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I need a concise firmware pair that lets one ESP32 talk to an ESP32-C5 through Firebase. The goal is straightforward: push a small JSON payload from the first board, have it appear on Firebase almost instantly, then pull it down on the second board so it can react (toggle a pin, echo the data, or similar). I will flash both boards myself, so your work ends at well-commented source code and a quick setup guide. You can build in Arduino IDE or ESP-IDF—whichever you feel gives the cleanest Firebase implementation. Wi-Fi credentials, Firebase project keys, and any sensor stubs can be hard-coded placeholders; I’ll replace them during testing. Deliverables • Two compilable sketches (or IDF projects) — one for ESP32, one for ESP32-C5 • Minimal Firebase rules/config needed for the link • Read-me with step-by-step flashing and test instructions If you have a proven Firebase Realtime Database routine for ESP boards, this should be a short engagement.
Project ID: 40232617
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Active 2 mos ago
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Hello, I can do this task quickly with my prior IoT development experience. Let's connect to discuss. Thank you.
$20 USD in 7 days
6.4
6.4
18 freelancers are bidding on average $59 USD for this job

Hi there, I’ve reviewed your Firebase bridge concept for ESP32 and ESP32-C5. I’ll deliver two clean, compilable sketches ready for Arduino IDE or ESP-IDF, with a minimal Firebase RTDB setup and thorough in-code comments to guide testing. The approach is to implement a lightweight, asynchronous data path: push a JSON payload from ESP32 to Firebase and pull updates on the ESP32-C5 to trigger a local action. I’ll hard-code placeholder Wi‑Fi and Firebase keys for you to swap during testing, keeping the code minimal and robust. What specific Firebase Realtime Database path structure and authentication method do you prefer for the two-device bridge (e.g., RTDB rules, service account vs. API key), and should I include a simple retry strategy for network hiccups? Best regards, Marko Aleksic
$20 USD in 5 days
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: 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.
$20 USD in 7 days
5.6
5.6

Hi there, I’m excited to assist with your Firebase Bridge project between the ESP32 and ESP32-C5. With proven experience in embedded systems and Firebase, I can provide you with clear, well-commented source code that allows seamless communication via JSON payloads, ensuring swift data transfer. I will develop two compilable sketches, one for each board, along with minimal Firebase configuration rules. My previous work with similar projects has equipped me to deliver quality results efficiently. I will also include a step-by-step README guide for flashing and testing the devices accurately. The timeline for completion will be concise, allowing you to implement and test the firmware quickly. Thanks,
$30 USD in 2 days
4.9
4.9

Hello! I understand that you're looking for a firmware solution that allows seamless communication between an ESP32 and an ESP32-C5 through Firebase. My aim is to deliver a concise, well-commented source code and a straightforward setup guide. You'll receive two compilable sketches, one for each board, along with the minimal Firebase configuration needed for smooth operation. I have extensive experience with Firebase in ESP boards, ensuring that the JSON payload will be sent and received almost instantaneously. This will enable you to easily implement functionalities like toggling a pin or echoing data. Regards, Davide
$25 USD in 1 day
5.0
5.0

I can deliver a clean ESP32 ↔ Firebase ↔ ESP32-C5 bridge with near-instant JSON sync using Firebase Realtime Database. I’ll keep it minimal, reliable, and well-commented. Plan: • ESP32 “publisher” pushes a small JSON payload to a fixed RTDB path (and updates a timestamp/version). • ESP32-C5 “subscriber” polls or streams that path and reacts (toggle GPIO + print/echo). • Simple Firebase rules for the test path, plus a clear README for flashing and validation. I’ll build it in Arduino IDE (fastest/cleanest for Firebase RTDB with ESP boards), using placeholders for Wi-Fi + Firebase host/API key so you can swap your credentials quickly. To confirm compatibility: do you want Realtime Database (recommended for this) or Firestore? Also, is your ESP32-C5 already running Arduino core support in your toolchain? Best regards, Waqas
$20 USD in 7 days
5.1
5.1

Hi, I am an expert full stack developer with skills including Mobile App Development, Software Development, C Programming, JSON, Embedded Systems, Arduino, Bluetooth Low Energy (BLE) and JavaScript. After reviewing the project requirements, I found the project perfectly match my experience and skills. Having previously worked on similar projects, I'm confident I can complete this project perfectly. To move forward, Please contact me to discuss more about this project. If you have any questions, please let us know
$10 USD in 3 days
3.7
3.7

Hello! I understand that you're looking for a concise firmware solution to enable communication between an ESP32 and an ESP32-C5 via Firebase. It's exciting to see a project focused on such a straightforward yet impactful goal. I have extensive experience in developing firmware for ESP32 devices, having successfully delivered similar projects that involved real-time data communication through Firebase. My previous clients have consistently reported high satisfaction due to my clean coding practices and comprehensive documentation. ✅My Plan: - Develop two compilable sketches, one for the ESP32 and one for the ESP32-C5, ensuring they communicate effectively through Firebase. - Implement minimal Firebase rules and configurations necessary for the connection. - Prepare a detailed read-me guide with step-by-step instructions for flashing the firmware and testing. Best regards, Hongqiang Chen
$100 USD in 1 day
3.7
3.7

Hello Thanks for the clear requirements — this is a straightforward ESP ↔ Firebase bridge implementation. Before I begin, I’d like to confirm a few details: Will this use Firebase Realtime Database (recommended for low-latency streaming)? What authentication method should be used (email/password, anonymous, or database secret)? What is the expected max JSON payload size? Should the second board react only on data change events? Do you prefer Arduino IDE or ESP-IDF for ESP32-C5? Should I include automatic WiFi/Firebase reconnection handling? ⏱ Estimated Timeline Task Time Firebase setup + test 30–45 min ESP32 push firmware 45 min ESP32-C5 listener firmware 1–1.5 hr Testing & cleanup 1 hr README writing 30 min Total estimated time: ~4–5 hours If everything is standard Realtime Database with Arduino support, delivery can be completed within the same day. Let me know the above details and I can start immediately.
$60 USD in 7 days
3.4
3.4

Hello, I hope you are doing well. -> Previous Work: I’ve delivered robust ESP32-based projects with Firebase integration, real-time data syncing, and tight power/perf budgets for startups and enterprises. I’ve helped teams implement secure, scalable backends with clean, production-ready code and thorough inline documentation. -> Development Plan: 1) Dual sketches (ESP32 and ESP32-C5) using Arduino IDE for rapid iteration, with clean Firebase RTDB hooks and per-board role logic. 2) Lightweight JSON payloads and near-instant data pushes/pulls with resilient reconnects and robust error handling. 3) Firebase rules to restrict access to test nodes, plus a minimal setup guide for swapping credentials. 4) Thorough comments and a brief test routine to demonstrate push then pull. -> Schedule: - Day 1: Skeleton code, Firebase connection, and basic read/write tests. - Day 2: Real-time round-trip tests, pin toggle/echo logic, and inline documentation. - Day 3: Finalize README, add simple test plan, and deliver two compilable sketches with a quick setup guide. -> Simple Question: What is your preferred Firebase Realtime Database structure for the two-board link (paths for publish/subscribe, and any specific on-device reactions you want tested first) and would you like the ESP32-C5 to be the primary sender or a bidirectional bridge? I look forward to your reply. Best regards,
$30 USD in 1 day
3.1
3.1

Hello, I can craft a concise firmware pair that enables seamless ESP32 and ESP32-C5 communication through Firebase, delivering a streamlined connection and instant data synchronization ?. Ensuring efficient data transfer between boards, I will create well-commented source code and a setup guide, enabling you to flash and test the boards with ease. My approach: Design a precise Firebase integration using Arduino IDE or ESP-IDF, implement a secure Wi-Fi connection, and push/pull JSON data between boards. I will also provide minimal Firebase rules/config to ensure a smooth link. I have examples of successful ESP board implementations with Firebase Realtime Database. Are you available for a quick chat? - Abdul
$20 USD in 1 day
3.0
3.0

As a seasoned Embedded Systems Engineer with a specific focus on Arduino, ESP32, and C programming, I believe I can excel at creating the Firebase Bridge between your ESP32 and ESP32-C5 boards. My primary goal throughout any project is to produce clean and well-documented code, which aligns perfectly with your brief. My Electrical & Electronics Engineering background not only gives me hands-on experience with circuits and digital systems but also elevates my problem-solving capabilities. With extensive knowledge in both hardware and software spheres, I am at ease with designing firmware, integrating sensors, and debugging hardware systems. Additionally, my training in Software Engineering would bring an added advantage when implementing Firebase Realtime Database routines for the ESP boards. Throughout my 5-year engineering career and continuous learning journey, I have always thrived on combining multiple disciplines to build holistic solutions - exactly what your project demands. Lastly, thanks to my proficiency in CAD modeling and PCB design (using tools like KiCad), even while delivering the firmware code, I pay meticulous attention to all aspects of your project.
$30 USD in 7 days
2.9
2.9

Hello, As an experienced full-stack developer with proficiency in C Programming and JavaScript, I bring a unique combination of skills to this project. While my portfolio mostly showcases AI systems, I have extensive experience using Firebase's Realtime Database with ESP boards, which I believe makes me the perfect candidate for your firmware pair project. I've built and deployed multi-forms of AI-powered applications that interact seamlessly through Firebase's real-time DB in real-time, such as chatbots, pipelines, autonomous agents, and more. Through these projects, I've optimized performance and ensured reliability - attributes crucial for your goal of pushing a small JSON payload from one ESP32 board to another via Firebase nearly instantaneously. In addition to this, my experience working with modern frameworks like Arduino IDE and ESP-IDF allows me the flexibility to choose whichever medium gives the cleanest Firebase implementation, enabling you effortless assembly and subsequent control. Just as I ensure production-ready performance for all my projects, be it an AI pipeline or a firmware sketch like yours, I guarantee that you'll receive not just well-commented source code but also a comprehensive setup guide for easy flashing and testing. You can be assured that the Wi-Fi credentials, Firebase Project keys, sensor stubs, everything will be optimized as raw codes or placeholders that you can easily manipulate during your tes Thanks!
$500 USD in 5 days
0.0
0.0

Hey — saw your post about connecting an ESP32 and ESP32-C5 through Firebase. The tricky part here is keeping the devices in sync without bloating the firmware or hammering Firebase with unnecessary reads/writes. Quick question before I suggest an approach: Do you already have a Firebase data structure in mind (paths/topics), or are you open to defining a fresh, minimal schema for this bridge? I’ve built ESP32 firmware that talks to Firebase for real-time control and telemetry, including handling connection drops and optimizing for low overhead. If you share your current code, Firebase project details, or a short spec of what needs to be exchanged between the two boards, I’ll review it and outline a clean, concise firmware pair.
$20 USD in 7 days
0.0
0.0

Hello, This is a clean IoT communication setup, and I can build a reliable Firebase bridge between the ESP32 and ESP32-C5 with fast JSON sync and clear firmware structure. My approach is simple: stable Wi-Fi connection, lightweight Firebase writes, efficient polling or streaming on the receiver, and well-commented code so you can extend it easily. You’ll receive: ✔ Two fully compilable firmware files ✔ Clear Firebase setup guidance ✔ Minimal, secure rules configuration ✔ Step-by-step flashing + test instructions ✔ Structured, readable code — not experimentation Before starting, I’d like to confirm: Realtime Database or Firestore? (Realtime is better for latency.) Preferred framework — Arduino or ESP-IDF? Expected payload frequency? If reliability and clean implementation matter, this will be a straightforward build.
$100 USD in 7 days
0.0
0.0

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