Kevin Chung
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electronics

A collection of 3 posts
Taking over a Dead IoT Company
electronics Featured

Taking over a Dead IoT Company

5 years after NYCTrainSign collapsed, I investigate why the company failed and end up writing an exploit to take over their fleet.
Jan 9, 2023 15 min read
Pimp My Walmart PC
hardware

Pimp My Walmart PC

TL;DR Reverse engineering HP's proprietary PSU so that we can make a cheap gaming PC with parts from Walmart and an old GPU I'm no environmentalist but I don't really throw away working computer parts. I use them until they break beyond any sense of repairability. You can call
Jul 30, 2021 10 min read
Making PlayStation 1 Modchips
modchips

Making PlayStation 1 Modchips

When I was young I owned a PlayStation 1 (PS1). It was one of the first, if not the first, game consoles I owned and it had a profound effect on my future. I can trace the history of how I got involved in computers back to playing and modding
Jun 21, 2018 7 min read
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