Long story short, I am at a troubling point in my life. I am struggling with what to do next so I have been assembling ideas from various places. I am a fan of interviews (usually on podcasts) as it gives you a glimpse of what someone else is going…

Topics: Using Parquet, Athena + ETL, API Hosting — Finalizing the Round Explorer At the end of the previous blog post, I was still exploring how to build the Round Explorer. While I understood how to cache and load the data (using Parquet files + parquet-wasm), I still needed to write the code to upload the individual rounds to the bucket. …

design choices and lessons learned — Over the last two months, I have built vx-data.com which is a website to analyze the match replays for Veiled Experts, a tactical 5 versus 5 first-person shooter. I fell in love with the game during the public beta and wondered what the underlying data said about the state of…

for Uniswap V2 and Sushiswap-like exchanges — I have spent the last few days investigating AMM swapping to build a connector implementation for Hummingbot. While some libraries exist to calculate the swap, I found some missing pieces that I would like to document here. Hopefully, this will help fellow developers understand the pieces of an AMM swap. Swapping and Market Making …

where to start when building and simulating robots — This post will cover: The building blocks of Robot design Detailing some components on the ROS2/RVIZ2 side Replicating and explaining interactions between ROS2 + Gazebo + ros2_control (which can be used later for motion planning) This will include links to other tutorials which are necessary to build knowledge in specific…

How to create Point Clouds using two USB cameras — Background The ROS image_pipeline packages provides several tools to help with computer vision. In particular, they provide ROS2 nodes to help get stereo vision working. This blog post will detail how to setup this image pipeline and cover some of the issues I faced along the way. While you may be…

disclaimer: not investment advice! — As the pandemic has kept us all inside, I’ve been looking at new hobbies and new ways to grow. I have taken some interest in professional sports but have never really found myself as invested as others around me. One of my friends insists that purchasing an app or tool…

After waiting ~7 years, I decided to check eBay again and finally found Google Glass bidding at ~$200. While I missed one of the auctions, I happened to find another unit bidding at $150 and selling for $200 + shipping. I immediately purchased the unit and received it in the…

with Raspberry Pi 4 and balenaCloud — For the last few years, I have been particularly interested in automation as it relates to producing food. Part of this idea was explored in my previous post about growing mushrooms at home (link to previous post). The goal of this project is to try and track the growth of…