Є заряд (Ye Zaryad) — blackout charging planner (PWA)
Vadym Bilobrovets
A free web app for people in Ukraine living with scheduled power outages. You paste the outage schedule or tap the hours, add your devices (phone, power bank, laptop, router, flashlight, charging station), and it simulates the next 24 hours: what runs out and when, what to charge first and by when, with one-tap calendar reminders. Works offline as a PWA. Planned with the Devpost Learn Skill Pack and built with an AI coding agent; 32 unit tests and 2 end-to-end tests. Built solo in October 2026 for Build With AI: Basics.
Role: solo developer. Stack: React, TypeScript, Vite, PWA, Vitest, Playwright, GitHub Pages.
Demo video: https://youtu.be/rqMUkSHbxCA
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Posted Oct 18, 2026
Paste your blackout schedule, add your devices, and see what will die and what to charge first. Works offline.
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Timeline
Oct 1, 2026 - Oct 31, 2026
