Custom ELRS Development

@Mahihassi

As an Electrical Engineer specialized in firmware development, I have a solid grasp of microcontrollers and embedded systems - including the STM32 that you specifically require for the ELRS customization. My range of skills also encompasses RF communication and protocols, dovetailing nicely with your desire for improved range and dual-band capability. Moreover, I’ve designed numerous PCBs perfecting my expertise in RF hardware. This know-how will be invaluable in optimizing connectivity between your drone and the customized controller. In addition to my technical competences, my methodical approach to project delivery should offer you peace of mind. From concept through to market-ready product, I have a proven track record of translating clients’ needs into robust end-results within a specified timeline. I have successfully developed and deployed IoT products, fitted with intelligent connectivity similar to what is required here. To conclude, not only do I possess the right mix of skills to bring your ELRS project to life, but I am also deeply committed to embedding a strong sense of security into wireless networks.I am well-acquainted with drones and their control systems and remain fully conversant with mesh networking technology. And as an engineer who has garnered experience across the full product development workflow - from idea to prototype to final product, I am confident in my capabilities to tackle this project head-on and deliver results beyond your expectations.

@AwaisChaudhry

Hi there, I understand you want a custom ELRS solution using an STM32 MCU with longer range, tighter security, dual band, and mesh networking for drone control. I’ll design a compact, robust stack that leverages STM32 for RF handling, optimized signal processing, and secure comms practices, plus a modular mesh networking layer. The plan is to map out the hardware/firmware interface, select RF front-end candidates, implement a secure link, and build a multi-band mesh capable protocol with fail-safes. The result will be a tested firmware baseline with clear integration steps for your drone control system. What is the exact STM32 family you prefer (e.g., STM32H7 vs STM32F4) and the target RF frequency bands for dual-band operation? What range target (line-of-sight and with typical interference) do you expect in real-world drone scenarios? Which security standard do you want (AES-128/256, ECC, secure boot, OTA updates)? Will the mesh network run autonomously or under a central controller, and what topology (tria or hybrid)? What are the latency requirements for control loops and telemetry? Do you need compatibility with existing ELRS telemetry formats or a new custom protocol? Are there any power budget constraints or cooling limits for the STM32 solution? What flight controllers and sensors must interoperate with this stack, and what data rates are needed? Any regulatory or safety standards (FCC/CE) that must be satisfied?

@irsolutions

With over 10 years of experience in web and mobile development, specializing in blockchain and AI/ML solutions, I understand the importance of creating a custom ELRS solution for drone control using an STM microcontroller. Your project requirements for improved range, enhanced security, dual-band capabilities, and mesh networking align perfectly with my expertise. In the past, I have successfully delivered projects in the FinTech and blockchain domains, showcasing my ability to implement secure and efficient solutions. My experience with STM microcontrollers, RF communication, and security implementations in wireless networks will be instrumental in developing the custom ELRS solution you need. I am eager to bring my skills and knowledge to your project and ensure its success. Feel free to reach out to discuss the details further and how we can achieve your desired outcomes. Your project is in capable hands with my expertise at the helm.

@tshibsamuel477

Hi there, I carefully read your project requirements and I’m confident I can deliver a custom STM32-based ELRS solution that meets your goals for improved range, enhanced security, dual-band operation, and mesh networking capabilities. I’m Samuel Tshibangu, a mechatronics engineer with strong experience in embedded systems, RF communication, and drone-related hardware development. I have hands-on experience with STM32 microcontrollers and wireless protocol implementation, allowing me to deliver efficiently and with reliable results. I can complete this project quickly thanks to my relevant experience. Feel free to message me so we can discuss the details and milestones. Best regards, Samuel Tshibangu

@Feriver

Hello, I understand that you require a custom ExpressLRS-based solution redesigned around an STM32 microcontroller, with extended range, enhanced security, dual-band operation, and mesh networking capability for advanced drone control. My approach will begin with selecting an STM32 variant optimized for real-time RF handling and low-latency processing. I will port and refactor the ELRS stack to run efficiently on STM32, optimizing ISR timing, DMA usage, and RF driver layers for maximum link stability. For improved range, I will implement adaptive power control, optimized packet scheduling, and antenna diversity support where hardware permits. Security enhancements will include encrypted telemetry and control channels using modern lightweight cryptography, secure key exchange, and firmware signing to prevent unauthorized flashing. Dual-band functionality will be achieved through coordinated RF front-end design with intelligent band switching or parallel handling. Mesh capability will be engineered using a lightweight routing layer tailored for low-latency drone communication without compromising flight responsiveness. The result will be a scalable, secure, and high-performance control system ready for field validation and documentation. Thanks, Asif

@Specgi

With a solid foundation in aerospace engineering and software development, I offer the unique combination of skills needed to take on your custom ELRS development project. My brush-up in STM microcontrollers, including STM32, coupled with my extensive knowledge of RF communication and protocols, enable me to suggest and implement innovative solutions for drone control systems. I am familiar with dual-band functionality and mesh networking - key requirements of your project. Moreover, my work is guided by a meticulous attention to detail and a commitment to meeting stringent standards. These values would be reflected in the improved range and enhanced security measures that I employ in designing wireless networks. Additionally, my proficiency in data analytics helps enhance system functions since it aligns with your preference for deep computing. I believe my experience in computational intelligence and control engineering further complements the demands of your project whereby customization is both centralized and operationalized. Finally, familiarity with PCB layout, PLC design adds value to my solution as it extends beyond software implementation, incorporating the hardware dimension required for successful integration into drone systems. With me at the helm, you're not just getting a qualified developer, but a comprehensive approach to meeting your objectives.

@vorasiddh4it

Hi! I deliver custom embedded RF solutions for UAV control systems—migrating firmware to STM32, extending range, hardening security, and adding dual-band + mesh networking while keeping latency low and links stable. I’ve shipped production firmware for long-range telemetry and RC links used in drones and robotics. ✅ What I’ll deliver (production-ready) STM32-based ELRS port/custom stack Clean HAL/LL drivers, modular RF layer, testable firmware Range & link reliability upgrades PHY tuning, LNA/PA control, adaptive data rates, link metrics Dual-band operation 2.4GHz + sub-GHz (band-legal configs), band steering/fallback Security hardening Authenticated pairing, AES-GCM, key rotation, anti-replay Mesh networking Lightweight routing, node discovery, failover paths Docs + handover Build steps, pinout, RF calibration, compliance notes ? Techniques STM32Cube/HAL, DMA/IRQ tuning, low-latency RT loops RF link budgets, adaptive FEC/CRC, antenna matching guidance Secure boot, signed firmware, encrypted control plane Mesh protocols (flooding vs. distance-vector), congestion control ? Relevant Projects Secure Mesh Control Network for Drones I can share demo firmware/RF test results upfront. Let’s align on bands, hardware, latency targets & compliance—then lock scope, milestones, and timeline.

@novatech2210

Hello! I've been recommended by a Freelancer Recruiter. Nice to meet you. I've just completed a similar custom ELRS development project for another client who needed improved range and enhanced security for their drone control system. I'm the perfect fit for this project because I've extensive experience with STM microcontrollers, RF communication, and drone control systems, allowing me to deliver a robust and secure custom ELRS solution. With my expertise in dual-band technologies and mesh networking, I can implement improved range, enhanced security, and seamless communication between drones. I've successfully increased the range of similar ELRS systems by up to 30% in the past. Multiple 5-star reviews on RF communication projects and custom ELRS developments speak to my expertise and dedication to quality. Happy to hop on a quick call (no obligation) to discuss architecture, timeline, and a clear plan + quote. Chris | Lead Developer | Novatech

@yuliussmayoru

Hi. ELRS on a custom STM isn’t the hard part, the real challenges are RF tuning for range, keeping latency low with dual-band, and adding security/mesh without breaking timing. I’d approach it by forking ELRS, mapping it cleanly onto an STM32 (likely F4/H7 class), and building a dual-band + secure link layer that stays lightweight. Mesh can work, but it needs careful slot timing so it doesn’t kill control responsiveness. I’ve been deep in STM32, RF links, and embedded comms for years, custom boards, telemetry devices, multi-node communication, the usual fun headaches. I’m comfortable working close to the metal: HAL/LL, RTOS if needed, RF modules, encryption layers, and testing range in the real world, not just on paper. I’ll keep this practical: bring-up on STM, stable link, then extend to dual-band, security hardening, and mesh. Clean firmware, docs, and reproducible builds. If you already have target STM + RF chipset in mind, I can map the architecture fast and start with a working baseline.