Marcus's Playground

Web Projects

A personal hub for experiments, tools, and things I've built — mostly to learn, sometimes to share.


Active Projects

₿

BTC Signal Monitor

Live macro, technical, and geopolitical dashboard for Bitcoin accumulation decisions.

May 2026 →
✝️

Saturday Doctrine Lessons

Systematic doctrine curriculum for Jadon & Mya — taught over Saturday brunch at IHOP. Adoption is queued up next.

March 2026 →
📚

Jadon's Reading Tracker

Tracks every book Jadon reads with comprehension test scores and links to question & answer PDFs.

March 2026 →

Archived Projects

⛪

Pastor Pei — Substack Launch

Archived

End-to-end AI pipeline that translates, designs, and publishes 347 Chinese pastoral writings to Substack — fully automated with Claude + Python.

May 2026 →
🏊

Mya's Swimming Plan

Archived

Training plan to take Mya from A Standard to AA Standard in the 100 Free and 50 Free.

March 2026 →
⚔

Minecraft PVP Trainer

Archived

Browser-based 3D PVP trainer for Jayden — practice w-tapping, strafing, and stun slamming in a Minecraft-style arena.

March 2026 →
🏔️

Spring Break 2026

Archived

Yeng/Hsia family trip itinerary — Zion, Brian Head skiing, and Las Vegas. Mar 15–20.

March 2026 →
⚡

Tesla Decision Guide

Archived

Interactive family guide for the Tesla purchase — models, costs, financing options, and a recommendation.

March 2026 →