Articles
5 articles in total
How I Used Dynamic Programming to Optimize Classroom Ventilation
A mathematical modeling project about balancing CO₂ concentration and indoor temperature in winter classrooms by using dynamic programming to find better ventilation strategies.
How I Cut Campus Server Latency by 73%
I simulated our school server on a Raspberry Pi, tested different load balancing strategies, and built a campus website to measure the improvement. Results show that it reduces 73% latency.
How I Built a Fall Detection App with Kotlin
My grandfather fell at home and could not reach his phone. Apple Watch has fall detection, but most people cannot afford one. So I built an app that uses a phone's accelerometer to detect falls and send alerts.
How I Won the Structure Challenge by Breaking My Own Design
In the Maker Contest, we had to build a structure using the least material to hold the most weight. Halfway through gluing, I realized some sticks were in the wrong place. Then I looked at the base.
How I Built This Website for 8 RMB（1.2 USD）
How I deployed my personal blog from an open-source GitHub project with Cloudflare Workers and an Alibaba Cloud domain, for a total cost of around 8 RMB.