Ảnh đại diện của jandle
@jandle
Thành viên từ May, 2017
0 Đề xuất

jandle

Trực tuyến Ngoại tuyến
SOFTWARE (FORTRAN, MATLAB, C/C++, Qt, C#) FORTRAN since 1979 for material and device simulations and signal processing. C/C++ since 1990, lately for SCADA and smart meter embedded code. I have launched a commercial smart meter in the utility space based on Qt on an Arm9, porting to Sitara. PIC18, dsPIC33, and TMS320C280x with FreeRTOS and bare metal and application level (user space) Linux embedded on Samsung S3 and Sitara chips. EMBEDDED HARDWARE PIC 18 smart sensor with I2C connectivity and 4KV surge protection. dsPIC33 smart sensor interrogator with same immunity. Smart meter designs. UL61010-1 and IEC61000-6-5 compliant RS485, I2C, and power supply design for substation electronics. RF Wireless, passive sensors at 434MHz and 915MHz. SAW and BAW filters, resonators, and sensors. Oscillators. EN300220-1 and FCC Part 15 transmitters. Mixed signal cards with TMS320, dsPIC, and RF (200-1800MHz). Smart sensors. MISC General knowledge from materials to systems.
$75 USD/giờ
14 đánh giá
5.4
  • 94%Các công việc hoàn thành
  • 100%Đúng ngân sách
  • 100%Đúng giờ
  • 23%Tỉ lệ thuê lại

Portfolio

Các đánh giá gần đây

  • image of NashHardware Scale with USB communication (electronic schematics) $750.00 USD

    “Jeff has been a pleasure to work with. He's open to jumping on a call with you and went above and beyond what we expected in both communication and technical ability. This has been a fantastic experience overall and we will be working with Jeff again.”

  • image of ccamis Product Design for jandle $300.00 USD

    “Great job, very active and willing. Will definitely hire again.”

  • image of kalleanka82 CAN communications pic18 kr3888.00 SEK

    “He got the job done on time and budget. He knows what he's doing.”

  • image of blinkers Project for jandle $165.00 USD

    “Great work as usual. Thanks.”

  • image of tiffunander PCB Design $1738.00 USD

    “Very well done! Will use Jandle again for sure. He is very proactive in meeting the goals, and target costs. exceeded my expectations.”

  • image of Zonefeeder Mods to SDK for RDIF reader €250.00 EUR

    “Hopeless. This guy has an opinion of himself that is way too high. Below average ability and thoroughly unpleasant. Time is valuable and this guy will waste it. My advice is stay well clear.”

Kinh nghiệm

Director, R&D

May 2017

return to Emerson

Sr. SAW Scientist

Oct 2016 - May 2017 (7 months)

SAW systems for aerospace metrology

Director, R&D

Oct 2015 - Oct 2016 (1 year)

wireless temperature sensors and SCADA for medium voltage power assets, partial discharge sensors

VP R & D

Jun 2011 - Oct 2015 (4 years)

wireless temperature sensors and SCADA for medium voltage power assets, partial discharge sensors

Director, R&D

Feb 2007 - May 2011 (4 years)

Viscosity sensors and wireless temperature sensors

VP Engineering

Feb 1988 - Feb 2007 (19 years)

Viscosity and biosensors using SAW, BAW, and STW devices

SAW device modeling

Jun 1985 - Feb 1988 (2 years)

SAW materials & devices and early coupling of modes modeling

Chứng Nhận

  • US English Level 1
    97%
  • Analog Electronics Level 1
    85%
  • C 1
    77%

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