Electronics
190 mm Circular LED MCPCB
I need a single-layer metal-core PCB that is perfectly circular with a 190 mm diameter and will hold 21 high-power LEDs with the following details: We have a requirement of Metal Core PCB for LED lighting with the details: 1... (Budget: ₹600 - ₹1500 INR, Jobs: Circuit Design, Electrical Engineering, Electronics, PCB Design and Layout)
Mechatronics/Robotics Freelancer Needed – Prototype Development for AI-Powered Automated Cooking Machine (Hardware + Firmware)
# Delhi NCR candidates only pls , Lab facility and equipments will be provided by us We are an early-stage hardware startup developing an AI-powered automated home cooking machine. The device prepares... (Budget: ₹12500 - ₹37500 INR, Jobs: AI (Artificial Intelligence) HW/SW, Arduino, Electrical Engineering, Electronics, Machine Learning (ML), Mechatronics, Microcontroller, PCB Layout, Raspberry Pi, Robotics)
Técnico salvaescaleras autónomo en España
Formo parte de una empresa especializada en la instalación y reparación de sillas salvaescaleras y plataformas elevadoras. Busco profesionales autónomos que quieran integrarse en nuestra red de mantenimiento por todo el territorio español... (Budget: €30 - €250 EUR, Jobs: Customer Service, Electrical Engineering, Electronics, Installation, Machinery, Technical Documentation, Technical Support, Troubleshooting)
Precision Motor-Based Medical Device Development - 23/03/2026 06:40 EDT
Job Requirement – Precision Motor-Based Medical Device Development We are seeking a freelancer or product development expert to help bring a medical-related device from concept to working prototype. The... (Budget: ₹37500 - ₹75000 INR, Jobs: Arduino, Electrical Engineering, Electronics, PCB Layout, Product Design)
Arduino Fragrance Dispenser Prototype
I need a rough-and-ready fragrance dispenser that lets me showcase three separate scents from one compact unit (about 30 × 20 × 15 cm, but feel free to tweak dimensions if it makes wiring or bottle placement easier)... (Budget: $250 - $750 AUD, Jobs: Arduino, CNC, Electronics, Microcontroller, Product Design, Programming, Prototyping, Video Production)
Refinement and Construction of Sound Circuit Board
Design and build a circuit board to make machine gun sound by pushing a button. I have the basic design but it needs to be refined and then built. I am looking for help to build a circuit board that will make machine gun sounds when a push button is pushed... (Budget: $750 - $1500 USD, Jobs: Audio Engineering, Audio Production, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, Sound Engineering)
Electrical Layout Excel Spreadsheet
I need an Excel spreadsheet to track electrical circuits. The spreadsheet should include: - Circuit Number (in numeric format) - Amperage - Reading Number - Description (either floor or device) - Color... (Budget: $10 - $30 USD, Jobs: Circuit Design, Data Analysis, Data Entry, Data Management, Electrical Engineering, Electronics, Engineering, Excel, Microsoft Office, Project Management)
ESP32-S3 High-Frequency Tachometer
Help me solve something multiple freelancers havent been able to. I need a rock solid circuit that reads a pulse from a wire wrapped around a spark plug wire of a small engine, filters the noise, and sends a clean pulse to an esp32-s3... (Budget: $250 - $750 USD, Jobs: Arduino, Circuit Design, Debugging, Digital Signal Processing, Electrical Engineering, Electronics, Embedded Systems, Signal Processing)
GSM-Controlled Residential Gas Safety System
Request for Quote – Residential Gas Safety Device GSM-Only (SMS + Voice Calls) + Auto 220V Fan – No App, No WiFi Hi, I’m looking for a skilled embedded engineer or small team to build a solid, production-ready... (Budget: $250 - $750 USD, Jobs: Android, Electrical Engineering, Electronics, Embedded Systems, Industrial Design, Mobile App Development, Prototyping, Signal Processing)
Install Jeep Liberty Stereo & Camera
I’m ready to upgrade my 2010 Jeep Liberty with a Pioneer DMH-1500NEX double-DIN head unit and a license-plate-frame backup camera. The previous aftermarket stereo is already out, so dash access is clear... (Budget: $30 - $250 USD, Jobs: Automotive, Automotive Engineering, Electronics, Installation, Microcontroller)
28 GHz RF downconverter with IF 5-6Ghz
I have a working schematic for a double-balanced Gilbert mixer aimed at 28 GHz in a 65 / 60 nm CMOS flow on Cadence Virtuoso (ADE L/XL). The core blocks—RF matching network, current-commutating mixer pair... (Budget: $30 - $250 USD, Jobs: Analog / Mixed Signal / Digital, Electrical Engineering, Electronics, Engineering, Microcontroller, Simulation)
Equine sensor for horses
I am currently looking for a manufacturing partner to develop a girth-mounted equine performance sensor as part of a product The goal of this device is to monitor heart rate, speed, and recovery metrics during training... (Budget: $250 - $750 AUD, Jobs: Arduino, Bluetooth, Electronics, Embedded Systems, GPS, JSON, Mobile App Development)
ESP32-Based Router Board PCB Design
I need an experienced PCB designer to convert my fully working and tested hardware prototype into a final production-ready single board PCB. Complete handoff document is ready to share immediately after... (Budget: ₹1500 - ₹12500 INR, Jobs: Altium Designer, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, PCB Layout, Technical Documentation)
Outdoor LED Industrial Interval Timer
I need a robust industrial-grade timer that can live outdoors year-round and give workers a crystal-clear readout on a bright LED display. The core feature is fully programmable intervals: the user must... (Budget: $250 - $750 USD, Jobs: Arduino, Electronic Design, Electronics, Embedded Systems, Industrial Design, Mechanical Design, Microcontroller, PCB Layout)
230V 80 kHz Coupler Design
I already generate 6 V pp single-burst pulses at 80 kHz with a Teensy 4.1; now I need the interface that safely injects those bursts onto a 230 V / 50 Hz mains line (each phase) and also lets me read them back... (Budget: €30 - €250 EUR, Jobs: Electrical Engineering, Electronics, Embedded Systems, Microcontroller, PCB Layout, Prototyping, Signal Processing)
Bangladesh BSTI Certification Survey
I need concise, well-sourced answers on whether specific industrial electronics—UPS (HS 850440), Digital Multimeter (HS 903033), Analyzer (HS 902780), Battery Pack (HS 85065), Cable Assembly (HS 8544),... (Budget: $30 - $250 USD, Jobs: Compliance, Data Analysis, Data Collection, Documentation, Electronics, Excel, Market Research, Report Writing, Research, Survey Research)
4G Communication Smartwatch Hardware Design
I want to bring a new smartwatch to life whose core job is keeping users connected. The watch must handle 4G LTE data, Wi-Fi and Bluetooth without compromise, then manage power efficiently so real-world battery life feels practical, not theoretical... (Budget: ₹37500 - ₹75000 INR, Jobs: Antenna Design, Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Product Design, Prototyping, Wireless)
TCD1304 CCD Sensor FPGA
TCD1304 CCD Sensor FPGA Project I am looking for a skilled freelancer to assist me in designing a TCD1304 CCD sensor FPGA project. The project requires the following: Sensor read the value of every pixel... (Budget: $750 - $1500 USD, Jobs: Circuit Design, Electronics, FPGA, Microcontroller, Verilog / VHDL)
STM32 SPI Firmware Development
I have a custom board built around an STMicroelectronics MCU and I need a clean, well-structured C firmware that turns the chip into an I2CSPI host. The main job of the code is twofold: first, to issue... (Budget: $30 - $250 USD, Jobs: Arduino, C Programming, Documentation, Electronics, Embedded Systems, I2C, Microcontroller, STM32)
Robotics Engineer Needed for Kinematics, Path Planning & Trajectory Optimization (Robotic Arm)
I am looking for an experienced robotics engineer to develop a complete motion system for a robotic arm, including: Scope of Work: • Develop Forward Kinematics (FK) and Inverse Kinematics (IK) • Implement... (Budget: $250 - $750 USD, Jobs: Algorithm, CUDA, Electronics, MATLAB, Matlab and Mathematica, Python, Robotics, Simulation)
Tweetbig - Twitter Rocket Fuel
The Greatest Web-based Twitter Software. Tweetbig Is Like Rocket Fuel For Your Twitter Account. You Can Manage Multiple Accounts, Schedule Tweets, Post From Rss Feeds, And Find The Fastest Path To More Followers With Our Keyword And User Gathering Tools
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