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We are developing a Home Automation System consisting of: Smart Switches Dimmer Smart Plug Controller (Coordinator) The system is based on Zigbee architecture, where: Controller acts as Coordinator Switches / Dimmer / Plug act as Router devices We already have an existing codebase and basic functionality working. The requirement is to enhance and complete the firmware with OTA and Mesh networking features. Scope of Work 1. OTA (Over-The-Air Update) Implementation Enable OTA firmware upgrade for Zigbee end devices (Switch, Dimmer, Plug) Ensure: Reliable firmware transfer Resume capability (in case of interruption) Version management Integration with Coordinator (CC2652 based) Validate OTA with multiple devices 2. Zigbee Mesh Networking Implement and optimize mesh network behavior Ensure: Proper device joining (pairing flow) Stable routing between devices Multi-hop communication (minimum 3–4 hops) Handle: Network formation Rejoin scenarios Device drop & recovery Optimize range and stability 3. Group & Cluster Implementation Implement: Group control (multiple devices control) Relevant Zigbee clusters (On/Off, Level Control, etc.) Ensure synchronization between devices and controller 4. Debugging & Stability Improvements Fix issues related to: - Device not joining network - Flash/NV memory handling - Power cycle behavior Ensure stable operation across: Switch Dimmer Plug Existing Setup Chipset: CC2652 (Texas Instruments) Stack: Z-Stack / Zigbee2MQTT based Tools: UniFlash, Python-based interface Hardware: Custom PCBs already developed Deliverables Updated firmware with: OTA working Mesh stable Group control implemented Tested binaries (HEX files) Documentation: OTA process Network architecture Flashing & debugging steps Required Skills Strong experience in: Zigbee (Z-Stack / Zigbee2MQTT) CC2652 / TI ecosystem Embedded C Experience with: - OTA implementation - Mesh networking - Serial/UART debugging Understanding of: Home automation systems (preferred) Timeline - Expected completion: 3-4 Days - Immediate start preferred
ID Projek: 40322350
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10 pekerja bebas membida secara purata ₹27,500 INR untuk pekerjaan ini

With over a decade of extensive experience in industrial and process automation, I am uniquely qualified for this Zigbee Firmware Development project. I have a deep understanding of the complexities involved in system design, development, and troubleshooting, having successfully completed numerous projects in Home Automation Systems and Energy Automation using CC2652 (Texas Instruments). My familiarity with Zigbee2MQTT and Z-Stack will ensure seamless mesh implementation optimized for stable routing across your entire array of devices. One of the key features you’re looking for is the Over-The-Air update functionality which I have extensively worked on in my past projects. From resume capable firmware transfers to reliable version management, I have developed robust systems that minimize chances of interruption or failures. Furthermore, my serial/UART debugging skills would come handy when it comes to enhancing the stability and reliability parameters you need, such as handling device drop/recovery scenarios.
₹35,000 INR dalam 21 hari
4.5
4.5

Hi, I have built a full home automation system using Zigbee mesh as the primary communication protocol between devices, with MQTT handling the data transport layer to the controller and dashboard — the exact architecture your Smart Switch, Dimmer, Plug, and Coordinator system is built on. I understand the network formation, device joining, routing behaviour, and coordinator-device interaction at the firmware level, not just the application layer. On your specific scope: OTA via Z-Stack on CC2652 is a well-defined implementation path. We will enable OTA image transfer with resume capability, version checking, and multi-device validation against your CC2652-based coordinator. For mesh networking, multi-hop routing, rejoin scenarios, and device drop and recovery are areas we have dealt with directly — the edge cases around NV memory corruption after power cycles and devices failing to rejoin are standard debugging territory we know well. Group control and cluster implementation — On/Off, Level Control — are foundational Zigbee clusters, and we can ensure proper synchronisation between devices and the coordinator. I can start immediately and am comfortable working within your 3–4 day timeline, given the defined scope. Please feel free to share the existing codebase so I can assess the current state and confirm the plan. Himanshu
₹18,000 INR dalam 4 hari
3.2
3.2

Hello, This fits very well with my experience in embedded IoT systems and Zigbee-based home automation. I’ve worked extensively with Home Assistant ecosystems, integrating custom devices via Zigbee2MQTT and building reliable device firmware that works seamlessly with real-world automation setups. I understand how critical stability, pairing reliability, and OTA are in deployed home environments—not just in lab conditions. For your CC2652 + Z-Stack system, I can quickly step in and deliver: OTA Implementation Mesh Networking Clusters & Group Control I’m comfortable with TI’s ecosystem (CC2652, UniFlash, Z-Stack) and low-level debugging over UART, which helps quickly isolate issues in existing codebases. Given that your architecture is already defined, I can focus purely on execution and stabilization. I’m available to start immediately and can work aggressively toward your 3–4 day timeline. Let me know if you are okay with the bid. Let’s get this production-ready. Best regards, Rajesh Unartech Solutions
₹32,000 INR dalam 4 hari
2.2
2.2

Hi, I can enhance your CC2652 Zigbee firmware with stable OTA, mesh optimization, and group/cluster implementation. I have experience with TI Z-Stack, Zigbee2MQTT, and embedded C, including OTA pipelines and multi-hop mesh networks. Plan: • Implement OTA with resume, version control, and coordinator sync • Optimize mesh (joining, routing, rejoin, 3–4 hop stability) • Add clusters (On/Off, Level) + group control • Debug issues (join failures, NV memory, power cycles) • Validate across all devices You’ll receive tested HEX files + clear documentation (OTA, flashing, architecture). Ready to start immediately and deliver fast, stable results.
₹25,000 INR dalam 3 hari
2.0
2.0

Hi, I can enhance your Zigbee-based home automation firmware by implementing reliable OTA updates, stable mesh networking, and improving overall system stability. I have experience in embedded systems, Zigbee (Z-Stack / Zigbee2MQTT), and CC2652-based development. I will work on OTA implementation with resume and version control, optimize mesh behavior for stable multi-hop communication, and fix existing issues related to joining, memory handling, and power-cycle behavior. Scope: *OTA implementation (reliable transfer, resume, version management) *Zigbee mesh optimization (joining, routing, rejoin, recovery) *Multi-hop communication (3–4 hops) *Group and cluster implementation (On/Off, Level Control) *Debugging and stability improvements Deliverables: *Updated firmware (HEX files) *OTA fully functional *Stable mesh network *Group control implementation *Documentation (OTA flow, network, flashing, debugging) Approach: *Analyze existing codebase and identify gaps *Implement OTA with proper handling and validation *Optimize mesh routing and network stability *Fix bugs and improve reliability across all devices *Test with multiple devices for consistent performance I will deliver a stable, scalable, and production-ready Zigbee firmware solution.
₹30,000 INR dalam 7 hari
1.4
1.4

Hello there, Your project on Zigbee firmware implementation require expert like me. I am an electrical engineer experienced in firmware developement. I will provide you Zigbee firmware with OTA and mesh implementation. You will get firware with OTA working, documentation on OTA process, network architecture, flashing and debugging steps. Kindly connect and discuss details of it. Thank You
₹15,000 INR dalam 6 hari
0.0
0.0

Hi, I’m confident I can help you enhance and complete your Zigbee-based Home Automation firmware with OTA updates, mesh networking, and group/cluster functionality. With extensive experience in CC2652, Z-Stack/Zigbee2MQTT, and embedded C, I’ll ensure your system is stable, reliable, and fully functional across switches, dimmers, and plugs. I will start by implementing OTA firmware updates for all end devices, ensuring reliable transfers, resume capability, and version management integrated with your CC2652 coordinator. Next, I will optimize Zigbee mesh networking: stable device joining, multi-hop communication (3–4 hops minimum), handling rejoin scenarios, and improving range and stability. Then, I will implement group control and relevant Zigbee clusters (On/Off, Level Control) with full synchronization between devices and the coordinator. Finally, I will debug and improve stability, addressing device join issues, flash/NV memory handling, and power-cycle behavior, delivering tested HEX binaries and comprehensive documentation covering OTA, network architecture, and flashing steps. I take pride in delivering robust, high-performance embedded systems for home automation. Every feature—from OTA to mesh stability—will be implemented and verified for reliability and smooth operation. Let’s start immediately so the firmware updates can be completed within your 3–4 day window.
₹25,000 INR dalam 3 hari
0.0
0.0

I have been working as an firmware engineer for past 2nd half years. I'm very much familiar with uniflash software. I have worked with communication protocols like UART, spi, I2C and can. I think I can do the needful. Looking forward to discuss about the project.
₹40,000 INR dalam 7 hari
0.0
0.0

Mysore, India
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