Oleksandr K

Oleksandr K

Ukraine

Embedded Systems & Microcontrollers · Tuition

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Control module based on Atmega 32
78
Control module based on Atmega 32
Embedded Systems & Microcontrollers
Universal control module for connecting sensors 4...20 mA, PNP, NPN, NO, NC logic, keyboard (16 buttons) with opto-isolated outputs (including 2 power outputs 60V 3A).
Ed Velichko

Ed Velichko

Ukraine

HTML & CSS · Java

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Profile Description (HTML / CSS / JavaScript) I do small website edits and interface adjustments. I work carefully with existing code, without unnecessary complications. What I can do: HTML / CSS fixes small JavaScript adjustments correcting layout and block display changing text, images, and links simple mobile adaptation image optimization (reducing size, WebP) improving page loading speed (lazy loading, basic optimization) JavaScript: simple scripts handling clicks and forms showing/hiding blocks small interactive elements editing and fixing existing JS code What I work with: plain…
Kostiantyn Shtykov

Kostiantyn Shtykov

Ukraine

Java · Javascript and Typescript

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I am a Java / Full-stack developer with a strong focus on backend development and application security.I work with Java and Spring Boot, building REST APIs and implementing authentication and authorization using JWT, OAuth2, and Keycloak. I have experience configuring roles, access permissions, resource servers, and integrating backend services with frontend applications.I also work with React / Next.js and TypeScript, creating clean and user-friendly frontends such as admin panels, user dashboards, forms, and dynamic data-driven pages. For styling, I use Tailwind CSS.In my work, I follow…