
Closed
Posted
Paid on delivery
I’m putting together a new product prototype that pairs a PAA5100JE optical-flow breakout board with an ESP32. The goal is to have the ESP32 handle Wi-Fi connectivity, pull motion data from the PAA5100JE, and give me software control of several GPIOs so I can drive LEDs and switch power to an additional sensor on command. Here’s what I need from you: • An advised pin map and any level-shifting guidance for a clean, noise-free hardware hookup. • Well-structured firmware (PlatformIO or Arduino-IDE friendly) that: – Initializes the PAA5100JE and streams its measurements at a steady rate. – Publishes those readings over Wi-Fi—MQTT, HTTP, or WebSocket is fine, as long as it’s fast to implement and stable. – Exposes simple commands or a REST endpoint to toggle GPIOs for the LEDs and sensor power rail. • Clear documentation so I can reproduce the build, flash the board, and extend the code later. If you’ve already integrated the PAA5100JE with an ESP32 before, please include a brief note or link to your previous work when you respond.
Project ID: 40633329
50 proposals
Remote project
Active 3 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
50 freelancers are bidding on average $154 USD for this job

As an experienced Electrical Engineer specializing in firmware development for embedded systems, I can provide you with the ideal solutions you need for your prototype. I have ample knowledge and experience not only with ESP32 but specifically integrating it with the PAA5100JE. My previous work and successful project completions are testaments to my ability to deliver clean, noise-free hardware hookups, structured firmware, and all the documentations you require. My core expertise goes beyond what's essential for this project. Not only will I provide you a well-mapped pin assignment and handle level-shifting guidance, but I'll also ensure your firmware is well-structured and compatible with both PlatformIO and Arduino-IDE. Furthermore, I'm adept at connecting Wi-Fi signals using MQTT or any other protocol of your choice ensuring stability and speedy implementation. What sets me apart is my holistic approach to projects. From system architecture to PCB design, FPGA development to AI/ML integration; I can offer a complete package that ensures a foolproof build, easy-to-understand documentation, and the potential of extending your code later for added functionalities. Looking forward to discussing your project further and working together to bring your product from idea to end-market fruition – just the way you envisioned it.
$325 USD in 7 days
8.5
8.5

Hi, I am an embedded systems engineer with over 16 years of experience developing connected devices, sensor interfaces, and production-ready firmware. I can create a clean ESP32/PAA5100JE prototype package covering the SPI pin map, power and logic-level guidance, GPIO assignments, and practical noise-control recommendations. I’ll develop structured PlatformIO/Arduino-compatible firmware to initialize and read the optical-flow sensor at a steady rate, publish measurements over Wi-Fi using a simple stable interface, and expose commands for the LEDs and switched sensor power. I’ll also provide clear wiring, setup, flashing, configuration, and extension documentation. My relevant sensor-integration work is private and cannot be linked publicly, but I can discuss or demonstrate suitable examples privately. I can also help troubleshoot hardware bring-up and refine the firmware once tested on your boards. Do you prefer MQTT or a REST/HTTP interface for the first prototype? I’d be glad to discuss the details and get started.
$100 USD in 5 days
7.6
7.6

I can develop this ESP32–PAA5100JE prototype with reliable hardware connections, Wi-Fi communication, and remotely controlled outputs. I will first prepare a clear pin map using the ESP32’s VSPI interface: SCK, MOSI, MISO, CS, plus the required motion interrupt and reset pins. Since both devices operate at 3.3 V, level shifting is normally unnecessary. I will also specify local decoupling capacitors, short SPI traces, grounding, and suitable MOSFET driver circuits for LEDs and sensor-power switching. The firmware will be structured into separate sensor, network, command, and GPIO modules. It will: • Initialize and configure the PAA5100JE • Read X/Y motion data at a stable, configurable rate • Publish measurements over MQTT or HTTP • Provide REST commands for controlling LEDs and the sensor power rail • Automatically reconnect after Wi-Fi or server interruptions • Include serial diagnostics and configurable pin/network settings I will provide PlatformIO/Arduino-compatible source code, wiring documentation, dependency details, flashing instructions, API examples, and guidance for future expansion. I have experience integrating ESP32 systems with SPI sensors, Wi-Fi communication, GPIO control, and power-switching circuits. I would verify the exact PAA5100JE breakout-board version before finalizing the connections because regulator and pin arrangements can differ between manufacturers.
$100 USD in 7 days
7.4
7.4

Hi, I can help you integrate the PAA5100JE optical-flow sensor with the ESP32 and develop the complete firmware. I have experience with ESP32, SPI sensors, Wi-Fi communication, MQTT/HTTP, GPIO control, and embedded firmware. I can provide a clean pin map, level-shifting guidance, sensor initialization and data handling, Wi-Fi publishing, and GPIO control for the LEDs and additional sensor. I'll also provide well-structured source code and clear documentation so the setup can be easily reproduced and extended. I'm ready to get started. Thanks!
$70 USD in 7 days
7.5
7.5

Optical flow is cumulative, not absolute — one SPI read blocked while the WiFi stack transmits and that motion delta is gone for good, so the track drifts and nothing in the logs explains why. Both parts are 3.3V logic, so level shifting isn't the problem here; SPI timing under WiFi TX is. I'm Majeed, an embedded engineer delivering ESP32 firmware as a premium service, with 15+ products shipped and deployed for clients worldwide. Why me? -> Free PCB manufacturing guide included for when you move off the breakout. -> Full in-house lab to validate flow readings against a fixed-distance test rig before handoff. -> PlatformIO project delivered with pin map, flashing steps, and extension notes documented. -> Sensor rail and LED GPIOs exposed through a REST endpoint you can script against. -> Reply within 5 minutes during work hours. -> 2 weeks free post-project support included. Worth a quick call to settle MQTT vs WebSocket and your target sample rate before I start?
$150 USD in 3 days
6.7
6.7

Hi there, I have carefully reviewed your requirements and can handle the complete ESP32 + PAA5100JE integration, including the hardware interface, pin mapping, firmware development, Wi-Fi communication, GPIO control, and clear documentation. As a mechatronics engineer with nearly five years of experience in embedded systems and electronics, I have worked with the main technologies involved in this project, including ESP32, SPI sensors, GPIO control, Wi-Fi communication, MQTT/HTTP interfaces, power switching, and C/C++ firmware development. I can also provide proper level-shifting, decoupling, grounding, and noise-mitigation recommendations for a reliable hardware connection. I can deliver clean PlatformIO or Arduino-compatible firmware that reads the PAA5100JE at a stable rate, publishes motion data over Wi-Fi, and provides simple commands or REST endpoints for controlling LEDs and the additional sensor power rail. Please send me a message so we can discuss the exact ESP32 board and your preferred communication method. Best regards, Samuel tshibangu
$140 USD in 1 day
6.5
6.5

Hello Sir i am computer engineer and certified Labview electronic developer so i can help you doing that so please let me do it for ou .,, tthanks
$250 USD in 7 days
6.2
6.2

Hi! Direct answer on your pin-map question first: the PAA5100JE's SPI lines (SCK/MOSI/MISO/CS) run natively at 3.3V — same as the ESP32 — so wired directly, not through a 5V Arduino, you don't need level shifters at all. That's one less failure point and one less BOM line. I'd still confirm your exact board SKU before finalizing the map, since some optical-flow clones use different regulator/logic setups under the same silkscreen. I've brought up SPI-based optical/motion sensors on ESP32 before (same PixArt lineage as the PAA5100JE — PMW3901-class parts), and the failure mode is always the same: get the power-up/reset sequence or SPI Mode 3 timing wrong and you get garbage burst reads or a sensor that silently locks up. Happy to walk through that on a call. Plan: 1. Bring-up: verify SPI link, reset sequencing, and burst-read register access against your specific breakout revision. 2. Firmware: FreeRTOS-based, not superloop — sensor polling and WiFi/networking run as separate tasks from the start, since steady-rate streaming is the actual hard requirement here, not the WiFi part itself. 3. Integration: MQTT publisher, plus a REST endpoint for GPIO control — LEDs and the sensor power rail. If that rail draws meaningful current, I'll spec a MOSFET/load switch rather than driving it off a bare GPIO. we can discuss it more in details in chat. Thanks Regards
$180 USD in 4 days
5.8
5.8

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: Antenna Design (CST, HFSS) 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.
$140 USD in 7 days
6.0
6.0

Hi, I am a Senior Embedded Systems Engineer with 10+ years of experience in ESP32-based IoT products, sensor integration, and firmware development, including 20+ custom PCB and firmware projects using ESP32, Wi-Fi, MQTT, REST APIs, and low-power sensor interfaces. Approach: ✅ I will first analyze the PAA5100JE interface requirements, define the ESP32 pin mapping, verify SPI/I2C communication levels, and add proper pull-ups, filtering, and noise reduction considerations. ✅ I will develop structured ESP32 firmware using PlatformIO/Arduino framework, including PAA5100JE initialization, stable motion data acquisition, Wi-Fi connectivity, and MQTT/HTTP/WebSocket data publishing. ✅ I will implement a reliable control interface with REST commands or MQTT topics for GPIO-based LED control and sensor power switching, followed by testing and optimization. ✅ I will provide clear documentation covering wiring, flashing procedure, firmware configuration, and future extension guidelines. Questions: ✅ I would like to confirm which exact PAA5100JE breakout board/module you are using and whether the communication interface is SPI or I2C. ✅ Do you already have a preferred ESP32 board variant (ESP32-WROOM, ESP32-S3, etc.) and operating voltage requirements for the additional sensor power rail? ✅ What data update rate and network latency target do you require for the optical-flow measurements? Best, Yaroslav
$220 USD in 7 days
5.3
5.3

⭐⭐⭐⭐⭐ Your ESP32 + PAA5100JE prototype is a good fit for my 15+ years of embedded and electronics development experience. I can handle both the hardware interface planning and firmware so the optical-flow measurements and Wi-Fi functions work reliably together. I’ll first define a clean pin map, verify voltage/logic-level compatibility, and address grounding, decoupling, and signal integrity. The firmware will then initialize the PAA5100JE, acquire motion data at a stable rate, and publish it over a lightweight network interface. I can use MQTT or HTTP depending on your preferred integration. I’ll also provide simple remote commands/API endpoints for controlling the LED GPIOs and sensor power rail, with the code structured so you can extend it later. Deliverables: • Recommended wiring/pin map and level-shifting guidance • PlatformIO/Arduino-compatible firmware • PAA5100JE initialization and continuous data acquisition • Wi-Fi communication and GPIO control • Fully documented build/flash instructions and source code I have extensive ESP32, sensor-interface, Wi-Fi, and embedded firmware experience. I won't claim a specific PAA5100JE integration unless you need that exact reference, but I can work directly from its datasheet and your breakout documentation. If you provide the exact ESP32 module and PAA5100JE breakout you're using, I can finalize the interface and architecture quickly.
$140 USD in 7 days
5.1
5.1

Thanks for posting this interesting project. I have good experiance working on similar project being a firmware developer. Please feel free to contact me for further development. Thanks , Have a nice day.
$140 USD in 7 days
5.3
5.3

Hi i am embedded system engineer with 11 years of experience. I haven't use PAA5100JE previously, but i check its pretty stright forward and i can implement the rest, i just need remote access to make sure sensor code work, after that i think you can consider done
$200 USD in 7 days
4.7
4.7

As a well-versed professional in Arduino and electronics, I understand your project's intricate requirements and specifications. I have an extended experience in designing and configuring microcontroller architectures, which includes numerous ESP32 integrations. Although I haven't worked directly with the specific board you mentioned (PAA5100JE), my deep understanding of Arduino-IDE and PlatformIO will enable me to quickly adapt and acquaint myself with it.
$39 USD in 1 day
4.6
4.6

Given my comprehensive understanding of and extensive experience in Electronics, RF Engineering, and Embedded Systems - your project is in good hands with me. My strong proficiency in C/C++, combined with my ability to design, simulate, and validate robust hardware solutions from concept through implementation led to successful delivery for multiple projects. This includes my previous work that integrated the PAA5100JE with the ESP32. Having worked on various high-power electronic and power-distribution designs as well as embedded controllers, I have gained a deep understanding of troubleshooting, system integration and crucial time-management skills. My knowledge of Arduino coupled with the problem-solving capabilities helps me tackle issues effectively and deliver on-time results. Rest assured, not only will I take care of your hardware mapping and noise-free hookup requirements, but also develop a well-structured firmware facilitated by PlatformIO or Arduino-IDE which will enable smooth streaming of motion data via Wi-Fi. I'll provide comprehensive documentation along the way to ensure reproducibility of the build and extendability of the code for you in the future. Choose me for a seamless blend of skills, experience, and commitment to quality craftsmanship that your project deserves.
$140 USD in 5 days
4.4
4.4

Hello there, I dont have specific experience with PAA5100JE. But I have lots of experience with ESP32 integrated embedded systems. I have worked on variouse types of battery integrated ESP32 projects and an Octapad and a Drum Module based on ESP32S3. I prefer using ESP-IDF for a professional firmware but for the prototype Arduino is fine. Let me know, I can also design a perfect PCB and I have a 3D printer also for a perfect Prototype. Thanks. Pathum
$120 USD in 5 days
4.2
4.2

Hi, Your ESP32 + PAA5100JE optical-flow integration is a good match for my embedded IoT experience. Relevant experience: * ESP32 / ESP-IDF, Arduino, and PlatformIO-based firmware development * SPI/I2C sensor integration, GPIO control, and hardware bring-up * Wi-Fi connectivity with MQTT, HTTP/REST, and WebSocket communication * Real-time sensor data acquisition and reliable telemetry * Structured, documented firmware designed for easy extension Approach: I can provide the recommended pin mapping and level-shifting guidance, integrate the PAA5100JE, stream motion data over Wi-Fi, and expose simple REST/MQTT commands for LED and sensor power control. I’ll also provide build/flash documentation and a clean project structure for future development. I haven’t specifically integrated the PAA5100JE before, but I have extensive experience integrating sensors and communication peripherals with ESP32 and can quickly adapt to the device. Let’s discuss your requirements and get this moving.
$220 USD in 11 days
4.3
4.3

Thanks for the clear prototype scope. I can build this as a clean ESP32 + PAA5100JE firmware package with practical hardware guidance, a reliable motion-data stream, and simple GPIO control for LEDs and sensor power. I’ll provide: - an advised pin map and level-shifting notes for stable wiring - PlatformIO/Arduino-friendly firmware - a motion-data interface over Wi-Fi using a fast, stable option - REST-style control endpoints or equivalent simple commands for GPIO toggling - setup notes so you can flash, reproduce, and extend the build later I’ll also keep the code structured so it’s easy to adapt for additional sensors or outputs. Miguel
$140 USD in 2 days
3.7
3.7

Hi, I can build the ESP32 + PAA5100JE prototype firmware with clean sensor integration, Wi-Fi data publishing, GPIO control, and clear hardware/firmware documentation. The best solution is to first confirm your ESP32 board, PAA5100JE breakout pinout, Wi-Fi output method, LED GPIOs, and sensor power-control requirement. Then I’ll prepare a safe pin map, SPI wiring guidance, and firmware that initializes the optical-flow sensor, reads motion data steadily, and publishes it through MQTT, HTTP, or WebSocket. I’m comfortable with ESP32, Arduino IDE, PlatformIO, SPI sensor integration, PAA5100JE/PMW3901-style optical-flow sensors, Wi-Fi communication, MQTT/HTTP endpoints, GPIO control, LED switching, sensor power control, and prototype documentation. Deliverables will include: * ESP32 pin map * PAA5100JE wiring guidance * Level-shifting/noise notes * Arduino/PlatformIO firmware * Optical-flow sensor initialization * Steady motion data streaming * MQTT/HTTP/WebSocket data output * REST/simple command GPIO control * LED and sensor-power switching * Flashing and setup documentation I’ll focus on a clean, stable prototype that is easy to reproduce, test, and extend later as your product design grows. Best regards Ankit
$100 USD in 3 days
3.9
3.9

Hello, This is a very good fit for my ESP32 and embedded IoT experience. I have worked extensively with ESP32-based sensor systems, peripheral interfaces, GPIO control, Wi-Fi connectivity, and production-oriented firmware. I can handle the project end-to-end: first defining a reliable ESP32/PAA5100JE pin map and checking voltage levels, signal integrity and power/noise considerations, then developing clean PlatformIO/Arduino-compatible firmware for sensor initialization and continuous motion-data acquisition. For the network side, I can implement a lightweight MQTT or REST-based interface so the motion data can be monitored remotely while providing simple commands to control the LEDs and auxiliary sensor power GPIO. I will also provide clear wiring, build/flash instructions, communication/API details, and well-commented source code so you can reproduce and extend the prototype easily. I can start immediately and focus on getting a working prototype running quickly rather than over-engineering it. Best regards, ShengLin Gu.
$150 USD in 4 days
3.5
3.5

Edwardsville, United States
Payment method verified
Member since Apr 14, 2021
$10-30 USD
$2-8 USD / hour
$2-8 USD / hour
$10-30 USD
$15-25 USD / hour
$30-250 AUD
₹600-1500 INR
₹1500-12500 INR
$30-250 USD
$30-250 USD
₹1500-12500 INR
$8-15 USD / hour
₹10000-20000 INR
$750-1500 USD
$750-1500 USD
₹37500-75000 INR
£10-15 GBP / hour
₹12500-37500 INR
$3000-5000 USD
$10-30 CAD
$250-750 USD
₹12500-37500 INR
$10-30 USD
$30-250 AUD
₹12500-37500 INR