C/CPP prototyping stm32 avr PCB esp8266 esp32 python pascal delphi esp8266
Aleksandr Malygin

Aleksandr Malygin

Ukraine

Embedded Systems & Microcontrollers · Desktop Apps

44 0
4.7
614
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Education: Zaporizhzhya Machine-Building Institute, Faculty of Electronic Engineering, 1990, specialty: radio engineer. Work experience and skills: Development and programming of controllers on i8051. Tool software for debugging programs on C-51 IAR Systems. Energy resource control systems. Communication software, controller and meter protocols. Graphical output of large volumes of data. Parallel programming. Reverse engineering. Databases. Automated electricity metering. Macros and scripts. Embedded software for Arduino, ESP32, STM32, AVR, PIC, Raspberry Pi. IoT applications, BLE, WiFi, MQTT…
Hydroponics controller on Arduino Mega
518
Hydroponics controller on Arduino Mega
Embedded Systems & Microcontrollers
Automaton for supporting environmental parameters for plant life support.
Leonid Kohan

Leonid Kohan

Ukraine

C & C++ · Embedded Systems & Microcontrollers

25 0
5.0
1 563
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Hi, my name is Leonid I am always ready to help implement your interesting projects based on microcontrollers. I offer my services in the following areas. Creating reliable software code for embedded systems based on the following platforms: Zephyr RTOS is a robust and compact real-time OS that supports a variety of controllers. NRF Connect SDK is the official SDK from Nordic Semiconductor based on Zephyr. Supports all Nordic controllers. Arduino Framework is a popular coding system for hobby and educational projects with a very large number of libraries. The code can implement the…
Pavlo

Pavlo

Ukraine

Embedded Systems & Microcontrollers

13 2
4.4
1 836
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BMS-1cell
294
BMS-1cell
Embedded Systems & Microcontrollers
single cell controller LiIon or LiFePo4 for 20+ amp-hours, functions - voltage/temperature monitoring, passive balancing by average value, status indication Number of cells connected in series up to 512, a special communication protocol has been…
Power supply of the device
492
Power supply of the device
Embedded Systems & Microcontrollers
4 batteries in a 2S2P configuration, 40 Wh, outputs 2*9V 0.5A; 5V 3A; 5V 1A with low noise level hardware charge control, software via I2C - on/off outputs, % discharge, current, voltage, temperature
Roman Shershnyov

Roman Shershnyov

Ukraine

Search Engine Optimization (SEO) · Embedded Systems & Microcontrollers

12 0
262
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12+ years in the IT industry, 10 years on this platform. Ranked in the Top 10 freelancers in the "System Administration" category. I work under contract and can provide services via cashless payment. Positioned as a FULL STACK DEVELOPER I offer end-to-end solutions for the following tasks: Creation of CRM | ERP | Admin panels; Development of websites and online stores; SEO optimization; PPC advertising: ---- Google Merchant moderation; ---- Setup and management of Google Ads campaigns; Over the years, I’ve built a reliable network of trusted freelancers across different fields. I can handle…
Barrier gate controller
850 USD
163
Barrier gate controller
Embedded Systems & Microcontrollers
Designed and manufactured a parking control system via application / Telegram bot
Maksim Svirchevsky

Maksim Svirchevsky

Ukraine

C & C++ · Embedded Systems & Microcontrollers

10 0
1 004
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program for electronic scoreboard
190 USD
397
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…
children's radio (prototype)
36 USD
360
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
automatic photo fixation system (prototype)
78 USD
362
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…
Timer - fuse
36 USD
416
Timer - fuse
Embedded Systems & Microcontrollers
Design: Activation time from 30sec to 3min (adjustable by potentiometer). Dimensions = 35mm*49mm.
Visual notification system for cyclists
156 USD
340
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…
Oleksii Mamontov

Oleksii Mamontov

Ukraine

Embedded Systems & Microcontrollers · C & C++

9 0
5.0
630
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USBCANFD_2 adapter with galvanic isolation for CANFD
23 USD
216
USBCANFD_2 adapter with galvanic isolation for CANFD
Embedded Systems & Microcontrollers
The adapter with galvanic isolation connects the computer via USB to a standard CAN 2.0 or CAN FD bus with data rates of 2, 5, and 8 Mbps.
Manufacturing CAN modules for controlling 2 DC motors up to 24V
18 USD
424
Manufacturing CAN modules for controlling 2 DC motors up to 24V
Embedded Systems & Microcontrollers
CAN module with opto-isolation, designed to control 2 DC motors with a supply voltage from 6 to 24V, with a current up to 3.5A each. Also, the board allows connection of four limit switches (for closing). Enables simultaneous control of 2…
Module CAN (FD), RS422, sensors IIM42652, LIS3M, BMP280.
40 USD
351
Module CAN (FD), RS422, sensors IIM42652, LIS3M, BMP280.
Embedded Systems & Microcontrollers
The module is built on the STM32G431 (Cortex M4), operating via the CAN (FD) bus, integrating RS422, USART, SPI, and I2C interfaces, as well as sensors for accelerometer, gyroscope, magnetometer, and pressure. It is designed to consolidate all data…
Flashlight control module
363
Flashlight control module
Embedded Systems & Microcontrollers
Flashlight control module with various functions, ultra-low consumption stm32l0
CAN module for DC motor control
283
CAN module for DC motor control
Embedded Systems & Microcontrollers
The module is designed to control the direction of rotation and speed of the engine via the CAN bus (CANopen).. Voltage supply from 6 to 24 volts with current up to 3 A
Serhii Ilin

Serhii Ilin

Ukraine

Desktop Apps · Embedded Systems & Microcontrollers

6 0
5.0
390
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Atmega328p-pu board + rs485
132
Atmega328p-pu board + rs485
Embedded Systems & Microcontrollers
A hardware prototype of a control module has been developed based on the AVR ATmega328P-PU microcontroller with an integrated RS-485 industrial communication interface. The device is assembled using through-hole mounting on a perforated breadboard…
RMonitoringUnit - device for collecting data from refrigerators
203
RMonitoringUnit - device for collecting data from refrigerators
Embedded Systems & Microcontrollers
A device was developed for collecting data from sensors of refrigeration systems and transmitting this data to a server for further visualization and analysis. Elecrow Arduino Leonardo IoT sim800C and ESP32 GSM/GPRS sim800H microcontrollers,…
Roman

Roman

Ukraine Plus

Embedded Systems & Microcontrollers · Desktop Apps

2 0
545
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Високочастотний вимірювач потужності.
89 USD
56
Високочастотний вимірювач потужності.
Embedded Systems & Microcontrollers
High-frequency power meter. Based on ADL5501 Operating range from 50 MHz to 6 GHz
Power integral relay
40 USD
90
Power integral relay
Embedded Systems & Microcontrollers
Integral relay based on MOSFET transistors. Switches up to 400A of current at a voltage of up to 80 volts controlled by TTL level (5 volts). Size 35 by 35 mm. Developed for the Armed Forces of Ukraine.