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Aleksandr A.

Reliable Plus holder
Offer Aleksandr work on your next project.

Ukraine Kamen-Kashirskii, Ukraine
8 hours 29 minutes back
Available for hire available for hire
49 Safes completed
1 month 6 days back
15 clients
2 proposals made
on the service 6 years

Rating

Successful projects
100%
Average rating
9.96 out of 10
Rating
4061
Engineering
14 place out of 564
Desktop Apps
25 place out of 471
23 projects
Embedded Systems & Microcontrollers
21 projects
C & C++
8 projects
Engineering
8 projects
Drawings & Diagrams

Skills and abilities

Portfolio


  • The Nintendo 64 Emulator

    Desktop Apps
    The Nintendo 64 emulator. Incomplete - only a CPU interpreter (initially written in D, then transcribed to C with assembly inscriptions,
    At the end of the year, C++).
  • The Digital Logic

    Engineering
    Arkanoid in Proteus.
  • Food Machine

    Engineering
    SAPR: AltiumDesigner
    The Har. Plate: 2 layers, 0.3/0.3 mm
    My work: AO, microprogram, software for simulation (CCNet receiver, automatic mechanics), software for setting.
    Description: the machine that prepares and sells food - bulk with different shells: cocktails, salads, etc. Electronic part
    It contains one main plate and a multitude of leading plates for stepping engines and powerful network loads.
  • Miniature devices

    Engineering
    The 1 :
    SAPR: AltiumDesigner
    The Har. Plate: 2 layers, 0.15/0.15 mm
    My work: AO, a microprogram.
    Description: measure the position of the container using an accelerometer and a gyroscope.

    2nd
    Category: KiCAD
    The Har. Plates: 4 layers, 0.1/0.1 mm
    My work: AO, microprogram (in-built with Python)
    Description: dicton with LTE modem, microSD card, ZU Li ACB.
  • Sensors

    Engineering
    Part of Scud.
    The blue plate uses the Digi XB24 modules.
    The latter plate with the antenna is based on the CC2500 + STM32F100 connection.
    SAPR: OrCAD and Altium Designer.
    Third class accuracy.
    I have developed: AO, a microprogram.
  • Wireless devices

    Engineering
    and the KiCAD.
    The Har. Plate: 2 layers, 0.2/0.2 mm
    My work: schema, tracing.
  • Assembly

    Embedded Systems & Microcontrollers
    Assembler coding for different platforms: IA-32+AMD64 (SSE2, AVX), MIPS, m68k, AVR, STM32 (ARM Thumb-2).
  • GNSS tracker, personal and for trucks.

    Engineering
    SAPR: OrCAD and Altium Designer.
    The Har. Plate: 2 layers, 0.3/0.3 mm; 4 layers, 0.2/0.2 mm
    My part: hardware, microprogram (C, C++, Python), software for setting (C++), part of server software (C#).

Reviews and compliments on completed projects 49

Quality
Professionalism
Cost
Contactability
Deadlines

Thank you, Oleksandr, for your professional approach to completing the task.

28 March 90 USD
Bring the JST-GH connector to the Pixhawk standard.

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is fine, done as it should be. Great job.

26 March 27 USD
Personal project

Quality
Professionalism
Cost
Contactability
Deadlines

The task was completed professionally and promptly.

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is fine, done well. Good.

Quality
Professionalism
Cost
Contactability
Deadlines

Everything on time, very professional approach, I recommend.

18 March 45 USD
Refine the connector on the CAN node board.

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is okay, it works. Clearly, on time.

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is okay, it works well. Done quality and on time. Thank you.

21 January 58 USD
Creation of a Gerber file

Quality
Professionalism
Cost
Contactability
Deadlines

Quick and high-quality work. I will reach out again. I recommend!

24 October 2025 68 USD
Youtube video download script (Python)

Quality
Professionalism
Cost
Contactability
Deadlines

Everything was done ON TIME and even better than agreed. I recommend!!!
Everything was done ON TIME and even better than agreed. I recommend!!!
Everything was done ON TIME and even better than agreed. I recommend!!!

2 June 2025 226 USD
Reverse engineering scud

Quality
Professionalism
Cost
Contactability
Deadlines

Everything was done on time, according to the agreements

3 April 2025 226 USD
Reverse engineering of scarcity

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is done qualitatively, on time, and in accordance with the agreements.

4 March 2025 11 USD
LED battery charge indication.

Quality
Professionalism
Cost
Contactability
Deadlines

Everything went well, I recommend.

23 February 2025 23 USD
Make changes to the previously developed board with ESP32 WROOM and powered by 18650.

Quality
Professionalism
Cost
Contactability
Deadlines

Thank you for the great work!

12 February 2025 135 USD
Diagram and Board on ESP32

Quality
Professionalism
Cost
Contactability
Deadlines

The work was done very promptly and at a high level.
I recommend.

7 February 2025 226 USD
Reverse engineering of scarcity

Quality
Professionalism
Cost
Contactability
Deadlines

Everything was done on time according to the agreements, I recommend for cooperation.

15 January 2025 11 USD
STM32f030 button + LED + UART 8 channels

Quality
Professionalism
Cost
Contactability
Deadlines

Everything went well. .

6 January 2025 226 USD
Reverse engineering of scarcity

Quality
Professionalism
Cost
Contactability
Deadlines

Everything on time, efficiently, and professionally

10 December 2024 158 USD
Firmware for STM

Quality
Professionalism
Cost
Contactability
Deadlines

Everything was completed according to and within the established deadlines, I recommend as a good specialist.

27 November 2024 158 USD
Program for working with the module

Quality
Professionalism
Cost
Contactability
Deadlines

The project was completed on time according to the technical specifications.

11 November 2024 158 USD
Development of a program for working with the display

Quality
Professionalism
Cost
Contactability
Deadlines

The project was completed on time and according to the set tasks.

24 October 2024 158 USD
Program written in C

Quality
Professionalism
Cost
Contactability
Deadlines

Everything has been done according to plan, we continue working on the next projects.

21 October 2024 338 USD
Reverse engineering of scarcity

Quality
Professionalism
Cost
Contactability
Deadlines

Everything was done on time and in accordance with the agreements and the specifications.

24 September 2024 158 USD
Software development

Quality
Professionalism
Cost
Contactability
Deadlines

The project has been successfully completed and within the agreed deadlines.

24 August 2024 158 USD
Firmware development

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is at a high level. I can recommend him as a professional in his field. There are very few specialists of this level in freelancing.

12 August 2024 226 USD
Reverse engineering of scarcity

Quality
Professionalism
Cost
Contactability
Deadlines

Everything has been completed according to the agreements within the agreed timeframe.

23 July 2024 158 USD
Writing a program for microcontroller

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is at a higher level as always. Fast and professional.

14 July 2024 113 USD
Writing a program

Quality
Professionalism
Cost
Contactability
Deadlines

The project has been successfully completed.
The tasks set have been implemented.

14 July 2024 158 USD
Writing a program

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is done at the highest level. I recommend as a professional in their field

18 June 2024 158 USD
Writing a program

Quality
Professionalism
Cost
Contactability
Deadlines

Quality execution of the task, professional approach.

1 June 2024 113 USD
Work with RFID module RC522 + Arduino

Quality
Professionalism
Cost
Contactability
Deadlines

Quickly, professionally, recommended for cooperation

30 May 2024 226 USD
Reverse engineering is poor

Quality
Professionalism
Cost
Contactability
Deadlines

All on time, professionally and in accordance with agreements

30 May 2024 34 USD
Fortran to Python

Quality
Professionalism
Cost
Contactability
Deadlines

A true professional in their field, completed everything clearly, understandably, and documented in the necessary terms. Constantly keeps in touch and provides feedback during the project. If an opportunity arises, they offer options and ideas that can improve the project's outcome. I really liked everything, thank you!

F M | Personal | Response review

26 April 2024 226 USD
Reverse engineering is poor

Quality
Professionalism
Cost
Contactability
Deadlines

All done professionally, on time, recommend for cooperation.

10 April 2024 203 USD
Reverse engineering short

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is done on time and with quality

9 April 2024 23 USD
Driving Rally with Signal Shiam

Quality
Professionalism
Cost
Contactability
Deadlines

Everything went very well. I recommend

Quality
Professionalism
Cost
Contactability
Deadlines

Everything in time, professional and transparent

5 March 2024 68 USD
Reverse engineering short

Quality
Professionalism
Cost
Contactability
Deadlines

Все зроблено якісно , вчасно зі зрозумілим результатом

20 February 2024 68 USD
Reverse engineering shrinking

Quality
Professionalism
Cost
Contactability
Deadlines

All in time, expert and clear explanation on the topic

7 February 2024 52 USD
Reverse engineering network controller stretching (bad)

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is done in time and according to the agreement.

Quality
Professionalism
Cost
Contactability
Deadlines

Все зроблено вчасно , професійно із зрозумілими поясненнями та коментарями

10 January 2024 14 USD
Improvement of the STM32 control algorithm

Quality
Professionalism
Cost
Contactability
Deadlines

Everything went great, I recommend collaboration.

2 January 2024 23 USD
STM32 Switch

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is great. A good robot. I recommend

Quality
Professionalism
Cost
Contactability
Deadlines

A good specialist. The work was performed well. Thank you !

19 December 2023 90 USD
STM32f030 button + LED+UART

Quality
Professionalism
Cost
Contactability
Deadlines

Everything went well, a good specialist.

Quality
Professionalism
Cost
Contactability
Deadlines

Thank you very much for the quality performance of work.
Everything is done quickly and correctly.

5 December 2023 45 USD
Programming of a microprocessor calculator for the calculation of electricity

Quality
Professionalism
Cost
Contactability
Deadlines

The work is done in time, quality. and thank you. I recommend

4 December 2023 45 USD
Writing a Pay Program for ArduinoUNO

Quality
Professionalism
Cost
Contactability
Deadlines

The work is done in time. thank you

13 November 2023 27 USD
OpenGL with Nurbs

Quality
Professionalism
Cost
Contactability
Deadlines

The only one who really named the shortest terms and reasonable price. I was 5+. There is no respect! I was quite satisfied and even exceeded my expectations.

Quality
Professionalism
Cost
Contactability
Deadlines

I did everything very quickly and efficiently, with explanations, and even faster than I wanted. very grateful

Activity

  Latest proposals 10
Freelance project
4193 USD
Development of a printed circuit board (PCB) in KiCad based on the ready schematic (ESP32-S3, 4 slots)
180 USD
ESP32-S3 PCB Outline Design
58 USD
Climate control system controller
180 USD
Bring the JST-GH connector to the Pixhawk standard. Personal project
90 USD
Personal project Personal project
27 USD
Make a power distribution board with XT60 and XT30 connectors using step-down modules.
68 USD
Refine the connector on the CAN node board. Personal project
45 USD
Create a copy of STM32F401 with jst-gh connectors in EasyEda
45 USD
Modification of the PCB design, add a new track and integrate a new charging circuit into the free space.
18 USD