Electronics

Project Brief: Stealth-Modified Automatic Parking Disc (Certified for Public Road Use in Germany) Project Goal: I want to technically modify a certified electronic parking disc approved for use in Germany... (Budget: €30 - €250 EUR, Jobs: Automation, Circuit Design, Control Engineering, Electrical Engineering, Electronics, Embedded Systems, Hardware Security Module, Mechanical Engineering, Microcontroller, Prototyping)

I have a production-level, ESP32-based board that measures high voltage and current through external sensors feeding an ADC. Right now each unit is hand-calibrated; the engineer sits, pushes test points, captures raw data, tweaks offsets, and repeats... (Budget: ₹1500 - ₹12500 INR, Jobs: Automation, C Programming, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Firmware, Microcontroller)

We are seeking an experienced Electronics Engineer with strong expertise in PCB antenna design to develop a modular interactive hardware system for a public exhibition environment. The system includes:... (Budget: $30 - $250 USD, Jobs: Antenna Design, DFM (Design for Manufacturing), Electronics, Embedded Systems, PCB Design and Layout, PCB Layout)

1. System Overview * Total batteries to be charged simultaneously: 100 Li-Ion batteries * System divided into 5 racks, each rack charging 20 batteries * Each rack will have one dedicated charging circuit (PCB) 2... (Budget: ₹1500 - ₹12500 INR, Jobs: Circuit Board Layout, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, PCB Design and Layout, PCB Layout, Prototyping, Schematics, Testing / QA)

I’m building a self-contained digital photo frame that wakes up only when someone is nearby, plays locally stored photos and short videos, then goes back to sleep to conserve every milliamp. I already have the core idea; I need you to turn it into a working hardware-plus-firmware solution... (Budget: €250 - €750 EUR, Jobs: C Programming, Digital Design, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, Product Development, Prototyping)

I need a skilled LabVIEW developer to modify the reporting output presented in PDF. Requirements: - Modify existing LabVIEW program to update the formatting styles of the PDF report. - Update the titles of some fields in the report... (Budget: $750 - $1500 NZD, Jobs: Arduino, Electronics, LabVIEW, PDF, PLC & SCADA, Programming, Software Development, Software Engineering)

I'm seeking a skilled developer to create fully emulated firmware for a DMA card. The firmware must be compatible with Windows and able to emulate certain functionalities, specifically: 100% CFG Your... (Budget: $30 - $250 USD, Jobs: Arduino, C Programming, C++ Programming, Electronics, Microcontroller)

I regularly buy electronics that can’t be shipped directly to Pakistan, so I need a reliable partner living anywhere in Florida who will act as my U.S. forwarding address. Your role is straightforward:... (Budget: $30 - $250 USD, Jobs: Electrical Engineering, Electronics, Freight, Logistics, Manufacturing Design, PCB Layout, Shipping, Supply Chain)

A compact control board will sequence four 5 – 12 V DC motors from an on-board ESP32. All commands and feedback will move through the ESP32’s UART pins, so routing must keep those traces clean and short... (Budget: ₹1500 - ₹12500 INR, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Motor Control, PCB Layout, Prototyping)

I'm looking for an expert in power electronics to design a conversion system for my industrial equipment. The project consists of two parts: 1. Designing a boost converter that will convert 50 -90 Volt DC to 230 Volts DC 2... (Budget: ₹12500 - ₹37500 INR, Jobs: Circuit Design, Electrical Engineering, Electronics, Engineering, Matlab and Mathematica, Power Converters)

I’m taking an induction cook-top from concept to market and need a complete PCB solution—hardware and firmware—that is ready for commercial production. The board must handle precise temperature control... (Budget: ₹75000 - ₹150000 INR, Jobs: Documentation, Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Product Design)

I’m ready to turn a clear functional outline into a polished FlutterFlow application. The core of the job is enabling simultaneous Bluetooth LE connections to both a cadence sensor and a heart-rate sensor, then streaming that data live to the trainee’s phone... (Budget: $30 - $250 USD, Jobs: Android, Bluetooth Low Energy (BLE), Data Management, Electronics, Flutter, iOS Development, iPhone, Mobile App Development)

I have a detailed technical PDF describing a custom multi-sensor embedded system. I need one functional prototype for internal research. No industrial design, no mass production, no certifications. The... (Budget: $1000 - $1500 USD, Jobs: Arduino, ARM, C Programming, C++ Programming, Electronics, Embedded Systems, Microcontroller, PCB Design and Layout, PCB Layout, RTOS)

I need a complete, publication-ready paper (4,000–5,000 words) on “Research on RF Fingerprint Recognition Technology for Wireless Communication Based on Multiwavelet Analysis.” The manuscript has to... (Budget: $750 - $1500 USD, Jobs: Data Analysis, Electrical Engineering, Electronics, MATLAB, Python, Research Writing, Signal Processing, Technical Writing)

Design and prototype a thin, comfortable skin patch that: Detects sweat onset + moisture level (hydration/sweat rate proxy), and Measures a set of sweat biomarkers, including at least one hormone marker (e.g., cortisol) plus key biochemical markers (electrolytes, metabolites) as well as pH... (Budget: £750 - £1500 GBP, Jobs: Biomedical Engineering, Computational Fluid Dynamics, Data Analysis, Data Visualization, Electronics, Embedded Systems, Prototyping)

Design and prototype a thin, comfortable skin patch that: Detects sweat onset + moisture level (hydration/sweat rate proxy), and Measures a set of sweat biomarkers, including at least one hormone marker (e.g., cortisol) plus key biochemical markers (electrolytes, metabolites) as well as pH... (Budget: £750 - £1500 GBP, Jobs: Biomedical Engineering, Computational Fluid Dynamics, Data Analysis, Data Visualization, Electronics, Embedded Systems, Prototyping)

I’m preparing for a bottle-sumo challenge and need a complete SPIKE Prime build that can aggressively push bottles out of the ring. I’ll supply the standard SPIKE Prime core set; what I’m missing is a proven design, the programs, and clear build steps... (Budget: $10 - $150 USD, Jobs: CAD/CAM, Electronics, Finite Element Analysis, Mechanical Engineering, Motor Control, Programming, Python, Robotics)

I need a complete engineering blueprint for a small tracker that can be fastened to any asset and determine its position inside a building by scanning nearby WiFi access points. Every 15-30 minutes (configurable) the unit must wake, calculate its coordinates, and post them to my cloud back-end... (Budget: $3000 - $5000 USD, Jobs: Electrical Engineering, Electronics, Embedded Systems, Microcontroller, MQTT, REST API, WiFi, Wireless)

Necesito un ejemplo funcional que muestre cómo conectar y utilizar la memoria RAM APS1604M-3SQR con un microcontrolador STM32H562RGT6 a través de la interfaz OCTOSPI trabajando en modo mapeado en memoria... (Budget: $10 - $30 USD, Jobs: Arduino, C Programming, C++ Programming, Debugging, Electronics, Embedded Systems, Microcontroller, STM32)

I need an ABB-certified service engineer who can come to our plant, inspect both our ACS 800 and ACS 5000 drives, pinpoint whatever is keeping them from running, and carry out the full repair on the spot... (Budget: ₹75000 - ₹150000 INR, Jobs: Electrical Engineering, Electronics, Engineering, Mechanical Engineering, Technical Support, Troubleshooting)