state machine definition methodically by outlining clearly defined states matching their corresponding behavioural transitions. Additionally, my skill set extends to include not just software development but also hardware design allowing me to understand how best to integrate these two aspects for optimal results. This not only includes developing structured efficient code ensuring deterministic behavior but also facilitating provisions for future expansion making your system compatible with extensive requirements without impacting core functionality. My focus is always on maintaining robustness and reliability
$350 CAD em 7 dias
8,3
8,3

I am a skilled and reliable Embedded Systems Engineer with over 6 years of hands-on experience in Arduino, ESP32/ESP8266, and microcontroller-based development. I specialize in designing efficient, stable, and scalable embedded solutions, turning ideas into fully functional hardware-software systems. I have a strong background in electronics, sensors, communication protocols (UART, I2C, SPI, MQTT, WiFi, BLE), and real-time embedded systems. My development approach focuses on clean, well-structured, and well-documented firmware, ensuring long-term reliability and easy maintenance. I also provide thorough testing, debugging, and performance optimization, including power efficiency improvements where required. I am a detail-oriented engineer with strong problem-solving skills and extensive experience in hardware debugging and firmware optimization. Beyond technical expertise, I value clear communication, meeting deadlines, and maintaining high client satisfaction. I work closely with clients to fully understand project requirements and deliver high-quality results. Pricing is flexible and can be discussed based on project scope and complexity. I am open to both short-term and long-term projects. Let’s work together to build a professional, reliable, and efficient embedded system for your needs.
$250 CAD em 7 dias
7,5
7,5

Hi I can develop robust embedded firmware for your Box Capsule device with a strong focus on safety and reliability. I will implement a deterministic finite state machine to manage all system states and transitions. The firmware will be modular, covering input handling, actuator control, fault management, and watchdog systems. All inputs (motion, lid, phone detection, emergency override) will be processed in real-time with priority control. I will ensure fail-safe locking behavior to prevent access during unsafe driving conditions. Fault detection and recovery mechanisms will be built to maintain safe operation at all times. The system will run بالكامل offline with no dependency on external connectivity. Event logging will be efficiently implemented using non-volatile memory for future scalability. Code will be clean, documented, and designed for easy future integration (BLE, diagnostics, etc.). I will deliver complete firmware, architecture documentation, state diagrams, and testing procedures.
$140 CAD em 7 dias
6,7
6,7

Hi there, I have read your project requirement. You need embedded firmware for the Box Capsule device with deterministic state-machine control, real-time input monitoring, actuator handling, fault management, watchdog safety, and modular architecture designed for reliability and future extensibility. We can develop robust firmware using embedded C/C++ with a clear finite state machine, modular architecture (input manager, control logic, actuator, fault handler, logging), and safety-first design ensuring deterministic behaviour, fail-safe handling, and offline operation. Before proceeding, I have a few questions: ================================== Which microcontroller/platform are you planning to use (STM32, ESP32, AVR, etc.)? What type of motion detection sensor will be used (accelerometer, CAN input, etc.)? What is the locking mechanism (solenoid, motor, latch type)? Do you need RTOS-based implementation or bare-metal preferred? Best Regards, Srashtasoft Team
$190 CAD em 7 dias
6,7
6,7

Hi there, I’ve carefully read your project description and I fully understand the requirements: developing robust, deterministic firmware for a safety-critical embedded device with a strict state-machine architecture and fail-safe behavior. This fits my skillset very well. With my background in mechatronics and embedded systems, I have strong experience building real-time, state-driven firmware for control systems involving sensors, actuators, watchdogs, and fault management. I’m particularly comfortable designing clean finite state machines with well-defined transitions and modular architectures that are reliable and easy to maintain. I can implement a structured firmware with clear separation of modules (inputs, state machine, actuator control, fault handling, logging), ensuring predictable behavior under all conditions, including resets and edge cases. Safety, simplicity, and robustness will be the priority from the start. Given my experience, I’m confident I can deliver this efficiently and professionally. Just send me a message and we can get started right away. Best regards, Samuel Tshibangu
$250 CAD em 1 dia
6,4
6,4

Hello, As an experienced software development company, we've tackled numerous complex projects with robust necessities similar to the Box Capsule. We understand that your primary concern is safety, simplicity, and efficiency. Our team has a proven track record of developing embedded systems that prioritize reliability - a quality essential for this project. We're well-versed with embedded best practices and will create clean, structured code that is easy to maintain and document. Our approach not only emphasizes efficient running of the system but also prepares for future enhancements by building in support for data export, compliance reporting, external communication, integration with external platforms without compromising key functionalities. In line with your goals, our team will create a clear state machine diagram as well as detailed module architecture description to ensure smooth traceability and help visualize the system's logic. Additionally, as a safety-related device that operates offline, we understand the significance of non-volatile memory storing for event logs. Combining these measures with our reliable fault detection system ensures a fail-safe environment even under unexpected resets. Let us turn your project into a reality that exceeds expectations! Thanks!
$130 CAD em 2 dias
6,2
6,2

Hello,\n\nLet me develop robust firmware for your Box Capsule device.\n\nMy approach will focus on creating a reliable, offline state machine for secure phone access control.\nI will ensure deterministic behavior and fail-safe mechanisms are prioritized throughout the development. \n\nCould you please clarify the specific type of motion sensor you intend to use and its expected output signal?\n\nRegards, Muhammad Azeem
$180 CAD em 10 dias
5,9
5,9

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas: Antenna Design (CST, HFSS) Embedded C Programming. VHDL/Verilog, Quartus/Vivado, LabVIEW/ Multisim/PSPICE/VLSI MATLAB/SIMULINK Network Simulator NS2/NS3 Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32. IDEs like Keil MDK V5, ATmel studio and MPLab XC8. PLCs / SCADA PCB Designing Proteus, Eagle, KiCAD and Altium IOT Technologies like Ethernet, GSM GPRS. HTTP Restful APIs connection for IOT Communications. Also, we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements.
$140 CAD em 7 dias
5,8
5,8

With over 7 years of professional software development under my belt, I’ve cultivated a diverse skillset capable of tackling any project requirement. I am not just about the languages, I provide full-stack solutions that integrate efficiently and effectively. A project like Box Capsule underscores why I have such a passion for embedded system development- focusing on core functionalities and working largely offline to ensure safety. My deep knowledge of C programming would make me ideal for this project as real-time control is of the highest importance. Reliability and simplicity are the hallmarks of any great embedded system, and I exceed those standards with every line of code I write. You’ll find that my work is highly structured, readable, and fully documented — which speaks directly to your desired deliverables. Drawing on my experience in various domains, including web development and app development, I can future-proof this firmware for you — addition of features will be made smoother without overshadowing or impacting the core lock/unlock behavior. In conclusion, working with me means more than just receiving a well-functioning firmware; it’s an invitation to long term success in your productꞌs lifecycle. I am not only satisfied until you are!
$30 CAD em 7 dias
5,7
5,7

With a proven track record in electronics, embedded systems and mobile app development, my team and I are the perfect fit for your Box Capsule firmware creation project. We specialize not only in software engineering, but also have extensive knowledge in hardware design encompassing microcontrollers, PCB development with a thorough understanding of electronic systems. This puts us in the unique position to ensure a seamlessly integrated solution that works with your specific system objectives. Our deep understanding of real-time monitoring combined with deterministic state-based control logic is aligned exactly with the core functionalities you require including actuator control (lock/unlock), fault-detection and safe fallback behavior. Enhancing safety and reliability is our topmost priority when working on a project of such critical nature as yours. We adhere to the best practices enmeshed with simplicity thus ensuring maximum dependability and robustness within your specified demands.
$200 CAD em 7 dias
4,7
4,7

Hey , I just went through the project description, and I see you are looking for someone experienced in Electronics, Embedded Systems, Debugging, Bluetooth Low Energy (BLE), Mobile App Development, C Programming and Microcontroller. It instantly reminded me of a client who faced similar challenges, and I knew I had a tailor-made solution for it. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: • Is there anything else you’d like to add to the project details? • What’s the top hurdle you’re facing with this project? • What is the timeline to get this done? Why Choose Me? 250+ Projects. 5 Years. Zero Misses. My reputation is built on a single metric: Flawless Execution. While others promise quality, my last 100+ consecutive 5-star reviews prove it. I don’t just finish the job; I set the standard. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) The portfolio here is just the tip of the iceberg. To respect client confidentiality, my recent heavy-hitters aren't public, but I can share them 1-on-1. Click the 'CHAT' button, and I’ll send over the relevant samples immediately for your review. Regards, Abdul Haseeb Siddiqui.
$30 CAD em 6 dias
4,4
4,4

With a proven track record in web, mobile, and game development, I bring a unique blend of skills to your electronics firmware project. I am well-versed in numerous programming languages including C, which will be crucial for tasks such as real-time input monitoring and actuator control. Moreover, my broad experience with CMS platforms like WordPress and Shopify demonstrates my ability to work with and maintain independent modules - a key requirement for your firmware. Notably, I have successfully developed applications that prioritize robustness, simplicity, and reliability – values central to your project. Lastly, I understand the criticality of safety-focused projects like yours. My years in the industry have ingrained in me the need for meticulous documentation and excellent project management. Consequently, you can expect streamlined deliverables including full source code, state machine diagrams and more to ensure both seamless system management now and for any future expansion. In short, hire me for professional savoir-faire marrying coding expertise and safety-centric mindset!
$140 CAD em 7 dias
4,1
4,1

Hello, I have over 10 years of experience in software development, specializing in mobile app development and web development using PHP Laravel. I have worked on various projects including mobile applications, business websites, SaaS platforms, admin panels, APIs, and management systems. My expertise includes: • Mobile App Development (Android, iOS – Native & Hybrid) • Flutter and React Native App Development • Web Development using PHP, Laravel, MySQL • REST API Development and Integration • Admin Panels and Dashboard Development • E-commerce and Business Websites • Bug Fixing and Performance Optimization • Existing System Upgrade and Feature Development • Database Design and System Architecture • Deployment and Server Management I handle complete development from planning to deployment and maintenance. I focus on clean coding, scalable architecture, and long-term support. I am available to start immediately and assure reliable communication, quality work, and timely delivery. Looking forward to discussing your project. Thank you.
$140 CAD em 7 dias
4,3
4,3

Hello, I’ve reviewed your Box Capsule embedded firmware project, and it fits perfectly with my experience in embedded systems and safety-critical device development. I’m an Electrical Engineer with strong expertise in microcontroller programming (STM32, ESP32, PIC) and building reliable, standalone embedded systems. I have hands-on experience developing real-time control systems, including CNC controllers, measurement devices, and industrial electronics where deterministic behavior and fault safety are critical. For your project, I can: Design a clear finite state machine (BOOT, IDLE, READY, LOCKED, FAULT, etc.) Implement reliable sensor monitoring and actuator control Build a modular firmware architecture (state machine, input manager, watchdog, fault handler) Ensure fail-safe behavior and safe recovery Add non-blocking event logging for future expansion I focus on writing clean, maintainable, and robust code without unnecessary complexity. I’d be happy to discuss your hardware platform and get started. Best regards
$100 CAD em 3 dias
3,3
3,3

I have developed a smart control device with motion detection and secure access logic, where the system had to respond instantly and behave predictably under all conditions. My Approach: I will keep the firmware simple, structured, and reliable: -Design a clear Finite State Machine (FSM) with all states (BOOT, IDLE, READY, LOCKED, etc.) and safe -transitions -Create separate modules for: -input handling (sensors) -state machine control -actuator (lock/unlock) -fault detection + watchdog -Implement real-time monitoring with priority for safety conditions -Add fail-safe behavior (e.g., safe unlock in fault/emergency cases) Deliverables: Complete firmware source code (well-structured and documented) State machine diagram Module architecture overview Input/output mapping Build & flashing instructions Test procedure documentation I also have a fully equipped electronics lab, where I can test the firmware with real hardware scenarios to ensure stability and reliability before delivery.
$140 CAD em 3 dias
3,2
3,2

⭐⭐⭐⭐⭐ This is exactly the kind of embedded project where architecture matters more than clever code. For a safety-related standalone device like Box Capsule, I would build the firmware around a formal finite state machine with strict separation between sensing, control, fault handling, watchdog, and logging, so behavior stays deterministic under all conditions. My approach: • Define and document the full FSM: BOOT / IDLE / READY / LOCKED / UNLOCK_READY / EMERGENCY_RELEASE / FAULT • Build modular firmware blocks: – initialization – input manager – state controller – actuator/lock driver – fault manager – watchdog – diagnostics – non-volatile event log • Ensure safe reset behavior and fail-safe transitions • Keep the design fully offline and ready for future BLE/data export without touching core lock logic Deliverables: • full firmware source • state machine diagram • module architecture description • I/O mapping • build/flashing instructions • test procedure documentation I have experience with embedded control firmware, deterministic state machines, watchdog/fault recovery, and maintainable code structure for hardware products. Quick questions: • What MCU/platform is the hardware based on? • Are motion inputs simple digital signals or IMU-based? • Is the lock actuator solenoid, motor, or latch type? If the hardware details are ready, I can start by defining the state model and firmware skeleton immediately.
$140 CAD em 7 dias
2,9
2,9

Hello I will implement a deterministic, safety-first firmware architecture using a well-defined FSM and fail-safe control to ensure the device behaves predictably under all real-world conditions. Confirmations: -FSM-based design (BOOT / IDLE / READY / LOCKED / UNLOCK_READY / EMERGENCY / FAULT) -Real-time input handling (lid, phone detect, motion, emergency) -Deterministic actuator control (no race conditions) -Watchdog + safe recovery on reset -Fault detection with guaranteed safe fallback (never unsafe lock state) -Non-volatile event logging (non-blocking) -Modular architecture (clean separation for future BLE/log export) Execution Approach: -Start with system architecture + state transition definition -Implement input abstraction layer (debouncing + validation) -Develop FSM core with strict transition guards -Add actuator driver with safety interlocks -Integrate watchdog + fault manager -Implement lightweight ring-buffer logging in flash -Provide clear diagnostics interface for testing Delivery: -Full firmware source (structured, documented) -FSM diagram + transition table -Module architecture documentation -I/O mapping -Build & flashing guide -Test procedures (including fault scenarios) Quick question: is the hardware platform already defined (MCU, sensors, actuator), or should I propose a reference design as well? Best Regards, Nichita.
$100 CAD em 15 dias
2,9
2,9

Hi there! Are you looking for specific watchdog timer configurations or fault recovery strategies to handle unexpected resets seamlessly? Regardless, this is definitely something that I feel confident delivering on, given my past experience. I would love to discuss your project further! Looking forward hearing from you. Kind Regards, Corné
$100 CAD em 14 dias
2,4
2,4

Hello Client, I’ve read your Box Capsule specification and I’m confident I can deliver a robust, deterministic embedded firmware that enforces physical phone lockdown while prioritizing safety. I have hands-on experience designing MCU firmware with formal state machines, watchdogs, fault managers, and non-volatile event logging for safety-critical devices. My plan: implement modular code (init, sensor manager, FSM controller, actuator driver, fault manager, watchdog, diagnostics, event logger), formalize and document all state transitions, provide IO mapping, build/flash scripts and test procedures. I will prioritize deterministic timing, fail-safe defaults, and offline operation. I can produce initial firmware and documentation within the proposed timeline and iterate based on your test results. Which microcontroller family and available sensors/actuator drivers will we target (pinout and memory constraints)? Best regards, Cindy Viorina
$30 CAD em 5 dias
2,1
2,1

Hello Client, I’ve read the Box Capsule firmware specification thoroughly and I’m confident I can deliver a robust, deterministic embedded firmware that prioritizes safety and predictable behavior. I have extensive experience in C on microcontrollers, designing real-time input managers, formal state machines, actuator control, watchdog integration, and safe fallback handling for safety-critical devices. My approach will be modular: clear initialization, sensor/input manager with debounced/validated signals, a documented finite state machine implementing BOOT/IDLE/READY/LOCKED/UNLOCK_READY/EMERGENCY_RELEASE/FAULT, a latch driver with hardware abstraction, a fault manager and watchdog, and a non-blocking event logger to non-volatile memory. I’ll provide state diagrams, I/O mapping, build/flash instructions and test procedures, and keep the core lock behavior fully offline and independent of future communication features. Next step: I’ll prepare an architecture overview and propose a minimal hardware interface for validation so we can iterate quickly. Which microcontroller family and available pins/peripherals (GPIO, ADC, timers, external interrupts, non-volatile storage) will you target, or should I propose a suitable MCU based on size and power constraints? Sincerely, Daniel
$200 CAD em 4 dias
2,2
2,2

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