Profile image of dennuar
@dennuar
Flag of Ukraine Odessa, Ukraine
Member since July 22, 2015
5 Recommendations

dennuar

Online Offline
Engineer with experience in develop analog and digital devices over 15 years. I have worked with different topologies for DC-DC, AC-DC, DC-AC converters; completed a lot of projects based on MCU - ARM - STM32, AVR, ESP8266, PIC, Arduino. I have knowledge and working experience with interfaces - RS-485/232/422, WiFi, Bluetooth, SPI, I2C etc; a lot of sensors, peripheral ICs. Also in the last time I'm coding with many RTOS (FreeRTOS, Micrium and others.) I have great experience with Low Power Lora EndNodes and Gateways development (433MHz/868MHz/2.4GHz). Offer help with: - Scheme develop - PCB design - Altium Designer, OrCAD, Eagle CAD, KiCAD, Proteus, Multisim and etc. - C/C++ coding for many microcontrollers, - Simulation in Spice simulators LTSpice, Proteus and etc. - Prototype in electronic lab - 3D CADs design: SolidWorks, Kompas 3D and etc.
$5 USD/hr
45 reviews
5.8
  • 96%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 33%Repeat Hire Rate

Portfolio

Recent Reviews

  • image of Shopconstruct Project Design & Coding for KLS $1200.00 USD

    “Solve Problems by his own.”

  • image of Leeman Project for dennuar -- 7 $500.00 USD

    “Denis is excellent to work with and delivers excellent work. I always use Denis for my PCB layout work.”

  • image of jacknewman2016 Circuit board $40.00 USD

    “Great Freelancer”

  • image of kitschbent Project 13597682 has been deleted $35.00 USD

    “wonderful working with you again, excellent job, thanks so much!”

  • image of kitschbent Project 13551182 has been deleted $50.00 USD

    “very easy to work with, will use again”

  • image of stevenzhang2410 FBPS Power Converter Design and Control $380.00 CAD

    “One of the best Freelancer I've worked with. Very professional, commuted to tasks and do not nag for payment all the time. Very pleased to work with. If you are looking for a guy to work with in Electronics and Micro-controller, he is your guy. Hire again for sure!”

Education

Master

1995 - 2002 (7 years)