12v battery charging circuit jobs

Hi there I did read your project description and it looks you are looking for an electronics engineer having experience in circuit, PCB layout designing, and microcontrollers coding/firmware development. My name is Engr. Saddam Gul, I am an electronics engineer having 5+ years of experience in circuits designing, PCB layout designing, and embedded system microcontrollers (Arduino, ESP32, FPGA, C2000, STM, and Rpi) coding/firmware development. I have successfully executed numerous complex projects, which you can view in my portfolio as samples. Please feel free to share more details about your project, and don't hesitate to contact me for any further discussions. Thank you Regards Engr. Saddam Gul

I'm seeking an expert in battery state of charge (SOC) estimation, specifically utilizing the Kalman filtering method. The goal is to achieve an estimation accuracy within the 3-5% range. Key requirements: - Proficient in Kalman filtering - Experience with lithium-ion battery SOC estimation - Ability to work with voltage and current measurements The data available for this project consists of voltage and current measurements. If you have the right skills and experience, I look forward to your proposal.

...to label them as completed by our company. Key requirements include: Branding: The sticker should incorporate a modified version of our existing Glow Electric logo, adapted to reflect our Glow Renewables division. Details: Include our contact information, social media icons, and a small QR code linking to our website. Content: Highlight the three core services of Glow Renewables: Solar Battery EV Charging Design Format: A triangular shape is preferred to ensure the sticker looks integrated with the product it’s placed on. Size: Approximately 130mm x 150mm. 3. Branded Sticker Design – Glow Electric This design will be similar to the Glow Renewables sticker but will focus on our primary Glow Electric branding. Key requirements include: Branding: Use the standar...

I'm looking for a skilled product engineer with expertise in bag design. The project involves creating a range of bags, including backpacks and handbags, as well as travel bags. Backpacks: - Must be made from waterproof material - Feature multiple compartments - Equipped with a built-in USB charging port Handbags: - Should have adjustable straps - Include multiple pockets - Incorporate a secure lock mechanism The specifics for the handbags will be communicated once the freelancer is hired. Ideal skills for this project include product design engineering, materials science, and experience in designing multifunctional bags. A keen understanding of market trends in bag features is also a plus. Please provide examples of relevant past work with your bid.

I'm working on an Arduino project that involves...working on an Arduino project that involves various hardware components and I need help with several aspects of it. - Main Goal: The project revolves around both hardware and coding. - Hardware: The project will use sensors, motors, and displays. - Specific Tasks: I need assistance with circuit design and wiring, writing and debugging code, and integrating the hardware components. Ideal skills and experience for this job would include: - Extensive knowledge and experience with Arduino - Proficiency in circuit design - Strong coding skills, especially in Arduino's programming language - Experience with various hardware components like sensors, motors, and displays - Excellent debugging skills - Able to integrate har...

I'm looking to develop a full stack mobile application with primary focus on tracking linked to a physical product. The app should be compatible with both iOS and Android platforms. Key Requirements: - Full stack development experience - Proficient in developing cross-platf...implementation - Physical product linking - iOS and Android development Real-Time Tracking: Track the broadhead’s location with updates and map display. 2. Signal Monitoring: Show the strength of GPS and communication signals. 3. History/Logging: Log the path of the broadhead. 4. Deployment & Retrieval Mode: Confirm deployment and assist in retrieving the broadhead. 5. Alerts: Notify for signal loss, battery alerts, and other issues. 6. Geofencing/Navigation: Help the user navigate to the ...

...experienced electronic circuit designer to create a compact (30mm x 15mm) BTE hearing aid circuit. The primary function of this device will be noise reduction. Key features to be integrated include Bluetooth connectivity and a Telecoil for phone use. The device will be powered by a disposable battery. Key Responsibilities: - Design and create electronic diagrams and PCB layouts based on my specific instructions. - Ensure the design is compact and efficient, suitable for a small hearing aid. Ideal Skills and Experience: - Extensive experience in designing electronic circuits and PCB boards. - Previous experience with hearing aid design would be a plus. - Proficient in creating designs compatible with Bluetooth and Telecoil technology. - Ability to design for a dis...

I'm looking for a skilled and experienced professional in raspberry pi or Arduino design and programmin...Frame: 2 weeks Budget: as low as possible Ideal skills for this project: - Extensive knowledge and experience with raspberry pi or Arduino - Ability to design a user-friendly system - Proficiency in programming and troubleshooting - Creative problem-solving skills Program: Scan barcode and play audio based on barcode Audio can be paused, skip forward or back Led screen shows audio track #, battery life Requirements: ,schematic, PCB design, BOM ,components and website to find these components Understanding of electronics and ability to work with various sensors and devices is a plus. Please include examples of previous home automation projects you've work...

i want to resell my bandwidth to a small isp and he wants to use his own asn and ip pools. But my primary isp is saying that multiple bgp session is not possible on the single circuit which i have taken from them

...Installed within the car's system, this application provides core functionalities and APIs that the mobile app utilizes for remote access, control, and monitoring. The car app enables live high-resolution video feeds from 360° cameras, customizable recording settings, AI-powered object detection, event alerts, and detailed vehicle status monitoring, including speed, throttle/brake status, and battery health. It also supports intelligent storage management and persistent connectivity features like keeping Wi-Fi or mobile data active after the engine is off. Through real-time synchronization, changes made via the mobile app—such as video quality adjustments or detection thresholds—are instantly reflected in the car system. With secure login, encrypted data tran...

I need a digital circuit designed that will sequentially display the number "210707069" on a seven-segment display. The design should be built using a 555 timer-based oscillator, JK flip-flops (7476 IC), and a BCD (Binary-Coded Decimal) encoding system. The circuit should continuously loop the number, correctly displaying it in sequence. Key requirements: - Use of 4-6 bit BCD encoding for each digit. - Simulation using Proteus software. - Deliver a fully functional circuit and a detailed report at the end. Primary focus: Accurate number display on the seven-segment display using Proteus. The circuit's simplicity and the simulation setup's ease are secondary considerations. The final report should provide a detailed account of the circuit d...

I'm seeking a skilled solar design professional to help with a cost-effective solar solution for a new construction multifamily project. The site includes 120 apartments, an 88,000...is to minimize costs while ensuring a viable and efficient solar setup. - The design should incorporate rooftop solar panels and solar carports. - The solar carports should have integrated EV charging stations and battery storage options. -Sourcing of the panels to deliver to USA or USA companies Ideal candidates should have: - Extensive experience in solar design, particularly for New Construction of multifamily residential projects. - A proven track record of delivering cost-effective and sustainable solar solutions. - Knowledge and experience with designing solar carports and integrating...

...sip:linphone, Twilio should no longer be involved in the call (to avoid duration charges). The desired flow is: Caller → Twilio → Asterisk → sip linphone At the end, the connection should be: Caller → sip inphone We understand that we will need to pay Twilio for the incoming and outgoing legs until the caller is connected to Linphone SIP. However, we do not want Twilio to continue counting and charging for the entire call duration once the connection is established between the caller and the SIP address. We have: Asterisk installed on a server Twilio forwarding the call to the Asterisk server , , and all other important configurations set up Problem: Right now, the call flow works, and the Linphone client app receives the call successfully. H...

I'm working on a project that requires a PCB design for a prototype. I need a PCB designer proficient in EasyEDA who can output EasyEDA project files including the PCB design, schematic diagram, and Gerber file. Circuit Details in PDF File - PCB Design Updated

...camera. These glasses should be capable of transferring images to an Android phone via Bluetooth and have a battery life of at least 4 hours. Key Features: - Camera Integration: The primary focus of this project is the seamless integration of a 1080p camera into the smart glasses. Previous experience with camera-enabled wearables will be a significant advantage. - Image Transfer: The smart glasses should be able to transfer images to an Android phone using Bluetooth. Please provide examples of similar projects you've worked on that involved Bluetooth connectivity. - Battery Optimization: While the primary focus is not on battery optimization, the smart glasses should have a minimum battery life of 4 hours. Experience in creating power-efficient devices...

To help in developing a custom Battery Management System (BMS) for electric vehicles, adhering to IEEE P2686 standards. The project involves advanced modeling, simulation, and report preparation, requiring a deep understanding of battery systems, MATLAB/Simulink, and automotive standards.

I'm seeking an experienced eyeglasses designer to modify my existing smart glasses design. The goal is to optimize the frame to accommodate the battery and circuit components while maintaining a sleek and comfortable fit. If you have expertise in designing eyewear for tech integration, I’d love to hear from you! Key Modifications: - Frame design to accommodate a battery and circuit board - Maintaining a stylish and comfortable fit Material: - The frames should be designed for 3D printing Ideal Skills and Experience: - Prior experience in designing tech-integrated eyewear - Proficient in creating designs suitable for 3D printing - Strong focus on comfort, fit, and aesthetic appeal

Project Description I need a professional hardware/electronics designer to create a complete ESP32-S3-based pcb. The design will feature: - ESP32-S3 module (placed on edge side of the PCB) with USB-C for programming. - 18 high-resolution analog i...side of the PCB) with USB-C for programming. - 18 high-resolution analog inputs for NTC 10K/20K/100K sensors with shared COM pins. - 8 solid-state relay (SSR) outputs for controlling contactor signals, with shared COM pins. - One high-reliability 0-10V analog output. - Ethernet port with the W5500 IC and RJ45 connector at the bottom edge. - Integration of an external RTC module (DS3231) with battery backup for accurate timekeeping. - Power regulation, protection circuits, and optimized PCB design. - Milled slits for isolating I2...

...encompass various components such as a GPS, sensors buttons, and connectors. Key Features: - Incorporate ESP32 WROOM S3 and u-blox MAX-M10S GPS with chip antenna - Integrate a Speaker and 5 Pushbuttons - Include a Micro SD Card Slot and USB-C Connector - Have a Barometric Sensor, Accelerometer/Gyro, and Ambient Light Sensor - Implement a LoRA Radio and 4 connectors for battery & peripherals - Support LiPo charging and power management Board Dimensions: Approximately 44mm x 72mm Deliverables: - Altium Designer Schematic - Detailed Parts List (BOM) with supplier information - Altium Designer PCB Layout - Complete Fabrication data (Geber files etc) Key Requirements: - Extensive experience in PCB design, particularly with low-power, chip antenna & DFM ex...

...Ads (iOS). VIP Version: Implement a subscription-based VIP model using Google Play Billing (Android) and Apple’s In-App Purchase system (iOS). User Interface Clean, intuitive design adhering to platform-specific guidelines: Android: Material Design. iOS: Human Interface Guidelines. Dashboard for: Connection status. Server selection. Subscription details. Performance Optimization Low battery and memory usage. Fast server connection and seamless switching. Development Process Planning and Research: Review documentation for Server and Client APIs and Xray-core. Finalize app features, workflows, and architecture. UI/UX Design: Create wireframes and prototypes for both platforms. Conduct usability tests and refine designs. API Integration: Set up communicat...

Parameterized Circuit Optimization Hybrid Classical-Quantum Optimization Noise Analysis and Mitigation in Quantum Circuits Reliability Analysis of Semiconductor Devices

I'm looking for an experienced circuit designer to create a circuit for a Switching Mode Power Supply (SMPS) aimed at consumer electronics. Key Project Details: - The circuit is specifically for a 24V SMPS. - Power Rating 48 W , 2A - Use the IC DP2281 - Experience in designing circuits for consumer electronics is crucial. - Knowledge and experience working with SMPS circuits is a must. Your expertise in circuit design will be pivotal in ensuring the successful creation of this circuit. I look forward to your bids and hope to find a freelancer who can meet these requirements.

I'm seeking a highly-skilled and creative freelancer to design a visually engaging, efficient, and highly creative 10-second product video for our e-cigarette website banner. Key Features to Highlight: - Battery Life - Flavor Options - Design Aesthetics - Product Specifications Ideal Skills and Experience: - Prior experience with vape or similar product design is preferred. - Strong expertise in short video production, particularly in capturing attention and showcasing key product features. - Excellent sense of color coordination for a visually appealing design. - Proactive in suggesting and implementing improvements for video quality and appeal. - Efficient, deadline-oriented with a proven track record of delivering high-quality results. If you're interested, please s...

I'm in the process of launching a website that connects people needing home repairs with top rated professionals, without downloading an app and without charging per-lead fees to the professionals. What I need in this early stage is someone who can be ready to receive emails that contain form responses, a list of three companies to call and give the form responses info to, and a script that is used to deliver the info. There would be no activity for a while, but I would be willing to pay a monthly fee just to be on standby until emails start coming in, then we can discuss further growth as you start to receive emails and call companies regularly. If this sounds like something you could do, let's chat further so I can answer any remaining questions. Thank you very much,...

I'm looking for an experienced electronic engineer to modernize the circuit board of a Candlepin Bowling Pinsetter. The primary goal is to update the board and components to a smaller form factor while enhancing the overall efficiency of the system. Key Requirements: - Update the circuit board and components to a smaller, more compact form factor. - Improve the overall efficiency of the circuit board. Ideal Skills: - Expertise in circuit board design and modification. - Experience with consumer electronics. - Strong understanding of efficiency optimization techniques. Prior experience working with industrial control systems, particularly in consumer electronics like a bowling pinsetter, would be highly beneficial. A successful project will lead to a fas...

I need a Logisim expert to design a sequential circuit for me. The circuit should generate the digits in my student ID. Requirements: - Utilize JK Flip-Flops and Counters. - Employ only JK or D-flip-flop and basic gates (AND, OR, XOR, NAND, NOR, XNOR). - The circuit should be able to replicate the digits of my student ID. Ideal skills: - Proficient in using Logisim. - Strong understanding of sequential circuit design. - Able to work with JK Flip-Flops and Counters. - Familiar with basic logic gates. I attached milestone 2 my previous project are going to continue working on it to do milestone 3 This project is primarily for educational purposes, helping me understand the practical application of circuit design. A freelancer with a background in electr...

I'm in need of an expert who can design a schematic for an electronic circuit. This is for a consumer electronics device and will include key features like sensor integration and DC motor control. Ideal skills and experience for the job: - Proficiency in electronic circuit design - Experience working with consumer electronics - Knowledge of DC motor control systems - Expertise in sensor integration - Familiarity with schematic design software Please provide examples of similar projects you've completed in your proposal.

Dear Colleagues, I need support to resolve my android programming problem. Please read the description below to have an idea of what was done in my code and what I need you to do. I started developing a MQTT client app using android studio (ja...connection retries in case of failure. What is the problem? As I am novice in android programming, I have difficulties to make background service working. Requirements: Strong experience with Android development and Java/Kotlin. Familiarity with background services, service binding, and lifecycle management in Android. Knowledge of handling background tasks efficiently to ensure performance and battery efficiency. ps: I will provide you with my latest version of code. Also, I will create a milestone and release it only when the problem ...

...am in need of a revolutionary charging port that caters to the modern need of 'scattered chargers'. This port should be capable of universal compatibility, allowing it to charge a variety of devices without the need for multiple, separate chargers. It should also support quick charging for efficiency. Key Aspects: - Functionality: The charging port should be designed to eliminate the chaos of scattered chargers, making it easy and efficient to charge devices in one central location. - Compatibility: This port should be able to charge any device, regardless of brand or type. - Quick Charging: The port should support quick charging to meet the fast-paced needs of today's tech users. Ideal Skills: - Product design - Electrical engineerin...

...electrical needs. --- Commercial Electrical Services 1. Tailored Solutions for Businesses: Office lighting installations. Power backup systems for uninterrupted operations. 2. Compliance and Inspections: Ensuring electrical systems meet safety standards. Scheduled maintenance to avoid downtime. 3. Energy Management Systems: Smart solutions for energy optimization. Installation of EV charging stations for modern workspaces. 4. Scalable Projects: Support for small businesses to large industrial setups. --- Why Choose Us? Certified and experienced electricians. Prompt service tailored to your specific needs. Transparent pricing and unmatched reliability. Conclusion: Summarize the value your services bring. Call-to-action: “Contact us today f...

...create * a detailed string diagram lay out and grounding cable diagram layout for a solar project and * calculate the exact meters of 6 mm DC cable, MC4 connectors and grounding cable needed for this layout plan. * a detailed electrical schema for the DC and AC connection based on the inverter and battery manuals + the UK grid norm. * I can supply the .dwg lay out plan for the panels The setup includes two 110 kVA string inverters and two 10 kVA hybrid inverters to feed a 30 kWh battery system. Key details: - Area for installation: 100-500 sq meters - Type of solar panels: 1732 x 1162 x 30 mm - Type of inverter: 2 pcs 110 kVA string inverters and two 10 kVA hybrid inverters - Number of solar panels: 588 pcs panels, 532 pcs on steeldeck and 56 pcs wall mounted. Can...

...Revolutionizing Electronics DesignOpenQQuantify, one of Savluc’s groundbreaking ventures, is transforming the landscape of electronics design. This platform leverages the power of generative AI to make complex electronics design processes more accessible and Features of OpenQQuantify:AI-Driven Design Assistance: The platform uses advanced AI algorithms to simulate, suggest, and optimize circuit designs.Open-Source Approach: By making the platform open-source, OpenQQuantify ensures that cutting-edge design tools are available to everyone, from seasoned professionals to curious and Complexity Reduction: The AI-assisted design process significantly reduces the time and resources needed for electronics ’s vision aligns perfectly with Savluc’s mission

...user experience. Requirements: Proven experience in custom WordPress development (themes, plugins, etc.). Strong background in web scraping (e.g., Python, PHP, or other suitable tools). Familiarity with file generation and processing tools. Excellent problem-solving skills and attention to detail. Knowledge of optimizing WordPress sites for performance and scalability. DO NOT APPLY IF YOU ARE CHARGING MORE THAN 500uSD...

I'm in need of a talented developer with proven experience in custom WordPress development and web scraping. The primary goal is to create a web scraping tool that can automatically search for general job opportunities on job boards. Key Responsibilities: - Develop a web scraping tool that targets general job boards without relying on APIs. - Create a custom Wo...and attention to detail. This project is a perfect fit for you if you have a passion for creating seamless, user-friendly web experiences and can effectively implement complex functionalities. Please provide examples of your previous work that align with this project. -I WILL NOT BE PAYING MORE THAN 500USD, DO NOT APPLY IF YOU WANT TO CHARGE MORE THAN THIS. I WILL GO WITH THE TOP DEV WHO IS CHARGING THE LOWEST PRIC...

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I need a professional logo for my company, 'Elzo Group,' which specializes in both construction and IT services. The logo should reflect a modern and futuristic style while representing both industries. Use a building graphic to symbolize construction. Incorporate circuit patterns or IT-related elements. Preferred color palette: Blue, orange, and white with gradients. The text 'ELZO GROUP' should be bold and modern, with a tagline 'CONSTRUCTION & IT' in a complementary style. The logo must have a sleek and symmetrical design, suitable for both digital and print media.

...developer with proven expertise in GPS integration. The primary purpose of this integration is to track user locations with high precision. Key Responsibilities: - Implement GPS tracking functionality within a React Native app - Ensure high-accuracy tracking - Develop features for real-time monitoring, user activity history, and location-based notifications - Optimize GPS tracking to minimize battery consumption - Integrate with mapping services like Google Maps or Mapbox - Implement geofencing to trigger events when users enter or exit a defined area Ideal Skills: - Extensive experience with React Native - Proven track record in GPS integration - Strong problem-solving skills - Excellent understanding of real-time data processing - Ability to create location-based features Pl...

I need a PCB design expert to help me finalize my PCB design for production. The circuit sketches, dimensions, and component lists have already been prepared. Key Requirements: - Adherence to Standard Design Rules: The PCB should follow standard design rules without any high-density or high-frequency considerations. - Single Layer Design: This PCB will be a single layer. - Manual Routing: The PCB design requires manual routing, not auto-routing or a mix of both. Deliverables: - A .Pcb file that is ready for production Ideal Skills: - Proficiency in PCB design software - Experience with manual routing - Strong understanding of standard design rules

I'm looking for a freelancer who can assist me with the simulation of a robotic arm (a simplified 3D model has already been imported) in MATLAB Simscape Multibody. The project involves customizing existing polynomial trajectory blocks to test joint motion. Each of the arm's 13 joints will be equipped with a DC motor control circuit, following a provided schematic. The shoulder, elbow, and wrist joints can move up and down, while the fingers are limited to gripping motions. Start your proposal with AOA and plz keep it short. Key Responsibilities: - Customize existing polynomial trajectory blocks to adjust joint angle limits. - Setup for testing joint angles (q) without considering velocity (qd) or acceleration (qdd). Ideal Skills and Experience: - Proficiency in MATLAB Si...

I'm looking for a graphic designer to create a large-scale (approximately W10m x H3m) billboard image for me. The design should have a 'sci-fi sleek' aesthetic and prominently feature a glass canopy, electric vehicle (EV) chargers, and a futuristic car. A bright, neon color scheme should be used to make the design eye-catching and engaging. Ideal skills and experience for this project: - Proficiency in graphic design software (e.g., Adobe Illustrator, Photoshop) - Experience with large format designs - Strong understanding of 'sci-fi sleek' aesthetic - Ability to create engaging, vibrant designs - Experience with designing billboards or large format prints I already have an image, and would need the designer to replicate this in a large format for OOH advertisin...

...competence, reflecting the nature of financial transactions. Emotional Connection: The logo should feel inviting, friendly, and helpful, encouraging users to interact with the avatar. It should inspire confidence and trust. AI Subtle Hint: The design should subtly suggest the AI nature of the avatar without resorting to cliché or overly technical representations (e.g., avoid overly robotic or complex circuit board imagery). Think more along the lines of intelligent design, flowing connections, or abstract representations of data processing. Simplicity and Memorability: The logo should be easily recognizable and memorable, allowing users to quickly identify the fintech AI avatar. Scalability: The logo must be effective at various sizes, from small app icons to larger websit...

I'm looking for a designer who can create a two-way siren system for industrial use. The system must be able to communicate via radio and primarily serve the purpose of emergency alerts. Key Requirements: - 100m Range, - ...industrial use. The system must be able to communicate via radio and primarily serve the purpose of emergency alerts. Key Requirements: - 100m Range, - Ability to connect up to 30 devices - Each device has a siren and light - Battery (12v) powered - See on their video you can set the radio number for pairing - Disconnection warning The system will need to be robust enough for an industrial setting and capable of broadcasting emergency alerts. The power source for the sirens will be battery-powered, so considerations should be made for energy...

Job will be to program a small capacitive IPS, TFT LCD touch screen controller to a remote 12-channel relay board. UART2: TTL/CMOS. communications. There is software available for the small 2.1 inch touchscreen and menu icons, and to assist in firmware. The relay board would prefer to utilize Raspberry Pi Arduino and use pre-configured circuit board. for 12v relay outputs. The outputs will be controlled by the touch screen controller's selection icons and menu's. The conclusion is to have a circular touchscreen controller with visible picture/icons that will: 1) push to activate an ignition relay. 2) Menu's to activate all additional relays on/off functions with picture icons for each selected choice. Price: $50-100

I'm working on a digital circuit design project focused on a finite state machine (FSM) for a lock system. I need assistance with the design and implementation using VHDL on a Basys3 FPGA board. Ideal Skills: - Proficiency in VHDL - Experience with digital circuit design - Familiarity with FSMs Key Tasks: - Design a FSM for a lock system - Implement the design using VHDL - Test the design on a Basys3 FPGA board Please provide examples of similar projects you've completed in your proposal.

I'm looking for an expert in electrical engineering to design a circuit for a small wind turbine that will power a submersible fountain water pump. The maximum power output of my wind turbine is less than 20 watts. Key Tasks: - Design a circuit that can efficiently harness the wind turbine's power to operate a submersible pump. - Integrate an automatic on/off switch for the fountain water pump into the circuit. Ideal Skills: - Proficiency in circuit design, particularly for renewable energy sources. - Experience working with small wind turbines and submersible pumps. - Ability to design and integrate control systems into electrical circuits. Please ensure you are able to deliver a robust and reliable design, as this will be used to power a fountain...

I'm in need of a compact, battery-powered camera module and custom built microcontroller designed for eye-tracking. This module should: - Operate in infrared wavelengths - Connect to a small, custom-built microcontroller - Support wireless streaming of the camera feed - Provide 1080p quality video without auto-focus The camera will be situated near the eyes, so size and weight are critical considerations. The wireless communication protocol for this project is Wi-Fi, and the power source is a battery. Ideal candidates will have experience with camera module design, microcontroller integration, and wireless technology. Please note, the primary application for this camera has not been specified yet, so flexibility and adaptability will be key.

I need an advanced ESP32 developer to help me connect...external DAC or codec. I want to use the internal DAC and ADC and connect to a TRRS adapter. Your guidance and code will be crucial for this project. Working code But this assumes an external dac and adc according to my knowledge I want to use internal one and connect it to the 3.5mm adapter. I need a circuit diagram and code. Key Requirements: - The device must support answering and ending calls. - Expertise in ESP32 development is a must. - Previous experience with Bluetooth and audio processing on ESP32 is a plus. - Ability to provide clear guidance and code. I am looking for a professional who can work with me on this exciting project.

I need a developer to assist in building an electric vehicle (EV) charging app. The primary function of this app is to help users locate charging stations. Key Features: - Interactive map pinpointing nearby charging stations - Real-time updates on station availability The app should also have comprehensive features for managing charging sessions: - Ability to start/stop charging remotely - Tracking of charging status in real-time - Setting charging schedules For user authentication, I prefer a simple and secure email and password system. Ideal Skills and Experience: - Proficient in mobile app development (iOS/Android) - Prior experience with location-based services - Knowledge of EV charging infrastructure - Strong understandin...

We are seeking a skilled freelancer to help design the schematic PCB circuit diagram and develop the firmware for a Smart Tree Pot device that integrates multiple sensors and displays 70+ expressions on a screen. The device will monitor various environmental factors such as moisture, temperature, light and respond with visual expressions on a display based on the sensor data. The goal of this project is to create a system where the tree pot responds interactively to its environment with a range of dynamic expressions, making the device not just functional but also visually engaging. Project Requirements: 1. PCB Circuit Design: o Design the schematic circuit diagram for the Smart Tree Pot. o Integrate sensors for soil moisture, temperature, light to monitor plant co...

Hello, I'm looking for an electronic engineer with power electronics experience to design an external circuit that can be connected to an existing Buck power supply. The goal is to inject a variable current (0 to 200 mA) controlled by PWM into the switching node to adjust the average current supplied to an LED array. Project Details: (PLEASE CHECK THE ATTACHED IMAGES) Current System: Type of Supply: Buck Converter (SMPS) AC/DC Output: Constant current of 200 mA at 135V for an LED array. Access: Only to the output connector where the LEDs are connected; no access to the internal components of the power supply. Design Objective: Variable Current Injection: Create a circuit that can inject between 0 and 200 mA into the switching node using a PWM signal. Average Curren...