Isopack Blog
2024
About that Groq demo
How to buy an AI server on eBay
2023
Sapphire Rapids for AI: a mini-review
Assorted video decoding tidbits
"Phones are getting better": buying a camera in 2023
2022
The best little telescope that'll never get built
Image a DLP down through a microscope objective and look at it with a camera through the same objective
The State of the CPU Market, early 2022
2021
A Small Astrograph with a Large Payload
GCA 6100C Wafer Stepper Part 2: the stages
GCA 6100C Wafer Stepper Part 1: Intro and Maximus 1000 Light Source
2020
The K39 mini-ITX case
Cambridge Technology 6230H galvo short teardown
2019
Extended Schmidt-Cassegrain
Freefly Systems ARC200 teardown
'unitepower.com' 48V 1800W brushless motor teardown
Feiyu Tech A1000 Gimbal Teardown
2018
Tiny Camera on a Big Lens
Field Weakening, Part 2
IPM's: an overview
High Speed VCR 2018
LinuxCNC on Laptops
Cineforming!
'plotter' and 'logger': Cycle by Cycle Data Logging for Motor Controllers
Fun (?) with an AJA Cion
2017
2016 (Third Generation) Smart ForTwo Electric Drive Drive Unit Teardown
2013 (Second Generation) Nissan Leaf Drive Unit Teardown
Field Weakening, Part 1
Focusing on the Ground
Obligatory 2017 Eclipse GIF
Super Plumbing
IPM Low-Speed Optimization
Plumbing Electrons
Sonata Pack Module Testing
The Motor Equations
Go-Kart plumbing
New Go-Kart!
An interesting scope trace
Hyundai Sonata Hybrid battery pack teardown
Characterizing Ryzen R7 overclocking behavior
2016
Bremsproject Season 2 - Part 1: New Electronics
View Camera Part 1
2015
Turning Used Car Parts into Silly Vehicles Part 4: BREMSTHESIS 2
Turning a Machine Vision Camera into a Digital Cinema Camera
Turning Used Car Parts into Silly Vehicles Part 3: Totally FOC'ed
Turning Used Car Parts into Silly Vehicles 2: Prius Brick
2014
RY40511: a few notes
Frozen Chainsaw Massacre Part 2: New firmware
Frozen Chainsaw Massacre: Ryobi RY40511 Cordless 40V Chainsaw on a scooter
Greenlight HPS Part 3: Planning an Attack
Greenlight HPS Part 2: First Light
Greenlight HPS Part 1: Getting to Know You
Sinusoidal Arduino BLDC controller
2013
Fun with USB
So I found this camera on eBay...
2012
oneTesla: the Kickstarter
SPUN TOROID
Miscellaneous oneTesla fluff
Tesla Tower
The beginning of something wonderful...
oneTesla update: Kramnik is magical
oneTesla update (again)
oneTesla update
quadFormer
oneTesla
Brickscooter Part II: Buscaps are good, I think
Induction Heater
So I decided to build a scooter...
SR2 part 2
Fun with a SR-2
Hysteresis Control Simulations
2011
Musings about a 600A QCW coil
Gate Drivers!
QCW DRSSTC Bus Modulator
Good morning!