Raspberry Pi Solenoid Trigger Script -- 2

@divumanocha

Hello, Thank you so much for posting this opportunity. It sounds like a great fit, and I’d love to be part of it! I’ve worked on similar projects before, and I’m confident I can bring real value to your project. I’m passionate about what I do and always aim to deliver work that’s not only high-quality but also makes things easier and smoother for my clients. Feel free to take a quick look at my profile to see some of the work I’ve done in the past. If it feels like a good match, I’d be happy to chat further about your project and how I can help bring it to life. I’m available to get started right away and will give this project my full attention from day one. Let’s connect and see how we can make this a success together! Looking forward to hearing from you soon. With Regards!

@hireageek

Hi there, I understand that you are looking for a Python script tailored specifically for your Raspberry Pi 5 to interact seamlessly with your Sony camera's AI output. My extensive experience in software engineering and embedded systems, particularly with Raspberry Pi projects, ensures that I can deliver a robust and concise script optimized for GPIO input and output manipulation. I will ensure that the code includes clear comments and sensible default GPIO numbers to prevent conflicts. Additionally, I'll integrate GPS recording functionality, as stipulated in your requirements, and provide straightforward commands for library installations. My focus will be on efficiency and clarity to make your future modifications easy. I’d love to get started on this project right away! Feel free to message me if you have any clarifications, or we can proceed as planned. What specific GPS module are you planning to use with the Raspberry Pi? Best regards,

@Julian29

Hello I have reviewed your requirements carefully and understand the full scope of your Raspberry Pi solenoid trigger project. With over 10 years of programming experience and 7 years specifically in Python, GPIO control, and hardware interfacing, I can create a reliable, concise script that watches a GPIO input from your Sony camera, activates a solenoid while the target is detected, and debounces signals until the target leaves the bounding box. The script will also log GPS coordinates every 30 seconds and track relay activations per interval. I will use clean, well-commented Python 3 code with gpiozero for simplicity, and clearly declare GPIO pins at the top for easy adjustment. Approach -- Monitor GPIO input for HIGH signal, control solenoid output in real-time -- Log GPS coordinates and relay activation count every 30 seconds Workflow -- Stage-wise testing on Pi with dry-run solenoid triggers -- Validate debounce, GPS logging, and safe relay switching I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE, WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. I am available to work in your time zone and will ensure the script runs safely, reliably, and is ready for deployment. I eagerly await your positive response. thankyou

@tangramua

Dear ,   We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time.   We are 25 years in this business and our technical specialists have strong experience in C Programming, Python, Electronics, Circuit Design, Software Development, Raspberry Pi, Embedded Systems, Digital Signal Processing, Software Engineering and other technologies relevant to your project.   Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews.   Please contact us via Freelancer Chat to discuss your project in details.    Best regards, Sales department Tangram Canada Inc.     

@quan9824

https://www.freelancer.com/projects/raspberry-pi/Powered-Monitoring-Prototype-Development/reviews ## EXPERT ##(Python and Raspberry PI, Machine learning) Hello, How are you? I’ve completed several raspberry pi projects before successfully. Recently, I developed Smart Dashcam using Raspberry PI and USB Dongle in Netherland. You can check this in my portfolio. I can upload my previous works too.. I am sure and I can start immediately. Awarding me will be the fastest way to complete your task with the best rates possible. THANK YOU.

@FaizalShaik80

Hello, With over 6 years of experience in Python programming and Raspberry Pi projects, I am confident that I can assist you with developing a concise Python 3 script for your Raspberry Pi 5 project. I have carefully reviewed your project description and requirements, and I understand the need for a script that can monitor a GPIO input line from a Sony camera's AI output and trigger a solenoid based on the presence of a target plant in the camera's field of view. I am keen on discussing your project in more detail to ensure that the solution provided meets your expectations. I would appreciate the opportunity to connect with you via chat to further explore the specifics of your project. Thanks.

@hayat38402

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.

@mykolalus

Hi, I recently developed a Raspberry Pi–based field monitoring system that used GPIO triggers to control solenoid valves while logging GPS data for agricultural equipment. The main challenge was ensuring reliable GPIO detection with proper debouncing while keeping the control loop responsive and stable in outdoor conditions. From your description, you need a Python 3 script running on a Raspberry Pi 5 that monitors a digital trigger from a Sony AI camera and activates a spray solenoid while the target plant remains inside the camera’s bounding box. The system must also log GPS coordinates every 30 seconds and count relay activations within that period. My approach would be: 1. Implement clean GPIO monitoring using gpiozero for stability 2. Add edge detection and debouncing logic 3. Control the solenoid via a protected GPIO output stage 4. Integrate GPS logging using a UART GPS module 5. Deliver a single well-commented Python script with setup instructions Do you already have a preferred GPS module (for example a u-blox NEO-6M), or would you like me to recommend a reliable option for the Pi? Best regards Mykola

@webmasters486

Hi there, I’ve carefully reviewed your project requirements, and with my extensive experience in developing Python scripts and applications, I’m confident that I can deliver a high-quality solution tailored to your needs. Whether it’s automation, data processing, or custom application development, I have the skills to ensure your project’s success. I’d love to discuss how I can contribute and help bring your vision to life. Feel free to check out my portfolio for more examples of my work: Portfolio: https://www.freelancer.com/u/webmasters486 Looking forward to hearing from you! Best regards, Muhammad Adil

@NaveenSingh09

Hello, To meet your needs, I will write a concise Python 3 script that runs on a Raspberry Pi 5 and monitors a single GPIO input for a HIGH signal from your Sony camera’s AI output. The script will trigger a separate GPIO line to energise a 5 V solenoid via a transistor or relay, keeping it on as long as the target remains in the camera’s bounding box and turning it off immediately when the target exits. I will set sensible default GPIO pins that avoid I²C and UART conflicts and expose them at the top of the file for easy change. The program will log GPS coordinates every 30 seconds and count relay activations per period, using the specified GPS module. I will include a header README with wiring instructions, dependency installation commands, and comments explaining the chosen library (gpiozero). With my background in Python automation and embedded scripting, I can deliver a clean, well‑commented script ready to drop onto your Pi within 8 hours. Best Regards Naveen Thakur

@yaroslavmark

Hi, I have reviewed the attached documents carefully. I’m an embedded systems engineer with 10+ years of experience developing Raspberry Pi–based vision and automation systems, including agricultural sensing and precision actuation platforms. I’ve delivered 40+ embedded projects involving Raspberry Pi, GPIO relay control, GPS logging, and AI inference pipelines, including machine-vision triggered systems with <20 ms response time designed for continuous outdoor operation. Approach ✅ I will convert and deploy the serrated tussock detection model in IMX500 format, then implement a Python inference pipeline that maps detections to the four defined bounding zones. ✅ I will implement reliable GPIO control for the SD Components relay HATs, ensuring each relay corresponds to a zone and remains active while the plant stays within the bounding box. ✅ I will develop a full-screen touchscreen GUI with START/STOP/EXIT controls, auto-run on boot, and a GPIO-driven status LED indicating the program is active. ✅ I will integrate GPS logging via UART (u-blox NEO-M8N) and record coordinates plus relay activations every 30 seconds for field tracking. Questions ✅ Will you provide the labeled image dataset for serrated tussock, or should I handle the full model training pipeline? ✅ Should the relay remain active continuously while the plant is detected, or retrigger logic if multiple detections occur? Best, Yaroslav

@devbaloni1983

Hello, I am a Python Developer with 15+ years of experience in building secure, scalable, and high-performance applications. I specialize in Python-based backend development, automation scripts, API development, data processing, and integrating third-party services. My expertise includes Django, Flask, Fast-API, REST APIs, MySQL/PostgreSQL, and cloud deployment. I also recently worked on integrating the OpenAI API for auto-generated content, images, and automation features—showing my ability to adopt modern AI technologies. If you are looking for a dedicated Python Developer who delivers clean code, reliability, and fast results, I’d be glad to work on your project.

@AlexNdungu

Hello, This is a clear hardware-control task and I’d be happy to help implement it. I have experience writing Raspberry Pi GPIO control scripts for sensors, relays, and automation systems, and can provide a clean Python 3 script optimized for Pi 5. What I will implement: Monitor a GPIO input for the Sony camera HIGH signal Activate a GPIO output to control the 5V solenoid/relay while the signal remains HIGH Automatically switch off when the signal goes LOW Add debounce / state logic so the system ignores retriggers until the signal resets 30-second logging loop that records: GPS location using a compatible module such as u-blox NEO-6M Number of relay activations during that interval Code design: Uses gpiozero cleaner and modern for Pi 5 Configurable GPIO pins declared at the top of the script Structured and well-commented for easy modification Lightweight so it runs continuously on the Pi Deliverables: Single well-commented .py script Installation commands for required libraries Header README with wiring instructions Example relay/solenoid protection circuit The script will be ready to drop onto the Raspberry Pi and run immediately. I’d be happy to review the attached hardware documents to ensure the GPIO mapping and GPS module integration match your appliance design before finalizing the script.

@chrissiebosman

Hi, nice to meet you. As an expert of Raspberry PI, I'm able to implement py file meeting your requirements. I can deliver it in 3~5 days and I can implement it exactly. I hope to collaborate with you and proceed to work. Thank you for your reply.

@huonghy89

Hi, I hope you are doing well. Very happy to bid your project because my skills are fitted in your project. I have hands-on experience developing Python GPIO control scripts for Raspberry Pi systems, including sensor/relay interfacing, event-driven automation, debouncing logic, and GPS logging for field-based hardware projects. I will deliver a single well-commented Python 3 script for Raspberry Pi 5 that monitors the camera’s HIGH/LOW GPIO output, drives the solenoid safely through a protected output stage, ignores repeated triggers until the target leaves view, and logs GPS position plus relay activations in 30-second intervals. I will also include clear setup commands, suggested non-conflicting GPIO defaults, and an in-file README covering wiring, dependencies, GPS module integration, and safe transistor/relay control to protect the Pi’s 3.3V GPIO. If you send the message, we can discuss the project more. Thanks.

@abdf2010

Hello. I came across your project, Raspberry Pi Solenoid Trigger Script -- project and it aligns well with my background. I have hands-on experience with C Programming, Python, Electronics that's directly relevant here. Feel free to reach out if you have questions.

@Eliteinno

Hi, My team and I just reviewed your project, and it seems that the core challenge lies in the architecture and how it can effectively scale with growing user demands. Our backend leads specialize in optimizing such systems to ensure robustness and efficiency. We recently completed a large-scale e-commerce platform using React and Node.js, which required handling over a million transactions daily. The project was a success due to our precise integration of microservices and optimized database management. I'll be your direct technical point of contact throughout the project, and we'll set up a staging environment to ensure everything aligns with your vision. What's your long-term plan for user engagement as the platform grows? Let's explore how we can make this a success together.

@leonidye

Hi,As an Electronics and RF Design Engineer, my expertise aligns perfectly with the tasks at hand in your project. I've worked extensively on tasks similar to yours, including circuit designing, hardware development and GPIO integration. The topmost priority for any RF task is reducing cross-board interference while maintaining high performance, something I specialize in. I'm confident in dealing with any radio-frequency challenges that might arise in your project. Having designed various power optimization circuits during my career, I am well acquainted with the needs of devices like Raspberry Pi and how important it is to ensure their proper functioning. This means that not only will the solenoid for your spray nozzle be connected efficiently and safely but we'll also take necessary precautions to protect the Pi's 3 V logic. Combined all this with my penchant for clear documentation and effective communication, you can be sure of getting a single well-commented Python 3 script to carry out your needs effectively on your Raspberry Pi 5; one that comes complete with all instructions needed to install dependencies and enable the GPIO Library for a smooth experience. Additionally, I'll provide a README section covering pin-wiring requirements & power supply guidelines for running a solenoid through transistors or relays. Trust me to deliver you a top-notch performant solution while caring for the safety of your equipment! Best Regard. Leonid Y.

@ivank69

Hi there, Which GPS module do you want on the Pi 5, and should the 30 second log store only timestamp, GPS point, and relay count, or also signal duration per detection window? Should the solenoid stay ON exactly while the GPIO input remains HIGH, with a small debounce only on state changes, or do you want any minimum ON or OFF protection time added? This can be built cleanly as a lightweight Python 3 service on Raspberry Pi 5. A safe approach is to use one GPIO input watcher, one protected output control for the solenoid, and a separate timed logger for GPS plus activation counts, with all pins and timing values declared at the top for quick changes. A similar hardware control task involved GPIO-triggered device actions where a sensor signal had to drive an output in real time without repeated false triggers. The key issue was keeping the control logic stable while protecting the board and making the script easy to deploy and adjust in the field. That was solved by using a simple state-based loop, clean pin abstraction, debounce handling on transitions, and a clear wiring guide for relay or transistor protection. The result was reliable trigger behavior, easier maintenance, and safer hardware operation. Strong background in Python, embedded logic, automation, and production-grade system design fits this well. Ready to start immediately and deliver a clean .py script with setup commands, comments, and practical wiring notes. Best, Ivan