Pavlo D.

Embedded Systems & Microcontrollers

13 2
4.4
1 836
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BMS-1cell
299
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
494
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
Leonid Kohan

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…
Maksim Svirchevsky

C & C++ · Embedded Systems & Microcontrollers

10 0
1 004
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program for electronic scoreboard
191 USD
401
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
364
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)
79 USD
364
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
421
Timer - fuse
Embedded Systems & Microcontrollers
Design: Activation time from 30sec to 3min (adjustable by potentiometer). Dimensions = 35mm*49mm.
Visual notification system for cyclists
157 USD
343
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…
Oleksandr Kovalchuk

Bot Development · Python

12 0
5.0
894
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A Software Developer with 3+ years of experience in building web applications, chatbots, custom automation solutions and AI-integrations. I specialize in delivering secure, scalable, and efficient systems tailored to client needs. What I Do • Backend Development – Creating and maintaining backend solutions for e-commerce, trading algorithms, and automation bots using Python, Django, and REST APIs. • Frontend Development – Building responsive and user-friendly interfaces with React, Tailwind, Bootstrap, and modern JavaScript tooling. • Chatbot Development – Integrating APIs and automation…
Oleksii Mamontov

Embedded Systems & Microcontrollers · C & C++

9 0
5.0
630
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USBCANFD_2 adapter with galvanic isolation for CANFD
24 USD
221
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
432
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
356
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
365
Flashlight control module
Embedded Systems & Microcontrollers
Flashlight control module with various functions, ultra-low consumption stm32l0
CAN module for DC motor control
287
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
Aleksandr Malygin

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
530
Hydroponics controller on Arduino Mega
Embedded Systems & Microcontrollers
Automaton for supporting environmental parameters for plant life support.
Volodymyr Tretiakov

Embedded Systems & Microcontrollers · C & C++

2 1
567
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Telemetry
2020 USD
459
Telemetry
Embedded Systems & Microcontrollers
The “telemetry” project: developing schematics to reduce costs and improve functional capabilities and reliability; the development of a digital current sensor; the development of the calibrator to ensure the automation of the calibration…
Roman S.

Embedded Systems & Microcontrollers · Desktop Apps

2 0
545
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Високочастотний вимірювач потужності.
90 USD
63
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
98
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.