Maksim Svirchevsky
Private message 
Chernyahov,
Ukraine
temporarily not working
Rating
Language proficiency level
English: pre-intermediate
Skills and abilities
Programming
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C & C++
from 3 USD for hour
- Data Parsing
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Embedded Systems & Microcontrollers
from 3 USD for hour
- Python
- Testing & QA
Architecture
Administration
Portfolio
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192 USD program for electronic scoreboard
Embedded Systems & Microcontrollers
program for displaying data on an electronic scoreboard hardware base stm32 + led panels (type of shift registers) + powerful power supply, data is received via ethernet (modbus), software base stmduino(vscode) + some open libraries + custom-written library for led matrix
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36 USD children's radio (prototype)
Embedded Systems & Microcontrollers
functions
- voice transmission/reception (16KHz/8bit)
- text transmission/reception (when connected to a computer)
- simple encryption
…
features
- radio operating frequency: 2.4GHz
- range 500-700m
- base esp32
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79 USD automatic photo fixation system (prototype)
Embedded Systems & Microcontrollers
functions
-gprs connection to the mqtt server
-manual control of the remote relay
-automatic relay mode according to the scheduled time
… -auto/manual execution of a photo and sending it to the server
-reaction (photo+relay/photo/relay/nothing) to the motion sensor can be configured
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90 USD program for water level control system
Embedded Systems & Microcontrollershardware base arduino nano + water flow sensor, main function monitoring the volume of water consumption from the tank and automatic shutdown when reaching a critical level, additionally the system has functions for monitoring flow rate, calibration, display output, adjustable trigger limits
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36 USD Timer - fuse
Embedded Systems & Microcontrollers
Design:
Activation time from 30sec to 3min (adjustable by potentiometer).
Dimensions = 35mm*49mm.
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158 USD Visual notification system for cyclists
Embedded Systems & Microcontrollers
Development of the circuit + Circuit debugging (balance of maximum working time with maximum brightness) + Board design + Board assembly + Waterproofing
Used in special gloves for cyclists, similar to turn signals on cars.
Not afraid of rain and ordinary fresh water, can work in these conditions.
When turned on, flashes at a frequency of 3 times per second.
… Powered by 2032 batteries. Quick battery replacement possible.
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36 USD System of Delayed Injection (Prototype)
Embedded Systems & Microcontrollers
A system that units the power of another device after a certain time after the device is injected.
It has an additional drop trigger (connect the RESET button).
The time of delay is set by a potential meter.
Housing 3-6B
… Maximum current (top) 10A
Maximum voltage (work) 250V
Microcontroller Attiny85
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45 USD користувацька система контролю температури води
Embedded Systems & Microcontrollers
користувацька переносна налаштовувана система автоматичної підтримки температури води в заданих межах на esp32
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23 USD система віддаленого ввімкнення/вимкнення через wifi (прототип)
Embedded Systems & Microcontrollers
керування реле ввімкнення/вимкнення і виведення актуальних показників через веб-браузер на esp8266
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68 USD торгова система відображення інформації
Embedded Systems & MicrocontrollersОснова системи мікроконтролер esp32
Функції:
-введення баркодів з пристрою сканера штрих-кодів
-зчитування даних з веб-ресурсу
… -виведення інформації про товар покупцю
-можливість вводу баркодів з клавіатури
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23 USD система радіомониторингу (прототип)
Embedded Systems & Microcontrollers
ручний переносний автономний засіб радіоелектронної розвідки (сканування радіочастот) на смузі 2,4Ггц
мікроконтролер esp32 + nrf24l01
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68 USD Internet notification system
Embedded Systems & Microcontrollers
Internet notification system {notification system, temperature monitoring, lighting control, power supply from 220V, autonomous power supply}
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23 USD система скиду на fpv-дрон (прототип)
Сервопривід що відкриває/закриває замок скиду, під керуванням мікроконтроллера attiny13, має автонономний акумулятор, дрон може контролювати виведеними контактами відкриття/закриття замка скиду
Reviews and compliments on completed projects 10
10 May 2025
124 USD
Acoustic device for orientation in environments with unsatisfactory visual control
The first experience working with a freelancer is so wonderful.
Constantly in touch, personal interest of the freelancer in completing the task, professionalism at a high level. Tips on choosing components were very helpful. Definitely recommend!!!
30 April 2025
220 USD
Service between two devices based on esp8266 Arduino
Thank you, Maksym. Very professional developer, quick communication and understanding of the topic, I recommend for collaboration, I will contact again
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6 July 2024
79 USD
NUCLEO-F439ZI + modbus TCP + Led matrix SPI
The project has been successfully completed, I recommend the freelancer for other projects.
23 May 2024
45 USD
Water meter program
Maxim did a great job with the task, fulfilled all the requirements, quickly and professionally. I am completely satisfied with the result of working with him. Maxim, good luck, you're great!
10 April 2024
271 USD
Reader mythare, second stage
All tasks assigned have been completed. I recommend for cooperation as a professional in their field.
3 April 2024
11 USD
Programmer Arduino, LGT8F328p
First stage layout assembly, successfully completed
7 March 2024
90 USD
Evse arduino
Everything is well. performed timely.
1 March 2024
152 USD
Stage 2 (create a print pay project/take/sleep samples/protection)
All devices at the highest level, professional!
11 February 2024
34 USD
Timer - The Refugees
High communication, good description and support
4 February 2024
46 USD
Reproduction of electronic device by photo
Maxim is a professional of his business, full immersion in the request and professional performance with a popular explanation + point-to-point, I will contact more! Thank you !
Activity
| Latest proposals 10 | Budget | Added | Deadlines | Proposal | |
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Acoustic device for orientation in environments with unsatisfactory visual control
124 USD
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LED panel
135 USD
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Freelance project
29 USD
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Freelance project
220 USD
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Gopro cambera cable
1162 USD
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Freelance project
79 USD
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Freelance project
113 USD
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TOV MAK FARMER
564 USD
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Finish the Android application. 4 buttons WiFi control 2 step.engines esp32
23 USD
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Water meter program
45 USD
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