E1002 Portrait Stand

3d-printing

A desk stand for a Seeed reTerminal E1002 e-paper frame, designed in OpenSCAD with Claude Code and printed in a day.

Sep 6, 2026

Commute Time by Neighborhood

code
Our neighborhood is in a suburb of Houston that is just off of a major highway that many people use for commuting. It’s a convenient place to either commute North into…
Jun 14, 2024

DIY Reef Tank Flowrate Monitoring

reef
For about $10 I was able to add a sensor to my return line and monitor flowrate using ESPHome and Home Assistant. I used a cheap hall effect flow rate sensor off of Amazon.…
Jan 18, 2021

DIY Reef Tank pH Monitoring

reef
I added pH monitoring to my reef tank for about $80. I bought a pH probe and the associated PCB from Atlas Scientific and integrated it into my reef tank controller using…
Jan 11, 2021

Automating Reef Tank Temperature Control using ESPHome + Home Assistant

reef
The next step in my reef automation is adding temperature control. I started off with a cheap $30 standalone thermostat module – it works well but it’s super basic and the…
Dec 3, 2020

Adding WiFi Control to an LED Reef Light

reef
A few hobbies I’ve been getting into recently are saltwater reef aquariums and home automation. This little project was a bit of both. I bought 2x 165W LED lights off of…
Nov 16, 2020

Self Diagnosis of Periodic Limb Movement Disorder Using Python & OpenCV

code
So for years I’ve always felt excessive daytime sleepiness and fatigue. Once I finally got a job after school I now had health insurance and money to start looking into the…
Aug 1, 2019

Nixie Clock

electronics
This project was a birthday present for my dad. I saw nixie tube clocks online and decided to build one from scratch. Before this project I had barely soldered anything…
Jul 31, 2019

Pixel Clock

electronics
A large (~20” × 30”) wall clock I designed and built. A 3D-printed array of ~1” cubes lines up with cheap APA102 RGB LED strips. An Arduino controls the lighting and reads…
Jul 31, 2019

Building RepRap 3D Printers

electronics
A small gallery of the 3D printers I built around 2012–2013. The first was a Prusa i2 and the second was a Mendel90 (Sturdy). In true RepRap fashion, the i2 was used to…
Jul 31, 2019

Translating Visible Light Spectrometer

The gallery below shows a translatable visible spectrometer I built in grad school. I used this to study CdSe nanoparticle synthesis in-situ at relevant conditions (up to…
Jul 31, 2019

Fusion 360 gasket model

Laser Cutting Gaskets

nissan
I recently got a new 3D printer (Ender 3) and completely stopped using my old one (Wanhao Duplicator i3 Plus). Rather than let it collect dust, I strapped a 450nm 2.5W laser…
Mar 2, 2019

Leaky capacitors — before cleaning

Repairing the Z’s Compass and Acceleration Gauge

nissan
Before I started this repair, the combination gauge with the compass and acceleration readout didn’t do anything — the arrows and backlight didn’t even light up. Here’s an…
Dec 15, 2018

My Driveway Paint-Job

nissan
My Z has looked rough since the day I bought it. Clear coat was peeling and cracking, the bumper was destroyed, etc. I would’ve loved to paint the car properly but I don’t…
Dec 2, 2018

1986 Nissan 300ZX HVAC Repair (Part 1)

nissan
This is part 1 of a series of posts documenting the HVAC repair on my 1986 Nissan 300ZX.
Nov 30, 2018
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