Home on Robot Daycare
- 2026-08-26: Making fast, pressure-sealed thermocouple probes
- 2026-06-20: Painted Zipp
- 2026-05-26: Drafting Table: an engineering sketchbook
- 2026-04-20: Low-profile two-piece vises for the CNC router
- 2026-04-15: Good Bonds
- 2026-03-12: Electric motor scaling laws and inertia in robot actuators
- 2026-03-02: Machining new endcaps for a DT Swiss hub
- 2026-02-17: Machining a saddle clamp for the Zipp
- 2026-02-11: Zipp 2001 Restoration, Part 1
- 2026-01-16: A new toolpost spindle, part 1
- 2025-10-05: Kart Rear Brake Mounting
- 2025-09-01: And We're Back
- 2025-07-16: A year of adventures
- 2024-12-09: Drive Units Mounted
- 2024-11-17: Drive unit mounting parts
- 2024-11-10: Kart Steering Yoke
- 2024-10-31: Go Kart Revival Part 1: Drive Units
- 2024-10-19: Working on the kart again
- 2024-09-24: Off on an adventure
- 2024-05-22: Spinning Drive Unit
- 2024-04-20: Assembled Rotors
- 2024-04-15: That's looking like a drive unit
- 2024-04-05: Making More Kart Parts
- 2024-03-07: Ring Gear Machining
- 2024-02-29: Ice Trike
- 2024-02-19: Stator Assembly
- 2024-02-05: Lathe Spindle Motor Upgrade
- 2024-01-20: More motor housing machining
- 2024-01-08: Printed Motor Housing First Post-Machining Operation
- 2023-12-19: Machining some lock rings
- 2023-12-09: Big Kart New Beginnings
- 2023-11-28: Press Tool Trick
- 2023-11-06: Finally some lathe tool organization
- 2023-10-13: Hopper Stabilization Hardware Progress
- 2023-10-06: Trike Revival for the BD Car Show
- 2023-09-29: A hilarious situation
- 2023-07-18: Balancing Leg
- 2023-07-04: Leg + reaction wheel doing stuff
- 2023-04-19: New capacitor for Yottacoil
- 2023-02-26: Reaction wheel motor assembly
- 2023-02-17: Dovetail Vise Fixtures
- 2023-02-12: Reaction wheel assembly
- 2023-02-07: Reaction Wheel Mount Op 1, Pulley Weight Reduction
- 2023-01-19: Reaction Wheel
- 2023-01-10: Back to making shiny things
- 2022-11-26: Lathe DRO Installation
- 2022-11-02: Mini Cheetah Clone Teardown
- 2022-09-25: Mini Cheetah Clone First Test Drive
- 2022-08-30: More Coiling
- 2022-07-10: Varying Pitch Screw Robot: Finishing the Mechanism and First Tests
- 2022-06-27: First outdoor tests of the screw mechanism!
- 2022-06-22: Finished Test Fixture
- 2022-06-01: Hopper test fixture
- 2022-05-10: More Screw Mechanism Testing
- 2022-04-29: Screw moving under power
- 2022-04-27: Guide Rollers
- 2022-04-20: CPW Coiling
- 2022-04-19: Clausing 4901 Moving and Restoration
- 2022-04-15: Chips
- 2022-04-12: Lathe Preview
- 2022-03-30: Tool Holder Tightening Fixture
- 2022-02-28: Varying pitch screw robot build progress
- 2022-02-27: Another weird part
- 2022-02-20: Ioniq HSG
- 2022-02-11: Foot Mechanism Prototype
- 2022-01-30: Motor housing
- 2022-01-26: Organization
- 2022-01-15: Spinning things!
- 2022-01-12: Undercutting tool
- 2022-01-09: Screw mechanism progress
- 2021-11-14: Today's contraption
- 2021-11-11: It exists!
- 2021-10-11: *gloop*
- 2021-09-09: Closed Loop Espresso Part 2: Firmware Estimation and Control
- 2021-08-13: Espresso machine software testing
- 2021-08-04: Adjustable Puck Simulator
- 2021-07-12: Mill enclosure is almost done
- 2021-07-06: Mill Enclosure
- 2021-06-29: Half way done
- 2021-06-04: The scrap pile grows....
- 2021-05-20: Gratuitous simultaneous 5-axis
- 2021-05-19: Stainless Shaft
- 2021-05-02: Varying pitch screw machining
- 2021-04-16: New motor drive firmware
- 2021-04-07: Pressure control, 1 kHz USB data logging
- 2021-04-05: STM32 USB CDC + PyUSB Data Transfer
- 2021-03-23: Frequency response measurement
- 2021-02-26: Closed Loop Espresso Intro
- 2021-02-22: First Shot
- 2021-02-17: Espresso Machine Group Head Machining
- 2021-02-03: Reassembling the "shop"
- 2021-01-18: First attempt at shrink fit tool holders
- 2021-01-10: Pretending the mill is a lathe
- 2021-01-08: Thin Part Fixturing
- 2021-01-02: Gourd Ukulele Modifications
- 2020-12-29: Gear Pump Closed Loop Pressure Control
- 2020-12-28: Inaugural Photo Dump: 5 Axis Mill At Work
- 2020-12-28: New Photo and Video Feed
- 2020-12-09: La Pavoni Europiccola Lever Espresso Machine Restoration
- 2020-11-18: Transmission Ratio Trajectory Optimization
- 2020-11-16: Music Server
- 2020-10-28: Another batch of furuta pendulums
- 2020-10-06: Benchtop 5-Axis Mill
- 2020-08-31: Varying pitch screw mechanism
- 2020-07-23: A decade of project blogging
- 2020-06-07: Simple Dynamics With Varying Transmission Ratios
- 2020-04-18: Titanium anodizing experiment
- 2020-01-21: New High Power Motor Drive
- 2019-12-16: Planar Magnetic Headphones
- 2019-12-16: The Mini Cheetah Robot
- 2019-12-16: The Rubik's Contraption
- 2019-12-16: Furuta Pendulums
- 2019-12-16: Machined Electric Travel Ukulele
- 2019-12-16: Motor Dynamometer
- 2019-12-16: Furuta Pendulum(s): Building some more
- 2019-11-29: Building All The Robots
- 2019-11-07: So Many Robots
- 2019-11-01: Motor Temperature Estimation Without a Sensor
- 2019-06-01: Mini Cheetah at ICRA
- 2019-03-04: Hello There, Mini Cheetah
- 2019-02-09: Big Dyno Up And Running
- 2018-12-22: Planar Magnetic Headphones, Part 3: Finishing Up
- 2018-12-02: CORE Outdoor Power PCB Motor Teardown
- 2018-09-29: Controlling Phase Current Harmonics with FOC and AFC
- 2018-08-21: Thermal Testing, Round 2
- 2018-07-04: Thermal Testing
- 2018-06-17: Integrated Motor Controllers V2: Searching for the noise
- 2018-05-27: Big Dyno Beginnings
- 2018-03-07: The Rubik's Contraption
- 2018-02-18: Small motor controller with integrated position sensor
- 2017-12-31: Controls Ramblings: How to get from Point A to Point B very fast (and stop)
- 2017-11-02: Stall Torque Test Stand
- 2017-10-27: A brief introduction to the big go kart, and machining some PolyChain sprockets
- 2017-10-04: Extremely Chinese Brushless Power System Dyno-ing
- 2017-09-17: Planar Magnetic Headphones, Part 2
- 2017-09-01: Dynamometer Database
- 2017-08-21: Planar Magnetic Headphones, Part 1
- 2017-08-14: Reamer Regrinding
- 2017-05-31: Vector Hysteresis FOC
- 2017-05-30: Toolpost Spindle, Part 2
- 2017-05-30: Motor Dyno Efficiency Mapping
- 2017-05-08: EMRAX Motor Teardown
- 2017-03-31: Encoder Autocalibration for Brushless Motors: Offset and Eccentricity
- 2017-03-31: Lathe Toolpost Spindle
- 2017-02-12: E-Mount to Sinar View Camera Adapter
- 2017-01-27: LEM-On-A-Stick
- 2017-01-21: Motor Dyno: The Talk-To-Everything Board, and Other Updates
- 2017-01-14: Return of the Snow Bike: It actually works now
- 2016-12-21: Some Motor Math and Simulation
- 2016-10-31: Small Motor Controllers, Round 2
- 2016-10-09: Motor Dyno Updates, First Tests
- 2016-08-29: Introducing the GigaTroller
- 2016-08-29: Small Motor Dynamometer: The Beginnings
- 2016-08-26: Desktop Inverted Pendulum Part 2: Control
- 2016-08-13: Desktop Inverted Pendulum, Part 1
- 2016-05-22: Documenting all the things
- 2016-05-06: Slow-Motion Jump
- 2016-05-04: More Jumping
- 2016-04-25: Jumping Leg
- 2016-04-22: I'm Back to Building Robot Arms
- 2016-04-13: Torque Ripple Characterization and Position/Impedance Control
- 2016-04-05: Motor Module
- 2016-03-22: New Boards!
- 2016-02-28: Planetary Gearboxes
- 2016-02-03: Motor Control Progress: Working Hardware, and a Field Oriented Control Implementation
- 2016-01-25: Snow Bike Part 2: How Does Snow Work?
- 2016-01-21: Emergency Snow Bike, Part 1
- 2016-01-15: Closed Loop Subwoofer With Interferometer Feedback, Part 2: The Hardware
- 2016-01-06: Motor Characterization for Small Running Robots
- 2015-12-29: High-Speed Quadrature Decoding with the STM32F4 Nucleo...Because Lasers and Bass
- 2015-12-23: Metal Electric Ukulele
- 2015-12-21: Benchtop Lathe
- 2015-11-20: Shiny Lathe Pictures
- 2015-11-03: The Tiny Lathe is Working!
- 2015-10-17: Ball Turner
- 2015-09-07: Motor Mount and Bearing Shields
- 2015-09-06: Tiny Tool Post
- 2015-08-27: Mini Lathe Pulleys
- 2015-06-08: Spindle and Headstock Machining
- 2015-05-25: Mini Lathe Handwheels
- 2015-05-20: Cutting a Rack Gear on a Bridgeport
- 2015-05-20: Compound Slide
- 2015-05-04: Cross Slide, Take 2
- 2015-04-20: The Longboard Has Gone Too Long Without a Motor
- 2015-03-29: BendyPack
- 2015-03-11: New Cross Slide
- 2015-03-02: Taig Mini Lathe
- 2015-02-15: Finishing Up the Coreless Motor
- 2015-02-07: Coreless Axial Flux Motors
- 2015-01-26: Some Long Needed Updates to the Big Scooter
- 2015-01-23: Trying to Crack the EC Desk Safe
- 2015-01-18: A Box for a Plane
- 2014-12-29: 2014 East Campus Roller Coaster
- 2014-12-28: East Campus Roller Coaster: Actually Building the Thing
- 2014-12-15: Turning An Outrunner Stator Into A Really Bad Induction Motor
- 2014-11-30: Robot Arm Z-Axis and Custom Servo Drive
- 2014-11-02: Roller Coaster Mechanical Design: How to Make Solidworks Really Sad
- 2014-09-30: iPad Retina Display External Monitor
- 2014-09-30: Roller Coaster Track Design
- 2014-09-03: Carbon Fiber Scooter
- 2014-08-16: It's Time
- 2014-08-07: Chibi Atomic Jeep, the Power Racing Series, and the Detroit Maker Faire
- 2014-07-18: Various Updates to the Tiny Go-Kart
- 2014-07-04: The Reason I Haven't Updated Anything in a Month
- 2014-06-06: Spontaneous Hub Motor
- 2014-05-21: External Display from an iPad LCD, Part 2
- 2014-05-15: External Display from an iPad LCD, Part 1
- 2014-05-12: How Not to do 2.007
- 2014-04-23: Adding Gears to the Oar Bike
- 2014-03-27: What's Happening With the Robot Arm?
- 2014-02-24: How to Build a Mini Electric Go-Kart in a Day
- 2014-02-08: Robot Arm, Now With The Drawing Ability Of A 5-Year-Old
- 2014-01-28: A Tale of Two Robot Arms
- 2014-01-24: Fun With Encoders
- 2014-01-18: Now It Looks Like A Robot Arm
- 2013-12-29: More Snow Scootering
- 2013-12-16: Snow Scooter!
- 2013-12-16: Belt Reduction #2 Finished
- 2013-12-02: All Terrain Scooter Redux
- 2013-11-30: CNC Everything
- 2013-11-07: Electric Tricycle: 9 Month Service, Painting, and Data Collection
- 2013-10-31: Robot Arm: Testing Construction Methods and More Design
- 2013-10-12: A Really Really Fast Robot Arm
- 2013-10-05: Gourd Ukulele
- 2013-09-29: Finishing up the Giant Scooter
- 2013-09-04: Rotating Climbing Wall
- 2013-08-31: The Building of the Climbing Wall
- 2013-08-14: Scooter Mega-Update: Piling on the Absurdity
- 2013-07-29: Bot Blast Recap
- 2013-07-20: One-Week Battlebot Blitz
- 2013-07-12: The Rebirth of the All-Terrain Scooter
- 2013-06-24: REX 2013 Project: Rotating Climbing Wall
- 2013-06-18: Gourd Ukulele, Part 2
- 2013-06-04: Gourd Ukulele, Part 1
- 2013-05-16: Electric Tricycle, now with Gaudy Lighting
- 2013-04-28: Zero-Dollar Carbon Fiber Bicycle
- 2013-04-15: Bike, Trike, and Science
- 2013-03-29: PocketBoard v2: Metal Edition
- 2013-03-29: Another Differential
- 2013-03-26: Electric Tricycle
- 2013-03-25: It Almost Looks Like A Bicycle
- 2013-03-04: Tricycle Shenanigans, Pre-CPW Stress Testing
- 2013-03-04: Playing with Real Carbon Fiber™
- 2013-02-11: Laminated Chainstays
- 2013-02-05: OarCycle: Tacked Front Triangle
- 2013-02-02: Bike Frame Jig
- 2013-01-30: A Preview of Upcoming Projects
- 2013-01-29: Autonomous Anti-Mouse Sentry Turret
- 2013-01-24: Battery Building, Motor Woes, and a Rideable Tricycle
- 2013-01-16: Motorized Projector Screen
- 2013-01-12: Mechanically Finished Tricycle
- 2013-01-04: PocketBoard
- 2012-12-31: PocketBoard Part 2: Now it Need Wheels
- 2012-12-28: PocketBoard: The Tiny Oak Skateboard
- 2012-12-17: Improper Use of Machinery
- 2012-12-02: Building the Differential
- 2012-12-02: Assorted Tricycle Updates
- 2012-11-20: Soon-To-Be-Named Three-Wheeled Electric Thing
- 2012-11-04: Monitor Arm
- 2012-10-28: Nyan Hat
- 2012-10-28: Finishing Nyan Hat
- 2012-10-21: Nyan Hat: Nice Lasered Things and More
- 2012-10-14: New Project: Nyan Hat
- 2012-10-04: Post-Maker Faire Update
- 2012-09-22: Scooter Accessories
- 2012-09-15: Loft
- 2012-09-14: Scooter vs. UPS
- 2012-08-19: Blacksmithing: Year 3
- 2012-08-11: Chain Tensioner V3: So Close...
- 2012-08-04: It Floats!
- 2012-07-28: Electric Scooter: Drivetrain Refinement
- 2012-07-23: Site Change
- 2012-07-06: All-Terrain Electric Scooter
- 2012-06-01: Graduation Glasses
- 2012-03-18: MIT Tube Hack
- 2012-03-17: Impossible Circuit
- 2012-01-28: Arduino Game Port Interface
- 2011-11-24: Retro Rechargeable USB Booster
- 2011-10-30: Shellback Dinghy
- 2011-09-22: iMac Mini
- 2011-08-30: Tree Climbing Robot
- 2011-08-16: Predator-Prey Simulation
- 2011-08-16: More Blacksmithing
- 2011-06-25: Dual L298HN Motor Driver
- 2011-06-23: GUI Controlled LED Matrix
- 2011-06-05: Useless Machines
- 2011-04-17: How to Fit Your PC in a Power Mac G5 Case
- 2011-04-02: Bench PSU
- 2011-03-16: Doodle4Google Entry
- 2011-02-19: Birch and Mahogany Home Theater PC
- 2011-02-13: Triple Monitors
- 2011-01-15: Artillery Game
- 2010-11-06: Python Game and Cipher
- 2010-09-27: Carbon Fiber Bike Light Holder
- 2010-09-17: Battery Powered Ipod Box Speakers.
- 2010-09-08: Building a Bamboo Bike Frame
- 2010-08-25: Rocket Car
- 2010-08-10: Blacksmithing
- 2010-07-11: Skull Flash Drive Mod
- 2010-07-07: Water Cooled Laptop
- 2010-07-04: Mini Ipod Speakers
- 2010-07-03: Book Speakers
- 0001-01-01: About
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