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Hourly Rate: $20 - $30 / hr   |  Duration: 1-2 weeks  |  Posted: 14h, 3m ago  |  Ends: 14d, 9h  |   2 Proposals
In a nutshell, here is what the electronics need to do: 1) The camera shutter is opened through a push lever. It actuates a switch - signaling the processor to start measuring light 2) Light measurement gets converted into a usable value and exposure is calculated based on other parameters (focal length, pinhole diameter, reciprocity value, EV compensation, and constant) 3) Light measurement is taken every second to account for lighting condition changes - Pinhole photography exposures tend to be very long 4) Once proper exposure is reached - circuit actuates a servo to release the shutter lever which closes the shutter through mechanical spring energy. The servo just needs to tal the lever to release the mechanism. The APP would have a databese of films, constants, etc. and provide camera the selected data to the circuit (pinhole diameter, dilm, EV, focal length). The circuit in the camera will keep this data and use it to calculate exposure. Current design has a screen built in and...
Category: Mobile Applications       

r****ane
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| r****ane
Hourly Rate: $10 - $15 / hr   |  Duration: 1-2 weeks  |  Posted: 14h, 14m ago  |  Ends: 14d, 9h  |   3 Proposals
In a nutshell, here is what the electronics need to do: 1) The camera shutter is opened through a push lever. It actuates a switch - signaling the processor to start measuring light 2) Light measurement gets converted into a usable value and exposure is calculated based on other parameters (focal length, pinhole diameter, reciprocity value, EV compensation, and constant) 3) Light measurement is taken every second to account for lighting condition changes - Pinhole photography exposures tend to be very long 4) Once proper exposure is reached - circuit actuates a servo to release the shutter lever which closes the shutter through mechanical spring energy. The servo just needs to tal the lever to release the mechanism. The APP would have a databese of films, constants, etc. and provide camera the selected data to the circuit (pinhole diameter, dilm, EV, focal length). The circuit in the camera will keep this data and use it to calculate exposure. Current design has a screen built in ...
Category: Mobile Applications       

r****ane
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| r****ane
Fixed Price: More than $10,000   |  Posted: May 21, 2015  |  Ends: 12d, 4h  |   2 Proposals
Field Service / Applications Engineer Company Work Location: Waukesha, WI Salary: $60,000 - $80,000 Job Description: Experienced Field Service / Applications Engineer is required having responsibility to Supports Sales by evaluating the Technical/Commercial feasibility of a tender and help to clarify customer inquiries and specifications. Requirements: ? Experience with Mitsubishi, Fanuc, and Siemens controls is critical. ? Min. 2-3 years working experience with Turbo-expanders and/or Compressors. ? 5 to 10 years of experience in design engineering, applications engineering, high technology sales support, or field service. ? Requires knowledge of API, ASME, NEC (or IEC) codes. ? Experience integrating automation and motion control components such as motors, feedback devices and servo drives and controllers ? Process design knowledge, experience reading and interpreting technical specifications, and familiarity with technical drawing sets. ? Ideally someone with experience in...
Category: Electrical       

P****era
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| P****era
|    India
Fixed Price: Less than $500   |  Posted: May 17, 2015  |  Ends: 8d, 20h  |   6 Proposals
1. On the hold of a momentary button a microphone is activated which begins recoding a wav/mp3. 2. This is played back 10 seconds later through a speaker. Straight after the playback happens the microphone turns back on and if the same sound is repeated into the microphone then a servo will move back and forth by 45 degrees 3. Number two continues in 5 minute intervals with a break for 1 hour, every hour
Category: Other - Data Science       
Skills: Script Writing       

N****DAN
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| N****DAN
|    New Zealand
Fixed Price: Not Sure   |  Posted: May 13, 2015  |  Ends: 3d, 22h  |   4 Proposals
Looking for everything from design to specs to full manufacture of prototype. Materials: plastic, felt and p/leather. Electronics will most likely include small servo motor or other motorized retractable pulley system. Must have connection to manufacturer with all these materials. Must sign attached NDA and NCA to be considered.
Category: Other - Engineering &...       

C****usP
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| C****usP
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: May 10, 2015  |  Ends: 1d, 7h  |   3 Proposals
- AC Servo drive with 4 A, 8A, 32A & 45A continuous current rating for closed loop control ( peak rating double the continuous current rating) to drive brushless PM synchronous motors. - Control loops for Position, velocity, current / torque - Input Power Supply : 3 phase , 400 V , 50 Hz AC supply - Option to connect external braking resistor - Air cooling - Field bus interface ? Ethercat - Interface for Resolver / Encoder - Output stage switching frequency : 4/8/12/16 K Hz - IP20 protection - Compliant with EMC norms
Category: Product Design       

A****FAR
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| A****FAR
|    India
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