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Results for 'Analog Electronics'
Fixed Price: Less than $500   |  Posted: 17h, 49m ago  |  Ends: 14d, 5h  |   9 Proposals
I'm looking for an electrical engineer to design the following: A circuit receives variable voltage from an SCR dimmer: (  [obscured]  /wiki/File:Lightdimmer_with_diode_bridge.svg) and passes it through to a load (a lightbulb). When the light bulb blows out, the device automatically switches the power to a backup light bulb.
Category: Electrical       

a****pel
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| a****pel
|    United States
Fixed Price: $30 - $100   |  Posted: 21h, 27m ago  |  Ends: 14d, 1h  |   16 Proposals
I need an electrical engineer to help me design a PCB for a strain gauge indicator. I have most of the schematic already, but will also need some help connecting the already-designed circuit to the PIC18F, so some research may be in order if you don't know how to use the PIC18F. Attached is the schematic. Hope to hear from people soon and hope to get this done as soon as possible! :) Note: I will handle all the manufacturing myself.
Category: Electrical       

c****liu
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| c****liu
|    United States
Fixed Price: $500 - $1,000   |  Posted: Feb 22, 2015  |  Ends: 8d, 13h  |   4 Proposals
Hello I need a person who can develop electronics for Multi Channel Analyzer. Something like Canberra or Bridgeport PLEASE NOTE< IT CAN BE EITHER STAND ALONE DEVICE OR PREAMP WHICH WOULD DO PROCESSING ON CELL PHONE. EITHER WAY IS FINE. You can see what it is about here (stand alone version):   [obscured]  /products/radiochemistry_lab/digital-signal-processing.asp MCA will be part of handheld XRF device I am trying to build. For initial version e would need just single channel analyzer, ADC and visualization module. Compensation details to be discussed.
Category: Electrical       

g****rko
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| g****rko
|    United States
Fixed Price: $1,000 - $5,000   |  Posted: Feb 19, 2015  |  Ends: 20d, 10h  |   13 Proposals
We are seeking an MCU programmer to work with HART industrial protocol specification to create the software to control a device that converts temperature sensor signal to an analog output of 4-20mA, with a low-level digital (HART) signal superimposed over it. You will not need to write temperature conversion code, as we already have it. It's in assembly language, and you will have to integrate it into C code for the HART protocol part of the total MCU program. The HART protocol part will be an implementation of a limited number of standard HART functions, namely for data transmission and control by master device (portable configurator/communicator). The MCU used is an Atmega8 chip. You will need the following equipment in the process: 1. Power supply, DC, 240.5V, 0..50mA 2. Ammeter, 0..25mA, precision 1uA 3. Voltage calibrator, DC, 0..100mV, precision 1uV 4. Resistor substution box, 0..10kOhm, precision 10mOhm 5. Temperature sensor, 0..50C, precision 0.1C 6. HART modem for PC (usu...
Category: Electrical       
Preferred Location: China

d****i77
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| d****i77
|    Russia
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Feb 19, 2015  |  Ends: 5d, 7h  |   3 Proposals
I'm working on a side project that is a wearable device. I'm working with an electrical engineer on the circuitry, and I myself am a software and interactive design engineer. I need occasional advice on some industrial-design-engineering components of the device. These components tend to interface with the electronics on a slightly industrial level, like the housing for a button, the casing for the device, or available displays to achieve a goal given compact size requirements. Sometimes slightly more electrical, like "is there an analog meter that is thin that I could use to do this?" So I think it could be wise to bring in the advice/time of an industrial design engineer. He/she should understand things like buttons, displays, building the casing for an electronic device, and he/she must be able to search for parts and have a solid knowledge of component options. The workload is small, starting at something like only 0-2 hours of consultation a week, and could last from ...
Category: Product Design       

s****ens
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| s****ens
|    United States
Fixed Price: $1,000 - $5,000   |  Posted: Jan 27, 2015  |  Ends: 8d, 20h  |   15 Proposals
System Specification for Video Frame Buffer Version:1.0 24 January 2015 The unit is to be designed to capture video (video meaning image) input from a personal computer, buffer the captured video images in internal SDRAM and replay the captured video images to up to 48 individual VGA monitors in turn. The unit will be designed to meet the following requirements: - 1. The unit is to be designed such that the user can input up to a maximum of 48 images of a resolution of 800x600 (standard) up to a maximum of 1920x1080 (configurable). Each individual image to be captured is to be transmitted to the unit via a standard 19 pin HDMI or a VGA interface. The user presses a capture button on the unit when the user wishes the unit to capture a given image, the unit then captures the image and stores it in a SDRAM buffer. Each captured image is then displayed on one of up to 48 VGA monitors (in turn). The monitors will support VGA input at 800x600 75 frames per second. 2. Rather than one P...
Category: Electrical       
Preferred Location: Western Europe

r****000
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| r****000
|    United Kingdom
Fixed Price: $5,000 - $10,000   |  Posted: Jan 19, 2015  |  Ends: 30d, 20h  |   11 Proposals
We are a small volume industrial electronics repair shop. We have recently run into a problem specifically involving the programming side of the following microcontrollers: ADUC831BS and MC68HC705P6ACDW on two separate platforms. Provided are the links to their data sheets. We are seeking someone who can analyze these existing embedded systems and re-flash onto new undamaged microcontrollers. Is this task within your range of skill sets? If so, Please contact us with availability and pricing. ADUC831BS:   [obscured]  /static/imported-files/data_sheets/ADUC831.pdf MC68HC705P6ACDW:   [obscured]  /files/microcontrollers/doc/data_sheet/MC68HC705P6A.pdf
Category: Data Engineering       
Skills: Electronics, Embedded Systems       
Preferred Location: United States

b****wer
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| b****wer
|    United States
Hourly Rate: $20 - $30 / hr   |  Duration: 1-2 weeks  |  Posted: Dec 29, 2014  |  Ends: 28d, 23h  |   24 Proposals
We are an established consumer goods company that is launching a small bluetooth notification wearable device that connects to an app. Further details will be provided upon review. We are looking for a talented individual who can help us create the following: 1. PCB design 2. Gerber design layout 3. IO schematics The emphasis of this job will be on Pre-production Process design of analog circuit electronic systems. The bill of materials is the core of any hardware product. Your role is key to an accurate, clean manufacturing bill of materials (MBOM) to it provide details on all the parts required. Responsibilities Develop the electronic design (and engineering documentation, and product agency certification TBD). Design schematic capture using tools like OrCAD, DxDesigner, etc. Create a PCB layout review using Gerber plots and PAD output files Suggest the bluetooth smart, vibrating motor, battery/charger, PCB components (BOM) based on product requirements
Category: Product Design       

W****hCo
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| W****hCo
|    United States
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