Electrical Engineering Jobs

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Hourly - Expert ($$$) - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
Someone who understands electronics enough to design circuit and schematic capture. I will need someone to transfer my schematic from a pdf to Altium or EagleCAD. I do not have time to do it myself. Job will require you to not only to draw schematic in a pcb software, but also create footprint of components that are not already in an existing library and detect any errors. Skills needed are knowledge of circuit design, layout design, and electronics in general. I will have schematic, BOM, and datasheets for completion of job. Additional key words: STM32, component selection, power and signal integrity, embedded hardware, firmware, integrated circuit, Lipo battery management IC, battery charging IC, IMU, wifi module, motor controller, video processing. The perfect candidate can easily transcribe schematic over to pcb design software and layout according to datasheet recommendations, but also suggest ways to reduce BOM, reduce PCB real estate, suggest components that may work better, etc. I need a team player who can stick around until prototype comes to life.
Skills: Electrical engineering Circuit Design Embedded Systems Microcontroller Programming
Fixed-Price - Intermediate ($$) - Est. Budget: $5 - Posted
We’re a startup company that is looking to manufacture a thermostat with a wifi radio, Bluetooth radio and pir sensor. We need help designing and prototyping our thermostat and are looking for engineers that have experience to do this type of work designing pcb and working prototype. This is phase 1 of the project. The work to be performed by the engineer: • Help select parts and create a BOM for lowest manufacturing cost • Design working schematic and PCB design and gerber • Verify and test the design to ensure that the electronic board is functional • Troubleshoot and make any necessary changes • Work with our team to perform functional testing in real life environments • Limited software development to help test the prototype • To be completed in one month We can provide detailed hardware specifications and other details before the start of the project. We’re only looking for responsible people who can meet deadlines and communicates quickly. Some English is required. The budget is to be determined, we will agree on a fixed price after you get the details of the project.
Skills: Electrical engineering PCB Design
Hourly - Expert ($$$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
Seeking an engineer that understands how to create a network of mobile radios communicating with a central dispatching office. The system is to be installed in Iran, so knowledge of Farsi is helpful. Some 30,000 taxis will be equipped with radios. The central dispatching office will call the closest vehicle to a pickup request, so the radios must be GPS-capable. Model 7000e, from Motorola seems to fit the bill for the in-vehicle radio. Your job is to determine the antennas type and location required to cover a large city, as well as the central-dispatching office equipment. From a cursory look at mobile radios from Motorola it looks like the 7000e series mobile radio may work, but you are the expert, so you tell us. The radios must be secured outside of the US, as Iran is under embargo.
Skills: Electrical engineering
Fixed-Price - Expert ($$$) - Est. Budget: $500 - Posted
I need a 40kW three-phase rectifier, based on the Vienna Rectifier topology. It will be used in a project for an electric vehicle charging station. Input is three-phase, 380V Output is 500V, 80A I need a complete design of the power circuitry, including the control circuit. Control could be analog or digital, although digital control is preferred. Full source code (C, or whatever language) for the digital PWM control should be provided. All components parameters must be calculated and included in the schematics. Digital simulation and basic analysis (performance, THD, ripple, etc) performed using software of choice. Use of rectifier modules, such as IXYS VUM33-05N is desired, although not an absolute requirement. A PCB layout is optional but will be accepted with a premium.​ Design a 40kW three-phase Vienna rectifier, for input voltage of 380V and output voltage of 500V. Build a simulation model using any software of choice (MATLAB, PSpice, Gecko, etc). Show simulation and analysis of efficiency, THD, output current and voltage ripple. Build complete schematics of the power and control circuits, with properly calculated parameters for each component. Specific part numbers required for stock components. All specific parameters required for custom inductors. The control circuit for the MOSFET transistors can be either analog or digital. Please specify in proposal. If a digital control will be implemented, design and develop code necessary for the PWM control, including a way of monitoring the current operational parameters via some communication protocol (UART, USB). All source code should be provided. [Optional] Build a PCB layout for all components, accounting for appropriate heatsinks. Expected timeframe is as follows: Basic rough design - 1 week Complete calculations and complete design, including simulation - 1 month Complete schematics and digital control source code (if applicable) - 1 month Complete PCB layout (if applicable) - 1 week There are tons of designs and analysis available on the Internet. You are free to use any one as basis and build on it. As long as your delivered schematics work.​ Experienced electrical engineer, electronic engineer, software developer (in case of digital control). We need a person or team with realistic views and proven record of quality deliveries.
Skills: Electrical engineering Electronic Design
Fixed-Price - Expert ($$$) - Est. Budget: $50 - Posted
The project is to develop a layout for Arduino Nano shield with the mentioned specifications. This job will require you to design an Arduino Nano shield, which will have RJ25 connections as a mode to connect the sensors. The shield should also have built in motor drives so that it can drive 4 DC motors and 2-4 servos. The shield should be made in such a way that it is compatible with most of the off the shelf digital and analog sensors (Arduino sensors). The shield should also have TX/RX as well as TCP/IP connections to support wireless connectivity. Finally this entire shield should be designed keeping mass manufacturing in mind. If you are interested for this job please apply first and then we can share a Product Specification Sheet with you which lists out the exact requirements.
Skills: Electrical engineering 3D Design Eagle Electronic Design
Fixed-Price - Expert ($$$) - Est. Budget: $2,000 - Posted
Stop Voleur is a connected wearable which prevent the loss and the theft of smartphones. Hung to a watch, a bracelet, a bag or a jacket, Stop Voleur is connected via Bluetooth to your smartphone and triggers an alarm as soon as it is spirited away from you. The further you are, the louder the alarm is. Thus, in case of theft, the robber is forced to give up the phone and leave shamefully. In the event of loss or omission, you are immediately notified by the alarm and just have to pick up your favorite item.
Skills: Electrical engineering 3D Printing Bluetooth Circuit Design
Hourly - Expert ($$$) - Est. Time: 3 to 6 months, 30+ hrs/week - Posted
HEVO Power is a Brooklyn based clean tech company developing wireless charging solutions for electric vehicles. Our expectations are to hire an experienced individual who has the skill set and proven work record to undertake analog and digital electronics design, and can take a project from start to finish encompassing all aspects of electronics design i.e. Analog Simulation and Design, Digital Electronics Design (Firmware and platform agnostic), Firmware development and integration, and PCB design, and physical system implementation. We also expect that you have already proven yourself to look beyond the available off the shelf ASICs, and can apply your research side when you feel limited by the landscape of available options. Must be located within New York City area. Top Reasons to Work with Us -Position immediately open -Have direct influence on core aspects of our products -Autonomy + Creativity -Global reach with projects and customers around the world -Collaborative small team -Get in at the ground floor Responsibilities -Work under the guidance of CEO, CTO, & customers and partners as a senior engineer -Continue current developments of resonant inverters and rectifiers -Participate in the design and creation of a functional positioning, and parking alignment system -Design a living object, and foreign object detection system -Provide sensor, signal processing, and other engineering expertise as may be required -Testing hardware, and programming software technology for application with various projects -Assist with hardware and software integration with various electric vehicles -Prepare technology for applicable UL certification and similar certifications -Integration of hardware technology with mobile app and cloud Required Proficiency in the following areas of technology -Power Electronics (Required) : You will have a proven design experience for high power single and three phase PFC > 2.5KW, along with proficiency in Resonant Power Converters, Analog compensation network design. -Electromagnetics (Required) : You will have a demonstrated experience of designing and simulating transformers for DC to DC power applications, Resonant Converters and Wireless Power Applications. -Analog Design (Required) : OPAMPS, Low Power Analog Design, Analog Filter Design, Analog Signal Processing, SMPS and Linear Power Supplies. Processing of uV level signals. Proven experience of designing RF front ends and circuits. -Semiconductors (Required): Proficient in designing with MOSFETS and BJTs and other discrete semiconductor devices. Designing with importance of thermal management and efficiency, JFET, SiC and GaN Technologies. -Digital Design (Required) : DSP, CPLD / FPGA Xilinx or Altera, Direct Digital Conversion, ADCs and DACs. Digital Design with various Microcontrollers and Microprocessors. -PCB Development (Required): well versed in IPC standard for PCB development, hi-speed PCB design using Altium Designer. MCAD to ECAD integration. -Systems Simulation (Required): LtSpice, pSpice, MATLAB, National Instruments LabView.Software Firmware: Major microcontroller platforms (8 / 16 / 32 bit) i.e. ST ARM, TI MSP430 , PIC8/16/24/32 , 8051x, TI DSP, etc. -Troubleshooting (Required): Experienced in troubleshooting complex analog and digital electronics systems. -Communications Systems Design (Nice to Have) : Abreast in implementation of popular wireless data communications protocols, and can develop custom solutions involving NFC or RF based solutions. TCP/IP and IoT platforms. Ethernet, USB. -System Documentation (Nice to Have): Operating Manual, Test Procedures, Manufacturing Documents and Plans. Required Qualifications -5+ years of experience in power electronics development -Previous technology commercialization experience -Proficient in power electronics (basic topologies: buck, boost, half-bridge, PFC, interleaving, etc.) -Proficient with resonant converters and ZVS -Experience with DSP programming, especially TMS320C2000 series (C language) -Experience with STM32 ARM microcontrollers (C language) -Experience with Altium Designer (schematic, PCB layout, manufacturing files generation) -Experience with serial communication (RS232, RS485, CAN) -Experience with magnetic components design (inductors and transformers) -Experience with EMI (filter design, solving EMI issues) Plus Skills -Experience with wireless power transfer (inductive charging) -Experience with automotive electronics -Experience with battery charging technologies Compensation -Full-time Contract: Salary Negotiable based on skills & experience -Employment Opportunities Available after 3 months
Skills: Electrical engineering
Hourly - Expert ($$$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
I am looking for a specialist in drone design that could give me an arrangement of equipments for a long distance range ( over 14 km ) and development of a software for remote control . Please let me know if is possibile (long range and view camera mode ) and a fixed price amount for both the requests .
Skills: Electrical engineering Mechanical Engineering