Luis Manuel Carbajal Herrera
Systems engineer
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Projects

Grouped by their real status, not by technology: what's online right now, what works but I haven't published, and what I started and put on hold. I say since when in each case. The places where I've worked are under Experience.

Almost all of them started as a question I couldn't let go of. I build them to understand how things work inside, and I publish them even when they're not finished5 online · 3 finished · 3 paused · 3 other.

Online

5

You can open and use them today. The date says since when.

Reto Trivia Huánuco: the game's home screen, with the title HUÁNUCO over the map of the eleven provinces drawn like an old chart and the slogan “Conquer the eleven provinces” (in Spanish)

Reto Trivia Huánuco

Jul 2026 — present · React · Three.js · Cloudflare · online

Conquer the eleven provinces of Huánuco by playing, on a map built from real geographic data.

OpenCode
HorarIO: the weekly calendar with Classes, Lunch and Study blocks from Monday to Friday and, on the right, the open tool wheel with the Expand option highlighted (labels in Spanish)

HorarIO

May 2026 — present · TypeScript · Expo · online since Sep 2026

You plan your week by dragging blocks and see how many hours you still need in each category. Right-click opens a tool wheel.

OpenCode
Memorias RPU home page: “National Exchange, an experience that brought us together” (in Spanish), with the class group photo and trip photos in polaroid frames

Memorias RPU

Jul 2026 · TypeScript · online

Memories of the Peruvian University Network's national exchange program: testimonials, photos and the class nicknames.

OpenCode
CARDIONET: “Estimates the probability of heart disease from 13 clinical data points” (in Spanish), with the Start assessment button, a heart illustration and the notice that it is not a diagnosis

CARDIONET

Dec 2024 — Apr 2025 · with UNMSM · online since Sep 2026 · scikit-learn · React

Estimates the probability of heart disease with three models that run in your browser, without storing any data. It is not a diagnosis.

OpenCode
Lazar-IA: “The freedom to move without depending on anyone” (in Spanish), with a photo of the vest prototype

Lazar-IA Smart Vest · ELEY · LAZARIA

Aug 2024 — present · UNHEVAL · site online since Aug 2026

A prototype vest with computer vision that looks for the obstacles a white cane can't reach and warns the wearer.

First place nationwide in CONADIS's inclusive management awards, Transportation category.

OpenCode

Finished, unpublished

3

They work, but they're not online. I show them with a screenshot.

Futbolito: the table seen from above with the blue and red rods, the scoreboard and the controls legend

Futbolito

playable prototype · JavaScript · Canvas

Table football in the browser with its own physics, no external engine. Rods that slide and spin, and a CPU opponent.

OpenCode
Código revelado: panel of ASCII, dithering, halftone and threshold techniques, with resolution, contrast and brightness settings

Código revelado

Jun 2026 · JavaScript · Canvas · repo pixelart

Turns an image into character or pixel art: ASCII, dithering, halftone and threshold. All in your browser.

OpenCode
Radar del Floro landing page: the title, the line “Satirical guide to spotting political floro · Peru Elections 2026” (in Spanish), the download button and the candidate figures

Radar del Floro

Mar 2026 · Flutter · Node

A satirical game about Peru's 2026 elections: it detects the candidates' floro (smooth talk). Behind it, a custom pipeline that tracks and consolidates their data.

OpenCode

Paused

3

Started and stopped. I'd rather say since when than pretend they're still alive.

Einary

paused · site down since Sep 2026 · Express · Supabase

A children's clothing catalog with WhatsApp orders and an internal panel to manage products and appearance.

OpenCode

Yhozu-e

phase 1 · paused since Jul 2026 · Next.js · Supabase

An electronics store shipping across Peru. Each order comes with a QR code that unlocks a collectible sticker.

OpenCode

ALPAKITAY

Aug 2023 — Feb 2024 · UNHEVAL · Flutter

An app for learning Central Quechua: a collaborative dictionary, lessons and quizzes.

OpenCode

Other work

3

Exercises and small pieces. No cards: the year, what they were and the code, in case anyone wants to look.