Indoor Nordic BLE Motion Sensor

@majeed219

As an experienced embedded systems engineer, I bring a range of robust skills to address the requirements of your Indoor Nordic BLE Motion Sensor project. My depth of expertise with Nordic nRF52 and Bluetooth Low Energy pairs well with the design of your smart beverage dispenser. I'm adept at microcontroller programming, particularly with the nRF52810 that you have in place. I'm also comfortable I will inspect your current architecture thoroughly and develop or tailor the firmware for nRF52810 accordingly. From reading the reed switch state to awakening from low-power mode when it's triggered, the BLE push event sent will always have a unique ID specific to each beverage dispenser. I'll ensure swift return to low-consumption operation too, vital given its battery dependence. Not only will I handle the development side, but also offer clear documentation and a basic computer test for full transparency and ease of replication. My experience extends further to your requested deliverables such as concise development environment details and battery recommendations to facilitate scaling as required. My portfolio includes similar projects guaranteeing attention to detail and a dedication to user satisfaction, making me the ideal choice for your project

@Srashtasoft

I can develop a lightweight, low-power BLE prototype using nRF52810 + nRF52840 PCA10059 where each reed switch activation instantly sends a BLE event with unique pourer ID to the PC hub reliably and without manual pairing. I have hands-on experience with Nordic nRF52 series, BLE advertising, low-power embedded firmware, GPIO wake-up, and Nordic SDK/Zephyr development. For your prototype, I recommend BLE non-connectable advertising for simplicity, low consumption, and reliable multi-device scaling in bar environments. I can deliver: • Firmware for nRF52810 transmitter • PCA10059 receiver/hub setup • PC logging script with timestamps • .hex files + documented source code • Wiring diagram + battery optimization recommendations • Complete flashing/build instructions I can achieve the first functional milestone quickly: 10/10 reed switch activations logged successfully with correct ID and timestamp on PC. Available to work directly as an independent freelancer for long-term support and future scaling.

@mahmoudralizadeh

Hola, Tu proyecto encaja muy bien con mi experiencia. Trabajo desde 2019 como freelancer en sistemas embedded e IoT, principalmente con firmware en C, BLE y dispositivos de bajo consumo. Tengo experiencia práctica con la familia Nordic nRF52, incluyendo configuración BLE advertising, wake-up por GPIO, optimización de consumo y comunicación con dongles/receptores USB. Para este prototipo recomendaría usar BLE advertising no conectable para minimizar consumo, evitar pairing y simplificar el manejo de múltiples vertedores. El nRF52840 PCA10059 puede funcionar perfectamente como scanner/hub conectado a la PC enviando los eventos por USB serial a un script simple en Python para registro y validación. Puedo ayudarte con: - Firmware para nRF52810 - Configuración del PCA10059 como receptor BLE - Script de logging en PC - Archivos .hex listos para flashear - Documentación y pasos de compilación/flasheo - Recomendaciones de consumo y batería Normalmente trabajo de forma directa como freelancer, no agencia. Estimación inicial: - Primer hito funcional: 4 a 6 días - Prueba completa documentada: aproximadamente 1 a 2 semanas dependiendo del hardware disponible y pruebas Si quieres, también puedo proponerte una arquitectura simple y escalable para manejar varios vertedores en la misma instalación sin complicar el consumo ni la confiabilidad. Quedo atento.

@hayteekeys

HI, KINDLY READ THROUGH MY PROPOSAL Te entregaré un prototipo funcional completo y bien documentado del vertedor inteligente: firmware optimizado para nRF52810 (bajo consumo + BLE advertising), configuración del dongle nRF52840 PCA10059 como receptor, script de recepción en PC y toda la documentación necesaria para que el sistema registre cada servido de forma confiable. MY APPROACH ✅ Phase 1: Revisión de arquitectura y diseño del firmware (wake-up por reed switch, BLE advertising con ID único y bajo consumo). ✅ Phase 2: Desarrollo y optimización del código para nRF52810 + configuración del dongle PCA10059. ✅ Phase 3: Pruebas funcionales, script de logging en PC y documentación completa. RELEVANT PROJECTS • Sistema BLE de conteo de dispensadores y vertedores con nRF52810 + PCA10059 (advertising no conectable, detección por reed switch, logging en PC). DELIVERABLES • Firmware fuente comentado para nRF52810 • Configuración y firmware para dongle nRF52840 PCA10059 • Archivos .hex listos para flashear • Script Python / herramienta de recepción y logging • README completo con pasos de compilación, flasheo y pruebas • Diagrama de conexiones y resumen de consumo QUESTIONS 1. Prefieres usar nRF5 SDK + SEGGER Embedded Studio o nRF Connect SDK (Zephyr)? 2. Tienes ya el hardware físico (nRF52810 + reed switch + dongle)? 3. Necesitas soporte para múltiples vertedores simultáneos desde el primer hito? Ready to start immediately.

@toriquldev123

Hello There! Hope you are doing fine. I am an embedded engineer with hands‑on experience in Nordic nRF52 series (nRF52810, nRF52840) and BLE development. I have built low‑power prototypes using reed switches, GPIO wake‑up, and BLE advertising for event transmission. For your smart pour spout, I will: - Write firmware for nRF52810 to detect reed switch activation, wake from sleep, and broadcast a unique ID via BLE advertising (no pairing needed). - Configure the nRF52840 PCA10059 dongle as a BLE scanner/hub that forwards received events to a PC over USB serial. - Provide a Python script to log ID, timestamp, and validate 10/10 activations. - Document toolchain (nRF5 SDK + SEGGER Embedded Studio), flashing steps, wiring diagram, and power consumption estimates. - Ensure low current draw for coin‑cell operation and robustness in noisy BLE environments. I deliver commented source code, .hex files, full README, and scalable recommendations for up to 5 units. I work as an individual freelancer, not an agency. Please start a chat to discuss your hardware setup and timeline. Best regards, Md Toriqul Islam

@JhonZumaeta

Hola estimado, Soy ingeniero electrónico con más de 12 años de experiencia en sistemas embebidos (hardware y firmware). He trabajado con varias familias de chips de Nordic Semiconductor. Así que entiendo su ecosistema, las herramientas para depurar y optimizar tu prototipo. No quiero llenar mi comentario con demasiadas cosas técnicas generadas por IA. Así que te invito a revisar mi portafolio y escribirme para profundizar en la revisión de tu arquitectura actual. Saludos cordiales, Jhon Zumaeta

@hussainmuzammal4

As an accomplished IT Freelancer and self-professed expert in IoT prototyping, I assure you that my skills and experiences align perfectly with your needs. As the possessor of a deep-rooted understanding of Nordic Semiconductor nRF52 and Bluetooth Low Energy, I am fully capable of handling the core requirement of your project, which is to build an Indoor Nordic BLE Motion Sensor for your intelligent drink dispenser prototype. Throughout my career, I have consistently delivered results by leveraging my dynamic skills in Arduino, C Programming, Circuit Design, Electronics, Embedded Systems and Microcontrollers to build energy-efficient solutions with a touch of simplicity, precisely fitting your preferences. My proficiency extends clearly to your configuration requirements; I'm versed in nRF5 SDK and SEGGER Embedded Studio, as well as nRF Connect SDK/Zephyr which enables me to adapt to the required toolchain for this specific development. Having implemented a few BLE-based applications before, I can ensure reliable and efficient communication among multiple devices without the need for manual pairing —perfect for use in the bustling environment of a bar or restaurant.

@electronicsdone

Best Nordic nRF52 BLE Embedded Systems Expert! ⭐⭐⭐⭐⭐ Dear Client, The biggest risk in this project is not sending BLE events—it’s building a low-power sensor node that works in the lab but becomes unreliable in real indoor environments with Wi-Fi congestion, missed triggers, unstable wake-up behavior, or excessive battery drain. That is where Nordic BLE and embedded systems judgment matters. I would approach this by: 1. reviewing the complete nRF52810 + reed switch architecture to optimize GPIO wake-up behavior, BLE reliability, and battery life 2. implementing an ultra-low-power event-driven design where the nRF52810 sleeps and wakes instantly on reed-switch activation 3. configuring BLE advertising with unique power IDs to avoid pairing complexity while maintaining fast event delivery This keeps the first prototype focused on dependable low-power BLE communication instead of unstable event detection or battery-related redesigns later. Two quick questions: 1. Approximately how many pourers will operate simultaneously in the same area? 2. Should the first version prioritize ultra-low power or maximum BLE responsiveness? If you message me, I can outline a scalable BLE architecture optimized for low power, fast wake-up response, and reliable multi-device event reception from the first milestone. Best regards, Prat PCB Must Innovations

@engrhasan01

Hi, are you looking for an embedded engineer to build and validate a low-power Nordic BLE prototype for your smart pourer system? I’m an Electrical and PCB design Engineer with 5+ years of experience in embedded systems, PCB design, and IoT development, with hands-on work in Nordic nRF52810, Nordic nRF52840 PCA10059, BLE advertising, battery-powered devices, and low-power firmware in C. For this project, I recommend using nRF5 SDK with SEGGER Embedded Studio because it provides stable support for nRF52 and allows fast prototyping with reliable debugging. I can review your architecture, optimize reed switch wake-up via GPIO interrupt, implement non-connectable BLE advertising with unique pourer ID, configure the PCA10059 as a BLE receiver/hub, and develop a simple Python logger for PC to record ID and timestamp for each pour event. Deliverables include firmware for both devices, .hex files, commented source code, connection diagram, README, flash/build guide, battery consumption recommendations, and scaling strategy for 1–5 units. I’ve developed BLE sensor nodes, event-triggered wireless systems, and low-power IoT products for field use.

@abdurRafiqM

HI, I am an experienced electronics and PCB Design engineer, specialised in use of ECAD software such as Altium Designer, KICAD, EasyEDA, etc. for the the design of electronics and PCB. I will design your projects to meet your Requirements and the industry standard. I do all kinds of circuits such as Power delivery circuit, Sensor Integrated Circuits, wireless control, MCUs etc. I will deliver the following. The Schematics for your Design The PCB for the design Bill of materials(If needed) Gerber, Pick and Place and other manufacturing and assembly drawings needed. Full Support and consultancy till the project is done. Kindly send me message for my previous designs and also so we can discuss further on your project I look Forward to working with you. Best Regards, Abdur-Rafiq

@cesur135

I'm Dervis, and I believe I'm the right candidate for your project. With profound skills in C Programming, Circuit Design, Electronics, Embedded Systems, and Software Development, I have extensively worked on various industrial projects, including those involving IoT devices and motion sensors. My experience with Siemens TIA Portal program, Simatic Manager Program, and some of the tools you mentioned such as E plan P8 V2.6 program gives me a solid understanding of complex system architectures along with their effective utilization. Having implemented control systems for Wastewater Treatment Plants and Water Treatment Plants using PLCs from Siemens and ABB, I possess an advanced understanding of nRF52 Nordic Semiconductor as mentioned in your project description. Working in diverse automation scenarios has also given me significant exposure to power consumption optimization which is a key requirement for your prototype. Precisely, I have successfully completed projects involving BLE communications and reed switches-based detection systems before. My knowledge of ABB AC500 PLC many factory applications with different scenarios and AB PLC -RS Logix 5000 would prove beneficial not just when working with your nRF52810 microcontroller but also in configuring the dongle nRF52840 PCA10059. My

@jagratip3

Hi there, I can help you build a reliable low-power BLE prototype using Nordic nRF52 devices, focused on simplicity, robustness, and fast proof-of-function. My approach would use the nRF52810 as a wake-on-GPIO ultra-low-power device triggered by the reed switch. On activation, it would send a short BLE advertising packet (non-connectable) containing a unique vertedor ID + event counter, then immediately return to deep sleep to maximize battery life (coin cell friendly). The nRF52840 PCA10059 dongle would act as a BLE scanner/central, receiving these advertising events and forwarding them over USB serial (CDC) to a PC. A lightweight Python script would log each event with timestamp + device ID to validate the system in real time. I recommend nRF5 SDK + SEGGER Embedded Studio for this project due to its stability, low overhead, and strong support for nRF52810 low-power advertising use cases. Communication is best handled via BLE advertising packets (manufacturer data), avoiding pairing and improving reliability in noisy environments like bars or restaurants. Estimated cost can be defined per milestone (prototype + optimization phases). I can confirm I work directly as an independent freelancer (no agency). Clarification point: do you prefer fixed pre-programmed IDs per device, or a configurable provisioning method during flashing/setup? Thanks!

@engruhulajom

Dear Client, I’m an embedded engineer with 10+ years of experience and B.Sc. CSE from BUET, specializing in Nordic nRF52 and BLE low-power systems. Past nRF52/BLE projects: Built BLE beacon sensors, button-triggered advertising devices, and a multi-node occupancy system using nRF52810 and nRF52840. Chips used: nRF52810, nRF52832, nRF52840. Recommended environment: nRF5 SDK + SEGGER Embedded Studio – lighter for nRF52810, proven low-power GPIO wake, and simpler than Zephyr for this MVP. Communication approach: nRF52810 as non-connectable advertiser (ID in manufacturer data). PCA10059 as BLE scanner + USB serial bridge. No pairing needed. I work directly as a freelancer, not via an agency. Looking forward to hearing from you. Best regards, Md Ruhul Ajom

@jayantm76

Hola, espero que estés bien. Soy muy buen fit para este prototipo porque trabajo con C embebido, Nordic nRF52, BLE advertising, wake up por GPIO, bajo consumo y herramientas de flasheo y depuración Nordic. Experiencia y chips: He trabajado con firmware BLE sobre nRF52 y puedo compartir detalles en chat, y he usado nRF52810, nRF52832, nRF52840 y dongles Nordic en pruebas y prototipos. Entorno y comunicación: Recomiendo nRF5 SDK con SEGGER Embedded Studio para este hito por velocidad y madurez en nRF52810, y resolvería el enlace con BLE advertising no conectable hacia el PCA10059 para simplicidad, bajo consumo y soporte de varios vertedores. Costo: 1200, plazo: 6 días Hablemos por chat para conversar sobre el proyecto. Saludos, Jayant.

@pedrowilberthr2

Estimado equipo: Soy un ingeniero embedded con experiencia práctica en Nordic nRF52 y BLE, listo para convertir su prototipo de bajo consumo en una solución funcional, documentada y replicable. Alineado con sus requisitos, propongo una revisión detallada de la arquitectura actual (nRF52810, reed SPST, imán, fuente CR1225, PCA10059) y desarrollo de firmware optimizado para consumo mínimo y manejo de eventos por GPIO. El objetivo es emitir un BLE advertising tipo evento con un ID único del vertedor en cada activación del reed, despertar desde sleep al detectar el cambio, y regresar rápidamente a bajo consumo. Plan de trabajo: 1) evaluar arquitectura y decisiones de componentes; 2) firmware nRF52810: lectura del reed, wake-up, envío de evento BLE con ID único, low-power; 3) configurar PCA10059 como hub receptora y puente USB/serial a PC; 4) prueba básica en PC (Python/CLI) para registrar ID y timestamp; 5) documentación exhaustiva: SDK/toolchain, pasos de compilación/flash, diagramas, código fuente, hex compilado y recomendaciones de consumo. Entregables: firmware compilable para nRF52810, configuración del PCA10059, archivos .hex, código fuente comentado, README, diagrama de conexiones, script de PC, prueba documentada, resumen de consumo y escalabilidad (1 a 5 vertedores). Gracias por la oportunidad. Saludos,

@Ryan15222

With my diverse skill set and experience, I am confident that I can deliver a successful solution for your Indoor Nordic BLE Motion Sensor project. Having worked on numerous IoT and Bluetooth Low Energy projects before, I am well-versed in the Nordic Semiconductor nRF52 platform—a perfect match for your system requirements. My expertise lies in not just one area but integrating mechanical design, electronics, and software development into a unified, reliable solution—exactly what your project needs. I understand your project's focus: low power consumption, simplicity, and reliability for indoor use. And based on this understanding, I will prioritize the use of nRF52810 and nRF52840 - the effective tools to achieve these goals. Further, I will leverage upon either npF5 SDK + SEGGER Embedded Studio or nRF Connect SDK/Zephyr to provide you with justifiable firmware solutions. Moreover, my ability to prototype designs, not just theoretically but also physically is an asset. This means you won't just get theoretically functional firmware from me but tangible results that have been tested and proven in realistic setups. I assure you that I commit to delivering the project to you— leaving no possibilities unexplored to ensure you receive a completely documented and replicable solution.

@ashiiik5

Hola, tengo experiencia en firmware embedded con Nordic nRF52, BLE low power, wake-up por GPIO y desarrollo de prototipos IoT con comunicación BLE advertising y hubs receptores. Puedo ayudarte a desarrollar el firmware para nRF52810, configurar el dongle nRF52840 PCA10059, optimizar el consumo energético y entregar una solución funcional, documentada y lista para pruebas reales. He trabajado con nRF5 SDK, SEGGER Embedded Studio y herramientas Nordic para flashing/debugging, además de integración BLE con scripts en Python para recepción y logging de eventos en PC. Best regards, Ayesha Khan

@abdf2010

Hey, I noticed your project, Indoor Nordic BLE Motion Sensor and believe I can help. My work in C Programming has prepared me well for this kind of project. Looking forward to hearing your thoughts.

@rishi9343

I can help you complete this quickly and cleanly, focusing on Nordic nRF52, specifically nRF52810 and nRF52840, to develop a low-consumption IoT prototype with a reed switch, using BLE advertising mode to minimize consumption, I will set up the data model, API layer, and UI, then test edge cases, delivering a functional, documented, and replicable prototype, with a clear README, and a working solution, happy to discuss further over DM.