C/CPP stm32 prototyping avr PCB esp8266 esp32 delphi python pascal telegram bot
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
519
Hydroponics controller on Arduino Mega
Embedded Systems & Microcontrollers
Automaton for supporting environmental parameters for plant life support.
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
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…
Volodymyr Tretiakov

Volodymyr Tretiakov

Ukraine

Embedded Systems & Microcontrollers · C & C++

2 1
567
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Telemetry
2010 USD
457
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…
Oleksii

Oleksii

Ukraine

Embedded Systems & Microcontrollers · C & C++

4 0
82
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4-channel regulator on STM32
265
4-channel regulator on STM32
Embedded Systems & Microcontrollers
Four-channel fan speed controller with temperature monitoring.
Test Equipment Controller
243
Test Equipment Controller
Embedded Systems & Microcontrollers
Test equipment controller with sound alerts and GPS
Dmitro

Dmitro

Ukraine

Embedded Systems & Microcontrollers · Engineering

0 0
195
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Technical Lead and System Architect for mission-critical embedded and communications infrastructure deployed under real operational field conditions. Scope of work: - Design and deployment of distributed autonomous systems with high-reliability requirements (99.9%+ operational uptime) - Power management system architecture: autonomous operation, battery life optimization, failover logic - Firmware and hardware integration for real-time embedded systems (bare-metal + RTOS-based, C/C++) - Security architecture: cryptographic protocol implementation, authentication systems, encrypted…
Kostiantyn Chernyshov

Kostiantyn Chernyshov

Ukraine

Embedded Systems & Microcontrollers · Interface Design (UI/UX)

2 2
122
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Two-controller STM32 + STM8 control module
255
Two-controller STM32 + STM8 control module
Embedded Systems & Microcontrollers
Completed two-controller STM32 + STM8 (SOP20) control module designed for receiving commands and sending status (information, temperature) to the central control console. The actuator device is a bistable relay. The second controller (STM8) is a…
Payment for the executive device according to the RS-485 Modbus protocol
212
Payment for the executive device according to the RS-485 Modbus protocol
Embedded Systems & Microcontrollers
Prototype STM32 (SOP20) control module designed for receiving commands and sending status (information, temperature) to the central control console. A DC-DC converter up to 40 volts is used for power supply, with an RJ-45 connector, and the Modbus…
6-channel relay control board
254
6-channel relay control board
Embedded Systems & Microcontrollers
Implemented using shift registers, meaning it can scale up to 64 relay channels. The board for placing the controller is universal-modular, designed for 20 contacts, for soldering STM32 (LQFP32). Connectors, fuses for each channel, and a pulse DC-DC…
Wiring for SOP-20 package (STM8/STM32)
196
Wiring for SOP-20 package (STM8/STM32)
Embedded Systems & Microcontrollers
Soldering adapter for SOP-20 package. The printed circuit board has a solder mask applied. Tinning is possible both chemically (cold) and with various types of low- and high-temperature solders (and solder pastes of the BGA type). In the photo -…
STM32 control board
242
STM32 control board
Embedded Systems & Microcontrollers
On the right - the board on STM32 (SSOP-20). On the left - similar functionality on ATTINY13 (DIP-8). The test board is a worn-out, soldered-resoldered 10 times sample, on which characteristics, logic, load, etc. are tested. The final version is…
Valentyn Linchevskyi

Valentyn Linchevskyi

Israel

Engineering · Embedded Systems & Microcontrollers

6 0
97
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My experience of more than 15 years covers the following areas: 1. Hardware Development 2. Software Development(C/C++, Python) 3. PCB Design with EMC Requirements We offer Professional PCB design services. The approach is based on the use of advanced tools and technologies to ensure high performance and reliability of printed circuit boards while taking into account EMC requirements. Reverse engineering services that help you retrofit an existing device and create a new, reliable device. This takes into account the availability and maintainability of components to ensure…
Docking station for tablet
206
Docking station for tablet
Embedded Systems & Microcontrollers
Docking station to connect to the tablet from the back. 3 USB3 ports and one 100M LAN port
Back Cover Ethernet Card
299
Back Cover Ethernet Card
Embedded Systems & Microcontrollers
Small Ethernet card, for installation on the back of the tablet
Yurii Chubenko

Yurii Chubenko

Ukraine

Web Programming · Embedded Systems & Microcontrollers

2 0
96
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The Overda Retus
670 USD
577
The Overda Retus
Embedded Systems & Microcontrollers
Air quality monitor with WiFi, Bluetooth and analysis functions