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Aleksey Shevchenko

Offer Aleksey work on your next project.

Ukraine Kharkiv, Ukraine
2 months 5 days back
Available for hire available for hire
55 Safes completed
2 years back
30 clients
age 29 years
on the service 4 years
  • Multisim
  • Altium Designer

Rating

Successful projects
100%
Average rating
No data
Rating
2158
Engineering
5 place out of 565
Drawings & Diagrams
23 place out of 706
26 projects
Engineering
18 projects
Drawings & Diagrams
14 projects
Object Design
10 projects
Embedded Systems & Microcontrollers

Skills and abilities

Portfolio


  • 158 USD

    Map of air trees

    Engineering
    Based on the ESP32 controller, the indication is performed on the address LEDs. To reflect the current information about the air of anxiety, it is necessary to make a connection to the home Wi-Fi network.
  • 45 USD

    The iPhone 13 Mini

    Engineering
    Iphone 13 mini with Type-C port
  • 81 USD

    Software for SIM cards

    Engineering
    Software for SIM cards
  • 83 USD

    PoE injector for Starlink

    Engineering
    PoE injector for Starlink
  • 113 USD

    Installation of ESP32

    Engineering
    Remote control device based on ESP32
  • 34 USD

    Bicycle lighting on the battery.

    Engineering
    Bicycle lighting 5600K per 500 lm. It operates from a battery type 18650.
  • 135 USD

    Powerful DC-DC Converters

    Engineering
    Left: upgrading from 3B to 12B. 5a .
    Reducing from 12V to 5V. 5a .
  • 56 USD

    Remote control device based on ESP32

    Engineering
    Remote control device based on ESP32
  • 90 USD

    Remote control device based on ESP32

    Engineering
    Remote control device based on ESP32
  • 90 USD

    Development of the controller of the steering station

    Engineering
    The Rasperi PI and ESP8266 supported block was designed to control the drive station, has 2 galvanically disconnected RS485 for OS from the drive and 4 discrete outputs to drive.
    Rasperi Pi - operated as a SPU (for supplementing the software under Linux)
    ESP8266 - as a remote control.
  • 23 USD

    DC power and voltage measurement

    Engineering
    Digital device for measuring DC current up to 100A (through external shunt) and voltage up to 1000V.
  • 68 USD

    Step engine control driver based on the PIC controller.

    Engineering
    Step engine control driver based on the PIC-controller with optron feedback.
  • 63 USD

    Intelligent column on ESP32

    Engineering
    Development of the electronics block for a smart column based on ESP32.
    The scheme operates the ESP32-WROOM with the ability to connect the microSD card, and a 5W audio amplifier. The food is produced from the 220V network.
  • 451 USD

    Industrial Interface Block

    Engineering
    STM32F407 beige block for data collection through the RS485, RS232, UART, USB and their subsequent display on the LED display and WEB page.
    The location of the elements is due to the structure of the body.
    The functional:
    1) Data output on the display through the FSMC interface
    2) Supports the membrane keyboard with 6 buttons for navigation by menu.
    3) ESP32 is installed to extract data to a web page.
    4) Galvanically disconnected interface RS485
    5) Galvanically disconnected interface RS232
    6) Galvanically disconnected USB interface
    7) Galvanically disbanded 2 discreet outputs.
    8) There is the possibility of switching the processor by microUSB
    9) Inbound power voltage from 9 to 24V, built-in protection against pollution, overtension, from scratching (with fuel connection).
  • 79 USD

    Industrial Lithium Ion Battery Charge Block

    Engineering
    Description of the block:
    Industrial buffer block with a output voltage of 4.2V. It is used in industrial robotics to maintain the constant demand of corner sensors.
    On the RS485 interface, the battery charging current is set, and the battery voltage information is transmitted. Lithium-ion batteries are used as a buffer, with a maximum capacity of 10Ah.

    Tech. data
    Input power voltage from 9 to 24W
    Isolated interface RS485
    The maximum charging flow can be set by the RS485 interface or by a combination of resistors. Maximum fixed current 3A.
    The entrance chains are protected from pollution and overtension. There is also protection against the battery overflow.
    Its own consumption of the block in the absence of basic 3uA power

Reviews and compliments on completed projects 55

14 May 2024 11 USD
Connection scheme to the microcontroller

Quality
Professionalism
Cost
Contactability
Deadlines

Top person who has the talent and desire to do great work

12 May 2024 12 USD
Microcontroller structural diagram

Quality
Professionalism
Cost
Contactability
Deadlines

Top-notch, completes tasks the next day, all great

12 May 2024 11 USD
To draw an electrical schematic diagram of the Microcontroller operation in elect

Quality
Professionalism
Cost
Contactability
Deadlines

Top performer, completes tasks the next day, everything is great

25 April 2024 22 USD
Paid project amendments

Quality
Professionalism
Cost
Contactability
Deadlines

10 out of 10 on all points. I will contact you again

23 March 2024 11 USD
Documentation of the project

Quality
Professionalism
Cost
Contactability
Deadlines

I’m not calling for the first time! The work is done as usual at the height. I recommend this executive Alexey as a professional of my business! 100 out of 100!The !

16 March 2024 203 USD
The principle scheme

Quality
Professionalism
Cost
Contactability
Deadlines

A great specialist! I recommend it as a person with a literary approach to the matter! Helped me to get into my project and realize it well! I advise everyone! If you’re looking for a specialist and you’re reading my review, you’ve already found it! Congratulations to everyone in making their decisions!

14 December 2023 135 USD
Printed Pult Payment

Quality
Professionalism
Cost
Contactability
Deadlines

Співпраця з Олексієм мені дуже сподобалась. Проект виконано згідно ТЗ.
Рекомендую до співпраці

31 October 2023 11 USD
Chronicles by Photo

Quality
Professionalism
Cost
Contactability
Deadlines

I strongly recommend! Thanks to the great professional.

12 October 2023 11 USD
Visualization of RoE Injector Components

Quality
Professionalism
Cost
Contactability
Deadlines

As always quickly and professionally.

12 October 2023 11 USD
Processing of the RoE injector scheme

Quality
Professionalism
Cost
Contactability
Deadlines

As always, it is at the highest level.

11 October 2023 11 USD
Repair the fee

Quality
Professionalism
Cost
Contactability
Deadlines

good! good! good! good! good!

10 October 2023 113 USD
Tracking of PCB

Quality
Professionalism
Cost
Contactability
Deadlines

The work has been done before the specified deadline, I recommend cooperation.

10 October 2023 34 USD
Redesign of the RoE Injector

Quality
Professionalism
Cost
Contactability
Deadlines

As always, it’s clear and professional.

29 September 2023 16 USD
Repair the herber file and create the order V2

Quality
Professionalism
Cost
Contactability
Deadlines

I didn’t get any more money, but I was very happy with the work. Always on connection and full professionalism

25 September 2023 34 USD
Low voltage protection scheme at the PoE injector entrance

Quality
Professionalism
Cost
Contactability
Deadlines

As always at the highest level.

20 September 2023 16 USD
It is necessary to perform the projection/drawing of the plate-cplitter.

Quality
Professionalism
Cost
Contactability
Deadlines

The project was done very quickly and efficiently! I will definitely go again!

18 September 2023 11 USD
Components for DC-DC Converter

Quality
Professionalism
Cost
Contactability
Deadlines

As always, it is clear and professional.

15 September 2023 23 USD
Starlink PoE Injector Change Components

Quality
Professionalism
Cost
Contactability
Deadlines

As always, everything is clear and in the scheduled time. All additional questions and moments are resolved. A professional of your business.

1 September 2023 34 USD
DC Converter for Verba 2. Replacement of XL7005A

Quality
Professionalism
Cost
Contactability
Deadlines

As always quickly and professionally.

29 August 2023 38 USD
Passive PoE injector for Starlink. The prototype of ready payment

Quality
Professionalism
Cost
Contactability
Deadlines

As always, it’s fast and professional.

26 August 2023 45 USD
The project

Quality
Professionalism
Cost
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Deadlines

Perfectly done, thank you

23 August 2023 11 USD
Processing of Printed Payment

Quality
Professionalism
Cost
Contactability
Deadlines

The project is done quickly and efficiently.

18 August 2023 113 USD
DC Converter for Verba 2

Quality
Professionalism
Cost
Contactability
Deadlines

As always, super professional work. Alexis is a very disciplined and professional person. The work was done earlier than planned.

15 August 2023 50 USD
The Maket Plate

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is done well and in time.

1 August 2023 45 USD
Payment

Quality
Professionalism
Cost
Contactability
Deadlines

Everything very quickly and quickly.

20 July 2023 5 USD
REVIEW TZ on electronic device

Quality
Professionalism
Cost
Contactability
Deadlines

Co-worked on the audit of the TZ project on HW development. It is done as agreed, thank you for cooperation.

20 July 2023 20 USD
Develop the specification for the electronic part of the MVP solar dryer.

Quality
Professionalism
Cost
Contactability
Deadlines

It’s all very clear and grateful.

20 July 2023 9 USD
Partnership for the project

Quality
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Cost
Contactability
Deadlines

This is the second cooperation, all done as quickly as possible (in the prescribed deadlines) and quality. Thank you !

Quality
Professionalism
Cost
Contactability
Deadlines

Alexey performed the tasks in the discussed time, all explained by the course of performance, it is visible that the person is a professional and a fan of his business. It’s a pleasure to work with such people. 10 out of 10 in all points. Thank you !

16 July 2023 58 USD
Gerber - file

Quality
Professionalism
Cost
Contactability
Deadlines

Alexey was the first to recall my project. Written with him, very quickly they found a common language: very pleasant, in communication, a person. He told me a lot of what and how to do better, literally all over the roofs broke down. He ordered a Gerber file project. The task was to do what is shown in the video. I strongly recommend Alexey as a professional specialist!

8 July 2023 83 USD
Passive PoE Injector for Starlink

Quality
Professionalism
Cost
Contactability
Deadlines

Very pleasant to work with Alexis. Professional work, clear compliance with schedules, high qualifications and knowledge in the electronics industry.

10 June 2023 34 USD
Lighting

Quality
Professionalism
Cost
Contactability
Deadlines

The work was done a lot earlier in the planned deadline, very quality. Also, from all the incomprehensible questions, Alexis gave a distorted answer. I recommend cooperation.

7 June 2023 68 USD
Проектування DC-DC Step-UP. EasyEDA

Quality
Professionalism
Cost
Contactability
Deadlines

Everything went wonderfully!
Alexis quickly joined the project!
All time in communication and quickly and professionally fulfilled all assigned tasks!

I plan for further cooperation!

7 March 2023 83 USD
Тактична миша

Quality
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Deadlines

A great partner, I hope to expand our cooperation in the future!

Quality
Professionalism
Cost
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Deadlines

Very good impression - competent, fast, organized

21 December 2022 11 USD
Consultation on the emergency lamp scheme

Quality
Professionalism
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Contactability
Deadlines

I’m happy with work, I don’t have instructions.

21 December 2022 11 USD
Changes in payments

Quality
Professionalism
Cost
Contactability
Deadlines

greatly . Fast and quality

8 December 2022 45 USD
Modeling of load

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is great! He listened to all his wishes and performed his work in time. I recommend it!

Quality
Professionalism
Cost
Contactability
Deadlines

Them of them. The task is completed in full scope. Additionally received answers to all the related questions that arose during the agreement and implementation of the T.Z.

1 December 2022 5 USD
Strengthening of Signal

Quality
Professionalism
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Contactability
Deadlines

A good and good advice on the questions!

13 November 2022 90 USD
Personal project

Quality
Professionalism
Cost
Contactability
Deadlines

The project was carried out quickly on the task with detailed consultations and instructions after the initial result. I recommend it.

8 November 2022 9 USD
Consulting on the correct selection of the source of storage with all details

Quality
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Cost
Contactability
Deadlines

I order not for the first time, Alexey Pill performs all the way suggests and helps. thank you

1 November 2022 23 USD
Processing of pay

Quality
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Deadlines

The project was carried out on the task, in full, earlier and with detailed explanations.

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is super! It’s not the first time I work and I’m going to continue.
Responsibility and professionalism at the highest level.

26 October 2022 23 USD
Tracking Pay PCB Routing

Quality
Professionalism
Cost
Contactability
Deadlines

The work was done very quickly, the quality was good. In communication it is easy and comfortable. remained satisfied

12 October 2022 5 USD
Correction of errors and advice on divorce

Quality
Professionalism
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Contactability
Deadlines

Profi of your business. The consultation was at the highest level.

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is smooth and good! Thank you for work

23 September 2022 90 USD
Creating a herber file on the existing print fee

Quality
Professionalism
Cost
Contactability
Deadlines

Super professional, I hope to cooperate in the future.

21 July 2022 5 USD
4-Step Engine Management

Quality
Professionalism
Cost
Contactability
Deadlines

It was pleasant to collaborate.
I am pleased to contact again.
Professionally, clearly and in case.
I recommend

20 July 2022 63 USD
Development of the electromotor control scheme on the PIC - controller

Quality
Professionalism
Cost
Contactability
Deadlines

It’s all very quickly and quality. We continue cooperation.

Quality
Professionalism
Cost
Contactability
Deadlines

Everything is good, we have moved to the next stage of cooperation.

Quality
Professionalism
Cost
Contactability
Deadlines

Thank you for cooperation! Quick connection and operational response to the "flowing" conditions of the project. satisfied with the work done. I strongly recommend cooperation.

12 May 2022 5 USD
ККР

Quality
Professionalism
Cost
Contactability
Deadlines

Made in time and quality.

12 May 2022 5 USD
Презентація

Quality
Professionalism
Cost
Contactability
Deadlines

The work is done quickly and efficiently.

10 May 2022 16 USD
Microprocessory Technique Course

Quality
Professionalism
Cost
Contactability
Deadlines

The freelancer performed the work in time and quality.

Activity

  Latest proposals 10
Optimization of Detector Operation Personal project
4059 USD
CM5 HAT Personal project
Development of a Technical Project for a STARTUP Personal project
523 USD
Development of a plate for helmet stand Personal project
113 USD
Development of the board according to the schematic Personal project
113 USD
Phase short circuit indication device Personal project
Diagram and Board on ESP32 Personal project
113 USD
Development of electrical diagrams for elevators Personal project
116 USD
Drones in agriculture Personal project
11 USD
Reengineering of the ESC block Personal project