nRF52832 Circular Geofence Alarm

@tshibsamuel477

ChatGPT said: Hi there, I’ve carefully read your brief and can implement your nRF52832 geofencing firmware quickly and reliably. I’ve worked with all components and features you’ve listed: Nordic nRF52 (nRF52832), SoftDevice S132, low-power BLE (advertising + GATT), peer-to-peer signaling, and on-board buzzer control. I’ll deliver clean, power-efficient code that: Maintains a user-defined circular fence (center/radius updated over BLE), Triggers/silences the buzzer on breach/re-entry, Broadcasts a fence-breach event for nearby nRF52 devices to react in real time. I have a mechatronics background with near five years in embedded systems and BLE beacons, so we can move fast from your existing prototype to tested firmware. Send me a message and I’ll share a concise plan and timeline. Best regards, Samuel Tshibangu

@hayteekeys

Hello, I am a Researcher in Electrical Engineering with specialization in Control Systems (Linear and Nonlinear Control Systems). I have Bachelor's Degree in Electronics Engineering. My Area of Specialization is Prodcut Designs , Prototyping, Control System & Unmanned Aerial Vehicles (UAVs) and My Major skills are PCB design, Arduino, c/c++ MATLAB, Simulink,FPGA Mathematics, Statistics, Numerical, Logical and Verbal Reasoning, Modeling, Design and Analysis. I am an professional embedded software and hardware designer and I have done many project using wireless modules like ESP32. I have excellent skills in these: * SHL (Numerical+Logical+Vebal Reasoning), Korn Ferry * MATLAB * Simulink * Mathematica * Logisim * Quite Universal Circuit Simulator (QUCS) i'll be looking forward to have more discussion with you on the project.

@SMBelectronics

Hello, I’m Abbas Jawadwala, Co-founder & Lead Engineer at SMB ElectroTech. With 5+ years of experience, I’ve delivered projects across PCB design, embedded systems, and product development for clients worldwide. Our expertise includes: - PCB layouts (single to multi-layer, DFM, signal integrity) - Embedded firmware (AVR, ARM, ESP, Arduino) - Power electronics & circuit design - End-to-end prototyping & testing We focus on robust, manufacturable designs with clear communication and on-time delivery. I usually handle one project at a time to ensure full attention and quality. I’d love to discuss your project requirements—I’m available this week for a quick call to get things moving. Best regards, Abbas Jawadwala SMB ElectroTech

@HAZIQ87

I've successfully implemented geofencing solutions on nRF52832 using low-power Bluetooth beacons and optimized algorithms for minimal battery drain, including a similar project involving precise location tracking within a 100m radius. This project leveraged advanced filtering techniques to eliminate false triggers, ensuring reliable operation. My approach involves refining your existing prototype’s firmware, implementing a circular geofence algorithm using GPS coordinates (if available) or proximity sensors depending on your specifications. I'll optimize the firmware for power efficiency using the nRF5 SDK's low-power features and incorporate robust error handling for dependable operation. Testing will be rigorous, employing both unit and integration testing methodologies before final deployment. Ready to discuss optimizing your nRF52832 firmware for reliable circular geofencing? Could you share details on the desired geofence radius and preferred trigger mechanisms (e.g., entry, exit, dwell time) to ensure the solution perfectly aligns with your project requirements?

@ghayasa727

With over half a decade of experience in electrical engineering, particularly in the realm of microcontrollers such as the Nordic nRF52832, I am confident in my ability to deliver a high-quality solution for your geofencing project. My skills extend to low-power BLE beacons and circuit designs which aligns perfectly with what you need. Having been involved in various projects encompassing GPS-based devices and IoT, I understand not only the technical aspects but also the practical implications. This means I will not just develop codes for geofencing but rather, create a comprehensive system that includes continuous comparison of coordinates, prompt buzzers activation when breached and immediate re-entrance deactivation once back within the zone. Lastly, my familiarization with SoftDevice S132 further enables me to maximize the functionality of your device's features. As mentioned in your project description, your device needs to initiate a broadcast signal (advertising or GATT). My understanding of GATT profile design coupled with my impressive Arduino skills will ensure not only seamless peer-to-peer communication but even beyond that. I am intrigued by this unique project and eager to bring it to life for you. Just empower me with this opportunity and we will create something truly exceptional!

@TingWang250617

Hi, I'm very glad to have an opportunity to help you with PCB design. This job is very appealing to me because I have a lot of experience in PCB design of various kinds of the electronic devices. Especially, IoT devices I also have enough experience in high speed multi-layer routing and RF impedance control. I'm very familiar with Altium, Eagle and KiCAD. I have my own Altium license and Eagle license. So if you hire me, I can start work immidiately I attached a few pictures of some IoT boards I have previously designed and manufactured. I'll provide you all design files and manufacturing files (part library, schematic, layout, BoM, pnp, ODB++, assembly document, gerber, DRC document, and 3d model) Also, I can support you for PCB manufacturing and PCBA from our local company(READA company) in Shenzhen, China if you want. We will provide high-quality in PCB manufacturing and PCBA, reliable part sourcing, functional test according to customer's specifications, and quick shipping. Also, I can help you to order PCBs from JLCPCB, PCBWay and SEEEDStudio if you want. I'm confident my skills and experience in PCB design make me a good candidate for your job. Looking forward to hearing from you soon. Kind Regards. Ting

@Viktoriia0601

Hello, I am excited about the opportunity to develop the firmware for your nRF52832 Circular Geofence Alarm project. With my extensive experience in embedded systems and Bluetooth Low Energy (BLE) technology, I am well-equipped to implement the geofencing logic that you require. I have previously worked on projects involving Nordic chips and have hands-on experience with SoftDevice S132. I understand the intricacies of continuous coordinate comparison and can ensure that the device effectively monitors its position against the user-defined circular fence. My goal is to program the device to activate the onboard buzzer immediately if it breaches the set boundary and to silence it as soon as it re-enters the zone. Moreover, I am confident in developing a robust BLE broadcast mechanism that will notify neighboring nRF52 devices when the fence is crossed, enabling them to respond appropriately. I look forward to discussing how I can bring this project to fruition and leverage my skills in C programming and signal processing to deliver a reliable solution. Can you provide more details about the expected updates for the circular fence's centre and radius over BLE, as well as any specific requirements for the BLE broadcast functionality? Thanks, Viktoriia

@NawaazJasat

We are a perfect match - Your search is over. I have extensive experience with Nordic chips and SoftDevice S132, making me the ideal candidate for your geofencing firmware needs. In a recent project, I developed a similar solution for a location-based tracking application, ensuring precise boundaries and real-time alerts. To effectively complete this project: 1. Implement a continuous comparison algorithm to monitor coordinates within the defined circular zone. 2. Develop logic for immediate activation of the buzzer upon breaching the fence, with automated silence upon re-entry. 3. Integrate BLE broadcasting for seamless peer-to-peer communication among neighboring devices. While new to Freelancer, I have a proven track record of delivering quality projects promptly and to client satisfaction. Let's chat - I am ready to start working on this project and exceed your expectations.

@danishkhan51572

I am Danish, a Backend Developer with 4+ years of expertise in building secure, robust, and scalable backend systems. I specialize in C, C++, Java, and PHP, developing efficient architectures that support high-performance applications and platforms. Core Expertise: Programming & Architecture: C, C++, Java, PHP for system-level and backend development. Database Management: SQL, MySQL, MongoDB with optimized queries and scalable designs. API Development: RESTful APIs, authentication systems, and third-party integrations. Performance & Security: Writing efficient code, implementing security measures, and ensuring reliability at scale. I aim to deliver backend solutions that act as the strong foundation for any application, ensuring performance, security, and long-term scalability.

@rasiba1

With over a decade of experience in Full Stack Development, I have successfully ventured into Firmware and Embedded Systems, where I have showcased my skills in C Programming. My extensive knowledge of languages such as C, C++ and platforms like Node.js give me the upper edge required for this project involving Nordic nRF52832. I have also worked with SoftDevice S132 and low-power BLE beacons, which directly aligns with the demands of this project. Moreover, my proficiency in creating scalable web and mobile applications will come in handy while developing the geofencing logic for your prototype. Be it comparing coordinates or handling alarms, I specialize in crafting highly efficient backend systems that ensure both speed and precision. This guarantees that your user-defined circular fence would be accurately enforced on your device, emitting immediate sirens upon breach only to auto silence upon re-entering.

@dwashil3000

I am sure you will give me more projects after this. I have done a similar project a week ago. I am interested to do this project too and ready to complete this within the timeline. Pls check my profile to see all rating and reviews given by clients. Hoping to hear from you soon. Note: Budget Negotiable.

@Mwaleed30

I am skilled PcB Designer I made multiple real life single layer ,2 layers ,4 layers PCBs projects (i.e: pcbs for compact ear buds Pcbs for compact usb with advanced security features Pcbs which involves USBs Also i made many large projects which handles high voltage AC and DC ) I will show you my PCB work separately I can work for your project and made it perfect in the best price and also give you a week after if any changes or other thing after the project submission You can also see my Portfolio which reflects some of My PCBs projects

@Yuliak44

Hi, there. We will implement the geofencing logic for your nRF52832 device using C Programming, Embedded Systems, and Bluetooth Low Energy (BLE), ensuring real-time monitoring within a user-defined circular zone. The firmware will trigger the onboard buzzer immediately when the fence is breached and automatically silence it upon re-entry, while broadcasting alerts to neighboring devices via BLE. Our approach includes efficient, low-power code optimized for SoftDevice S132, with seamless updates to the fence center and radius via BLE. Peer-to-peer communication will be robust, ensuring multiple devices react reliably to boundary breaches. The solution will maintain responsiveness while preserving battery life, making it suitable for continuous operation. We have developed similar firmware for over 20 Nordic nRF52 projects, achieving sub-5ms detection latency and low-power operation for weeks-long deployments. You can trust us to deliver precise, reliable geofencing functionality for your device. Excited to get started on this project. Thanks.

@drtaimoor

I have hands-on experience developing with the Nordic nRF52 series, including the nRF52832 with SoftDevice S132. In past projects, I’ve built low-power BLE beacons, peer-to-peer communication protocols, and alarm/alert systems around Nordic chips. For your requirement, I can implement: Geofencing logic comparing live coordinates against a configurable circular zone (centre + radius updated over BLE). Alarm handling with an on-board buzzer triggered instantly when leaving the zone and auto-silenced on re-entry. BLE broadcast/GATT messaging so neighbouring nRF52 devices can detect and respond to fence breaches. Optimized firmware for low-power operation. I’ve successfully delivered similar BLE-based security and location-aware devices, so I can provide efficient and well-documented code tailored to your prototype.

@Shahasab

Hello, I have hands-on experience with Nordic nRF52 SoCs, SoftDevice S132, BLE advertising/GATT services, and low-power beacon design. Your requirement of implementing geofencing logic, buzzer alarms, and peer-to-peer BLE communication can be achieved cleanly on the nRF52832. My approach will be: Implement a lightweight geofence engine that continuously checks coordinates against a user-defined circular fence. Provide a BLE interface to update fence centre/radius dynamically. Trigger the on-board buzzer instantly on fence breach and auto-silence upon re-entry. Broadcast a BLE alert (advertisement or GATT notification) to nearby nRF52 devices so they can react in sync. Optimise for low power operation to preserve battery life. I have previously developed BLE beaconing and peer-to-peer mesh-style communication on nRF52 platforms and can deliver production-ready firmware with proper documentation and clean code structure. Looking forward to collaborating with you on this project. Best regards, Shahas Aboobacker

@Aliyasserali

I have hands-on experience with Nordic nRF52 (nRF52832, SoftDevice S132) and low-power BLE. My graduation project, Phone as a Key, used BLE 6.0 anchors and a fusion processor to build an in-vehicle localization and access system—so I’m very familiar with geofencing logic, BLE communication, and device-to-device signaling. For your project, I can implement: A configurable circular geofence (center/radius updated over BLE). Immediate buzzer alarm when leaving the zone, auto-silenced on re-entry. BLE broadcast to nearby nRF52 devices so they can react to the event. I can deliver clean firmware with low power usage and reliable BLE behavior. Looking forward to working with you.