Electrical Engineering Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
I am looking an electrical engineer who can help us to take our idea into next step with a layout design. Our model test when well as expected and now we need an engineer to develop a pcba layout. Our objective is to switch ON-OFF home appliances and lights using our mobile app. The layout includes the following: 1. ESP8266 12E WIFI module along regulators to convert 5V to 3.3V 2. HC-05 Bluetooth module which take 3.3V from GPIO pin from WIFI Module 3. AC to DC converter for line voltage 220VAC to 5V 1A DC 4. SSD Relay to operate appliance. For a savvy engineer, this layout design will be done in couple of hours. Please contact for any discussion.
Skills: Electrical engineering Home Automation PCB Design
Fixed-Price - Intermediate ($$) - Est. Budget: $250 - Posted
Looking for someone with experience in electrical engineering, solar power tech (on a micro level) and product design, to create a simple 2" X 2" X 2" box that can be lined with a light sensing node that is capable of sending a signal to a remote receiver, preferably using a bluetooth like network or wi-fi compatible channel to carry out the communication. I have a rough outline of project objectives, product specs and a few sketches that can speak to the intended form factors. Please contact me for further details if you believe you could help me construct such a widget.
Skills: Electrical engineering Digital Engineering Product Design
Fixed-Price - Intermediate ($$) - Est. Budget: $400 - Posted
Looking for an individual who is experienced in designing integrated circuits. This contract will be for the design of an integrated circuit that contains an accelerometer, gyroscope, flash memory, bluetooth, and a female micro usb port, with a lipo battery connection. Must have experience in the past using PCB design software, and a past projects portfolio. This is at the moment a single project, but if the individual we choose to hire proves their capabilities, we will have more PCB design work for them in the future. We will be basing this chip off of a current prototype, the schematics of which will be provided upon hiring. C++ skills, and a strong electrical engineering background are a plus. Strong english required. Documentation and a more detailed description of the project can be provided upon request.
Skills: Electrical engineering English Integrated Circuits PCB Design
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
PSIM Analysis and Report of Converter Schematic I need to design a voltage controller in PSim for a dc-dc fully isolated converter and a simple boost converter where the controller parameters are checked , analyzed , tuned and chosen. Matlab, Matlab toolboxes and or simulink should be used for this process. There should be closed loop voltage control design (where necessary, with PI blocks, filters, comparators, voltage sensors, voltmeters, ammeters etc.) with reasons for block use and analysis on Control design. The circuit should simulate correctly with minimal ripple and smooth outputs. For the control design, where necessary, please include a Vreferecnce, error summer, pi block, and the gating signal should be appropriate with the reason for choice. I require a transfer function for the controller and converter with variable descriptions and component relation to variables in transfer function. I will give the spec on acceptance - they are kV converters. Design the converters for OPTIMUM efficiency and show calculation overall efficiency with Pin and Pout Values; also design for lowest losses with reason for use of components and how they increase efficiency of reduce losses. I'm trying to do an investigation looking at installed power in the semiconductors, size of passive components, evaluation of losses in semiconductors, losses in magnetic components and overall efficiency (so I need all these results with calculations, equations and reasons for use). The magnetic losses of the converter should be calculated with equations. Require files to be saved in PSIM 9.0. If you require reference papers for assistance, I can attach them as well. and a start as soon as possible. Figures should be copied from clip board as a bitmap file and analysed and explained. The report template will show and example. Stresses, losses, installed power etc. analyzeD. Need all files Psim, word and MATLAB. I have completed the circuits and need to check for optimum efficiency and output and operation. I require the equations to be laid out in the format shown in the template. PSIM and Matlab to be used. Will send attached file on acceptance. No time wasters please!
Skills: Electrical engineering Electrical Drawing Electronic Design Electronics
Fixed-Price - Intermediate ($$) - Est. Budget: $1,000 - Posted
Develop a flexible level sensor that will provide a precise resistance output based on the location of a magnetic field along the length of the sensor (circuit board). This design will not use reed switches. Ig interested, we would like to sign a Non-Disclosure agreement prior to sending product specifications.
Skills: Electrical engineering Mechanical Engineering PCB Design
Fixed-Price - Intermediate ($$) - Est. Budget: $75 - Posted
Hi there, I need an EXPERT in CONTROL SYSTEMS he has a good experience in these topics ( System modeling , Time response, Stability and steady-state error, Root locus, Controller design by root locus, Controller design by root locus, PID control, Nyquist stability criterion, Frequency response,Controller design by frequency response) To do a practical report please. I want it within 4 days ( by Saturday 28 May 12pm GMT)
Skills: Electrical engineering MATLAB Microcontroller Design