Electronics

IMPORTANT — NDA REQUIRED The freelancer must sign an NDA (Non-Disclosure Agreement) before receiving any detailed documents. No part of this design, concept, internal mechanism or visuals may be shared publicly or reused in other projects... (Budget: $250 - $750 USD, Jobs: 3D Animation, 3D Design, 3D Modelling, 3D Rendering, Electronics, Manufacturing Design, PCB Layout, Product Design)

I’m building a compact, battery-powered wearable that pairs a BLE-enabled microcontroller with several low-frequency coil drivers. The core of the job is to turn my draft architecture into a production-ready design and a working, bench-tested prototype... (Budget: €3000 - €5000 EUR, Jobs: Bluetooth, Electronics, Embedded Systems, iOS Development, Microcontroller, PCB Layout, Product Design, Signal Processing)

I need help programming a universal remote to control my Sony TV and surround sound system. Requirements: - Experience with universal remotes - Familiarity with Sony TV setup - Ability to integrate surround... (Budget: $15 - $25 USD, Jobs: A/V design, A/V Engineering, Arduino, Audio Engineering, Audio Services, Electrical Engineering, Electronics, Microcontroller)

I need production-ready firmware for a small, battery-powered GNSS device dedicated to personal tracking. The code must acquire precise location, fuse data from an accelerometer, gyroscope and temperature... (Budget: ₹1500 - ₹12500 INR, Jobs: Arduino, C Programming, C++ Programming, Cloud Computing, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, MQTT, RTOS)

I already have a proven ESP32-based coprocessor board for the TI-84 calculator and a comprehensive PDF that locks down every detail—final schematics, part numbers, annotations, and physical assembly notes... (Budget: $250 - $750 USD, Jobs: 3D CAD, CAD/CAM, Circuit Design, Electrical Engineering, Electronics, PCB Layout)

Necesito presentar mi trabajo final de electrónica y busco a alguien que pueda encargarse de todo el desarrollo, desde la idea hasta la entrega física del prototipo. El proyecto incluye el diseño y ensamblado... (Budget: $30 - $250 USD, Jobs: Circuit Design, Electronics, Embedded Systems, Graphic Design, PCB Layout, Powerpoint, Prototyping, Technical Documentation)

I'm seeking a skilled illustrator to create a fully labeled schematic of an industrial washing machine for manufacturing purposes. Key Requirements: - Accurate and detailed representation of the machine... (Budget: $250 - $750 USD, Jobs: 2D Drafting, 3D CAD, 3D Design, 3D Modelling, CAD/CAM, Electronics, Graphic Design, Illustration, Industrial Design, Product Design)

I'm looking for a device that can detect water and send a signal to another device to activate a motor. Requirements: - A water sensor (preferably a float switch, conductive sensor, or ultrasonic sensor)... (Budget: £20 - £250 GBP, Jobs: Bluetooth, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, Motor Control, Signal Processing, Wireless)

I’m planning a custom display box to place in my display cabin for 2 of action figures . The compartment will be placed in the top shelf of my display cabinet must stay non-transparent , while its... (Budget: £20 - £250 GBP, Jobs: Automation, Electrical Engineering, Electronics, Home Automation, Mechanical Engineering, Product Design, Prototyping, Robotics)

Job Title: PCB & Embedded Systems Engineer for Advanced 3-Phase Smartmeter Design We are developing a compact, high-performance 3-phase smartmeter designed to monitor energy usage, control smart loads, and support modern communication protocols... (Budget: €12 - €18 EUR, Jobs: CAD/CAM, Circuit Design, Electrical Engineering, Electronics, PCB Layout)

Requiero el diseño completo de una placa de circuito impreso (PCB) para un ecualizador activo de 3 bandas con amplificador de salida, basado en el esquema ya definido (adjunto). El trabajo se limita exclusivamente al diseño y entrega de archivos digitales; no se necesita fabricación ni ensamblaje... (Budget: $10 - $30 USD, Jobs: Audio Engineering, Circuit Board Layout, Circuit Design, Electrical Engineering, Electronic Design, Electronics, PCB Layout, Product Design, Prototyping, Signal Processing)

I am building an AI-driven flow that pinpoints stuck-at faults while a VLSI circuit is still in the design phase. Rather than relying on exhaustive manual test-bench creation, I want a simulation-based... (Budget: ₹1500 - ₹12500 INR, Jobs: Data Analysis, Deep Learning, Electronics, Machine Learning (ML), Matlab and Mathematica, Neural Networks, Python, Simulation)

I’m putting together a small, handheld dub siren for my own jams and would like an experienced electronics engineer to turn the idea into a working unit. The box must run on batteries and let me sculpt classic reggae-style sweeps as well as more experimental tones... (Budget: ₹1500 - ₹12500 INR, Jobs: Arduino, Circuit Design, Electrical Engineering, Electronics, Engineering, Microcontroller, PCB Layout, Raspberry Pi)

The new banquet hall is still on the drawing board, so this assignment covers every electrical detail that must be frozen before construction begins. I need a complete engineering package—circuit layouts,... (Budget: ₹600 - ₹1500 INR, Jobs: AutoCAD, CAD/CAM, Circuit Design, Compliance, Control System Design, Electrical Engineering, Electronics, Excel, Lighting Design, Technical Documentation)

I need a control system for a firefighter training center in Malaysia. This system will safely manage the ignition of controlled fires for training purposes. Key Requirements: - Physical switches for... (Budget: $30 - $250 USD, Jobs: Alarm Systems, Automation, C Programming, Control Engineering, Electrical Engineering, Electronics, Engineering, Fire Alarm Design, Project Management, Technical Support)

Project Description I am looking for an experienced PCB designer to create a modular ESP32-based relay controller in EasyEDA. The design will use a single 6-relay PCB, which can also be built as 2-, 3-, or 4-relay variants by leaving components unpopulated (DNP – Do Not Populate)... (Budget: $250 - $750 USD, Jobs: Electrical Engineering, Electronics, Embedded Systems, Microcontroller, PCB Layout, Prototyping, Signal Processing)

Descripción del Proyecto: ​Somos Probulón, una startup de seguridad. Tenemos el diseño de nuestro prototipo final y necesitamos un Ingeniero Electrónico experto en ESP32, gestión de potencia y fiabilidad para una consultoría crítica... (Budget: $30 - $250 USD, Jobs: Circuit Design, Electronics, Internet of Things (IoT), Microcontroller, PCB Layout)

I need an experienced developer to create an embedded system using the STM32F411CEU6 microcontroller. The project is digital output using amplifier. Key Requirements: - Develop in C - Experience with... (Budget: $30 - $250 USD, Jobs: Arduino, C Programming, Circuit Design, Debugging, Digital Signal Processing, Electronics, Embedded Systems, Microcontroller, Signal Processing, STM32)

Necesito un ingeniero electrónico que lleve el desarrollo del circuito y la placa para un gadget portátil de electrónica de consumo que estamos preparando. El dispositivo contará con pantalla no táctil(control... (Budget: €30 - €250 EUR, Jobs: Circuit Design, Electronics, PCB Design and Layout, PCB Layout, Prototyping, Visual Design)

My current prototype relies on a microcontroller-based platform built around an ARM family device. I already have the basic hardware in place, but I need an engineer who can close the loop between the piezoelectric drive circuitry and the embedded code that commands it... (Budget: €250 - €750 EUR, Jobs: ARM, C Programming, C++ Programming, Control Engineering, Electronics, Embedded Systems, Mechatronics, Microcontroller, Prototyping, Signal Processing)