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Andy Kong
Andy Kong

152 Followers

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6 days ago

How To Apply Anti-Aliasing in PrusaSlicer

I recently acquired a DLP 3D printer, which uses liquid resin that cures into a solid under UV light. The resolution is much better than a traditional FDM printer, and can even enable the 3D printing of lenses. These printers deposit a layer of material at a time, using an…

3D Printing

2 min read

How To Apply Anti-Aliasing in PrusaSlicer Using Gamma Correction
How To Apply Anti-Aliasing in PrusaSlicer Using Gamma Correction
3D Printing

2 min read


May 20

Recording The Serial Monitor Using Processing IDE

Hello dear reader! Recently I found myself sending sensor data from a microcontroller to my computer via the serial port, and ran into trouble recording the data with Processing. At high data rates, new data arrives before I can finish processing the old data! In my endeavor to fix this…

Processing

5 min read

Serial Logging In Processing Using Shell Commands
Serial Logging In Processing Using Shell Commands
Processing

5 min read


Apr 13

Candlestick Patterns Suck

Hello! Recently I’ve been losing money on the stock market. In order to stop losing money, I’ve been reading some books and articles to see if there’s any way that a savvy guy like me can get a read on the markets by just looking really hard at it. …

Finance

5 min read

Candlestick Charts Are Bullshit
Candlestick Charts Are Bullshit
Finance

5 min read


Nov 29, 2022

Playing Faster Tetris By Sleeping Less

Exploring counterintuitive results from my n=1 study. Medical journals, successful people’s biographies, even the alt-nutrition people who eat raw liver: the one thing everyone seems to agree on is that sleeping ~7 hours a night consistently is the best thing you can do for your long-term health. …

Data Science

10 min read

Playing Faster Tetris By Sleeping Less
Playing Faster Tetris By Sleeping Less
Data Science

10 min read


Mar 12, 2022

Identifying A Ruby With Lasers, Magnets, and X-rays

Kings, queens, and rich people everywhere agree: rubies look great. Their clarity and red color make them wonderful, shiny jewelry pieces, and I find them beautiful. But if you’re buying one, there are many similar red, clear gemstones which are much cheaper for the seller to pawn off as ruby…

Gemstone

8 min read

Identifying An Ebay Ruby With Lasers, Magnets, and X-rays
Identifying An Ebay Ruby With Lasers, Magnets, and X-rays
Gemstone

8 min read


Jan 1, 2022

How Trees Fall Apart

Hello! You only get to experience 1 fall a year, and by the time you read this you’re probably older than 15. This means you probably have only 65 falls left in you — remember to do your best to enjoy each one. Anyway, this particular fall I took more…

Nature

2 min read

How Trees Fall Apart
How Trees Fall Apart
Nature

2 min read


Published in

Better Programming

·May 27, 2021

Face Tracking With JavaScript on the Browser (Mobile or Desktop)

Want to build a website that uses face tracking? Well, you’re in the right place! — Today I’m going to show you how to set up a webpage that does real-time face tracking in any browser, mobile, or desktop. I’m doing everything in HTML and JavaScript to allow for cross-device portability. …

Programming

14 min read

Face Tracking With JavaScript on the Browser (Mobile or Desktop)
Face Tracking With JavaScript on the Browser (Mobile or Desktop)
Programming

14 min read


Feb 9, 2021

Keyboards vs. Brain-Computer Interfaces

Hi! Today we’re going to be comparing the usability of various household devices (Microwave, TV remote, keyboard, etc.) against those of research devices (like eye trackers and brain-computer interfaces). Information Transfer Rate and Bits/Min To do this, we’ll be investigating each device’s information transfer rate (ITR), or how fast the user can communicate with the…

Brain Computer Interface

14 min read

Keyboards vs. Brain-Computer Interfaces
Keyboards vs. Brain-Computer Interfaces
Brain Computer Interface

14 min read


Jan 16, 2021

Accessing Smartphone And Laptop Cameras In The Web With Javascript

Hello! Today I’m going to show you how to access the built-in cameras in-browser, on computers and mobile devices using Javascript. In this series, I will show you how to set up a simple HTML page that accesses the front-facing camera, runs MediaPipe Facemesh to detect facial keypoints, and then…

Machine Learning

5 min read

Machine Learning In The Web: Accessing Smartphone Cameras with Javascript
Machine Learning In The Web: Accessing Smartphone Cameras with Javascript
Machine Learning

5 min read


Dec 23, 2020

Arduino Function Generator: Square Wave with Variable Duty Cycle

Hi! Not everyone can afford the $2000 for a beautiful function generator like this Agilent 33210A, but everyone deserves to have basic function generation capabilities. So, today I’m going to show you how to make a basic function generator using everyone’s favorite microcontroller: an Arduino Uno! In this post I’m…

Arduino

2 min read

Arduino Function Generator: Square Wave with Variable Duty Cycle
Arduino Function Generator: Square Wave with Variable Duty Cycle
Arduino

2 min read

Andy Kong

Andy Kong

152 Followers

Hi! I’m Andy. I try to make things that haven’t been made before. Check out my personal projects at https://andykong.org/

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