Electronics

I’m building a small arcade-style attraction made up of six identical stations. Each station will recognise when its hand-held controller is lifted by means of a magnetic sensor—or any other proper kind of sensor —then launch a three-minute countdown... (Budget: $250 - $750 CAD, Jobs: Arduino, Circuit Design, Documentation, Electrical Engineering, Electronics, Embedded Systems, Game Development, Microcontroller, Prototyping, Software Development)

I have a commercial IR-band Laser device with essentially two "Modes" - NORMAL and TRAINING, or restricted. Switching between the two can only be accomplished by accessing the Firmware via a proprietary 8-pin connection, for which I do not have a cable or interface... (Budget: $500 - $1000 USD, Jobs: Circuit Design, Consumer Products, Electronics, Embedded Systems, Firmware, Local Job, Microcontroller, Signal Processing)

Looking for an Engineer with strong experience in industrial automation, control systems, and OT infrastructure. Freelancers should be proficient in following: ----->>> Configuration, maintenance and... (Budget: $30 - $250 USD, Jobs: Control System Design, Electrical Engineering, Electronics, Industrial Engineering, Instrumentation, Microcontroller, PLC, PLC & SCADA)

I'm in immediate need of an expert with PyroSim software experience who can provide a detailed fire simulation. Unfortunately, some considerations were missed initially, so it's critical that your knowledge is comprehensive... (Budget: ₹12500 - ₹37500 INR, Jobs: Electrical Engineering, Electronics, Engineering, Mathematics, Matlab and Mathematica)

Project Title: Convert traced sketch to precise PCB outline CAD drawing (DXF) Description: I have attached a traced sketch of a PCB outline with component placement references. The drawing was created by tracing, so it is not dimensionally accurate... (Budget: $10 - $30 USD, Jobs: 2D Drafting, 2D Layout, Circuit Design, Documentation, Electrical Engineering, Electronics, Mechanical Design, PCB Layout, Prototyping, Schematic Review)

I need an expert to set up Ignition SCADA and integrate it with one Allen-Bradley CompactLogix PLCs for monitoring an existing process. In addition we need a panel designed and integrated that will monitor compressed air and nitrogen... (Budget: $25 - $50 USD, Jobs: Automation, Circuit Design, Control Engineering, Data Visualization, Electrical Engineering, Electronics, Engineering, Instrumentation, PLC, Process Automation)

I am looking for an experienced mobile app designer/developer to help create the first prototype (MVP) of a mobile app Please let me know if you have experience designing sports performance or wearable technology apps, and if you can share examples of your previous work... (Budget: $250 - $750 AUD, Jobs: Arduino, Bluetooth, Electronics, Embedded Systems, GPS, JSON, Mobile App Development)

You will be the first line of defense for technical troubleshooting—fault codes, inverter resets, monitoring portal anomalies, sudden production drops—as well as the voice that guides owners on routine maintenance best practices... (Budget: €12 - €18 EUR, Jobs: Anomaly Detection, Customer Service, Documentation, Electrical Engineering, Electronics, Hubspot, Technical Documentation, Technical Support, Technical Writing, Troubleshooting)

I need assistance connecting my Panasonic VCR/DVD combo to my HDMI-based TV. I already have an HDMI converter or adapter. Requirements: - Experience with A/V equipment - Familiarity with HDMI connections... (Budget: £10 - £20 GBP, Jobs: A/V design, A/V Engineering, Arduino, Electrical Engineering, Electronics, PCB Layout, Technical Support, Troubleshooting)

We need a board that "translate" signal from DMX to led strip pixel adressable. Need to integrate RGB and RGBW pixel in various protocol, with clock or only data. Only one data signal needed (170 rgb... (Budget: €30 - €250 EUR, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Software, Embedded Systems, Microcontroller, PCB Layout, Prototype Design, Prototyping, Rapid Prototyping)

I need a double-layer, signal-processing board laid out in Altium Designer and prepared for fabrication at JLCPCB. The finished board will fit inside a 15 cm × 15 cm envelope, so component placement, routing, and keep-outs should respect that medium-size constraint... (Budget: $30 - $250 USD, Jobs: Altium Designer, Circuit Design, DFM (Design for Manufacturing), Electrical Engineering, Electronics, PCB Layout, Prototyping, Signal Processing)

I need a complete H∞-based control solution that lets my missile autopilot remain stable and reliable across a wide envelope of flight conditions and model uncertainties. The work starts from the nonlinear... (Budget: $10 - $30 CAD, Jobs: Control Engineering, Control System Design, Electrical Engineering, Electronics, Engineering, MATLAB, Matlab and Mathematica, Simulation)

I need the internal circuitry of the KK-82MS scientific calculator documented so I can design a drop-in replacement PCB. Your job is to open the unit, trace every relevant signal, and give me a clear map of what connects where... (Budget: €30 - €250 EUR, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, PCB Design and Layout, PCB Layout, Prototyping, Reverse Engineering, Technical Documentation)

I have a stable FreeRTOS-based firmware that currently compiles only under my portable Arduino IDE 1.8.13 setup for the SAMD51 MCU. I now want the project to build and run cleanly in the latest Arduino... (Budget: €250 - €750 EUR, Jobs: Arduino, C++ Programming, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, Software Development, Software Engineering)

Hello, **We only consider the QC from China only** I have a consignment of electric Product - Mosquito Diffuser that will be ready to leave the factory in Chengdu, Sichuan, and I need an experienced quality inspector on-site before it ships out... (Budget: $50 - $100 USD, Jobs: Documentation, Electrical Engineering, Electronics, Microcontroller, Product Descriptions, Report Writing)

I am looking for an experienced RF/antenna engineer to help optimise the performance of my dual-band antenna design integrated with a frequency selective surface (FSS). The antenna structure has already been designed and simulated... (Budget: $50 - $75 USD, Jobs: Antenna Design, Antenna Measurements, Antenna Services, Electrical Engineering, Electronics, Engineering, Mechanical Engineering, Simulation)

Hi, I'm looking for an experienced PCB designer to create a custom carrier/breakout PCB for a compact handheld device. No firmware or software needed — design only. Core Module: LILYGO TTGO T-Call V1.3... (Budget: $250 - $750 USD, Jobs: Arduino, Circuit Design, Electronics, Embedded Systems, Microcontroller, PCB Layout)

My Denon AVR drives a home theater system, and the moment the amplifier powers up the speakers erupt with a rolling, thunder-like rumble. The noise stops only when the unit is switched off. All speaker... (Budget: $250 - $750 AUD, Jobs: Audio Editing, Audio Engineering, Audio Services, Circuit Design, Electrical Engineering, Electronics, Engineering, Local Job, Troubleshooting)

I need a wearable solution to block radio frequencies (RF). This should be a full-body suit to shield me completely. Requirements: - Design and create RF-blocking full-body suit - Comfortable and breathable... (Budget: $250 - $750 CAD, Jobs: Electrical Engineering, Electronics, Fashion Design, Manufacturing Design, Materials Engineering, Product Design, Prototype Design, Textile Engineering)

Title: Mechanical & Electrical Engineers Needed for Bionic Arm Project (CAD + PCB Design) Description: I am developing a bionic prosthetic arm project and I’m looking for engineers to help with both the mechanical design and electronics/PCB design... (Budget: $100 - $150 USD, Jobs: 3D Modelling, 3D Printing, CAD/CAM, Electronics, Mechanical Engineering, PCB Layout, Robotics)