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FPGA Systems, Radio, Logic, And Fabrication

Working systems that cross open one-bit arithmetic, radio, networking, reconfiguration, physical logic, and active-device fabrication.

• FPGA Systems: RF, Ethernet RTL, And Reconfigurable Hardware
• What Hides Under The Clock?
• 64-Bit Continuous Serial Multiplier: 3.375 Million Products/s
• Binary32 Serial Divider: 6.75 Million Divisions/s
• Ethernet To An Adjacent iCE40
• One FPGA Pin Performs A Weaver RF Sum
• One FPGA Pin Transmits QPSK Through Four Quadrature Mixers
• One FPGA Pin Synthesizes 106 RF Channels Across 3 MHz
• How The One-Pin FPGA Weaver Transmitter Combines I And Q
• 8,592 QPSK Bits Through One FPGA Pin And A Resonant Tank
• The HITL Control Loop From RTL Change To Physical RF
• AI Lab Agents Need A Physical Benchmark
• One-Pin FPGA FM Receiver
• Physical MUX Tiles
• MUX Algebra: Every Two-Input Logic Gate From MUXes
• Universal Computation With Multiplexers
• The Missing Maker Fab
• Wafer-Diced Chiplets For Programmable Matter And Claytronics

FPGA And Verilog Course

Build from Boolean logic and FPGA fabric through Verilog, simulation, synthesis, place-and-route, a bitstream, and a programmed iCE40 board.

• All Things All The Time: FPGA And Verilog From First Principles
• What An FPGA Is: ASICs, Bitstreams, Logic, And State
• Inside An FPGA: Logic Blocks, LUTs, Flip-Flops, And Routing
• An FPGA Learning Roadmap: Logic, HDL, Simulation, And Hardware
• Build A Small Verilog Workbench With Icarus Verilog And GTKWave
• Anatomy Of A Verilog Project: Top Modules, Testbenches, And Constraints
• Recreate A CD4029B Counter In Verilog
• Put Verilog On An FPGA: Yosys, nextpnr, IceStorm, And Alchitry Cu

Cartilage Learning Path

Move from one multiplexer to spatially composed, timed, replaceable hardware regions.

• Cartilage: A Spatial Computing Learning Path
• From Logisim And Multiplexers To LUT1-LUT6
• CMOS Inverters As Amplifiers, Buffers, And Output Drivers
• Clock, Event, And Reset Distribution
• Harel Statecharts And One-Hot Hardware State Machines
• Clock Regions And Timing Closure
• Metal Wires Are Part Of The Machine
• Nested Components And Spatial Composition

Cartilage Systems And Measured Runs

See the fabric compute, install circuits, compose child regions, route arithmetic, and advance long-running state.

• FPGA And Reconfigurable Computing R&D Partner In Washington
• Run Cartilage In The Browser: Open Multiplier And Private Workstation
• Cartilage Core In WebGL And SystemVerilog
• Cartilage Reconfigurable Computing Roadmap
• Reactive Model Composition: Programs, Ownership, And Channels
• Runtime Instantiation In Space
• Cartilage Visual Language
• Cartilage Verified Ripple2 Adder
• Cartilage 2026: Child-Owned Reconfiguration Ports

Cartilage Executable Designs And Recorded Runs

Open the browser machines, recorded runs, and focused systems that reveal Cartilage from the cell outward.

• Cartilage 4x4 Low-Nibble Multiplier Open Browser Demo
• Cartilage Runs And Spatial Designs
• Cartilage Full-Adder Islands
• Cartilage PC Stepper Islands
• Cartilage QuadFlow 525,568-Cycle Timeline
• Cartilage Verified MUX Lanes
• Randomized Cartilage Child Ports
• Cartilage 3 Host Sample
• Original Cartilage WebGL Machine
• Cartilage 2 WebGL Machine
• Cartilage 3 Nested Instantiation
• Cartilage 4 WebGL Machine
• Cartilage 2026 WebGL Fabric

Computation From First Principles, WebGL, And Cellular Automata

Follow computation from physical control and Boolean structure through browser GPUs, shader history, and local-rule machines.

• Structure, State, And Structural Change
• The Switch: Computation As Indirect Control
• Raw WebGL And GLSL For Browser GPU Computation
• Programmable Shaders From RenderMan To AI Hardware
• WebGL And Computation From First Principles
• Run GPU Code With Raw WebGL And GLSL
• WebGL GPGPU Scaffolding
• Core Logic
• Gravity Through Contradiction
• Addition
• History Of Control
• Cellular Automata Experiments, 2019-2021
• Conservative
• Charges
• Driller
• Machine 3
• Machine With Reinitialization
• Islands
• Vortex
• A Cellular Automata
• Fast Cellular Automata
• Control Intro

Miscellanies: 53 Essays From Before 2023

Fifty-three long-form essays connect living circuits, software, interaction, physical models, culture, building, learning, and creative work.

• Miscellanies: All 53 Essays
• The Whole Thing: Static Verilog In A Dynamic World
• LateReply: A Page, Not A Feed
• Model The World Around The State Machine
• Where Does An Information System Live?
• Why I Put A Reconfigurable Fabric In WebGL
• One Feature, Every Platform
• A Programming Language Made Of Live Circuits
• A Statechart That Remembers How It Was Changed
• QuickPaster: A Paste-Only Handoff Between Devices
• An Instruction Is A Wire Reused In Time
• What Old Computers Got Right
• Prohibit Action Upon Stale Data
• Write The Failures
• Arrows: A Graph Language That Can Become Hardware
• Reconstructing A Shader Pipeline On An iCE40
• Booting A Reconfigurable Fabric From Its Edge
• A Computer That Boots By Growing Its Own Wires
• The Cartilage Editor And Seed I Wanted In 2021
• The Universe Is Connections
• Cartilage: The Architecture That Rebuilt Itself
• Time, Memory, And The One Now
• The Fivefold Mind And Nested Agency
• Reverse The MUX: Abduction As Executable Inference
• Presence Is A Device, Not A Video Call
• Definitions That Can Fail Their Own Tests
• Headless Minds: Gaia, Democracy, And Collective Intelligence
• Physical Causality Has Geometry
• The Consumer Paradox
• Logical Momentum: A State Needs A Direction, Not Just A Value
• A Brain-Sized Machine In Real Units
• Cohesion: The Property That Makes A Model Worth Keeping
• Messages To The Future: Dissemination As A Form Of Thought
• Quantum Claims Under Stress
• Matter That Computes And Moves
• When Meaning Bends The Medium
• The Mobile Web Interaction Kernel
• The FPGA You Can Debug From A Mountain
• From Domain Models Down To MUXes—And Back Up
• A Machine Small Enough To Explain All At Once
• The Infrastructure We Hide, And The Tools We Should Own
• The System Of Catch-22: Plausible Deniability As Architecture
• EventEdge: A Privacy-First Cloud Over The Park
• The Indo-Austronesian Hypothesis
• Learn Electronics By Building One Whole Computer
• The PCB You Can Actually Build At Home
• Events Entertain; Meetings Build
• Speak In Changes, Not Commands
• Play Harmony At Melody Speed
• One Number Line For The Physical Universe
• Enough Theory: How To Leave An Infinite Research Program
• Inventor Is Not A Rank
• When Patterns Feel Like Physics
• Canopus And Agastya

Software, Interaction, AI, And Publishing

Agents and interfaces discover the actual problem, keep shared models coherent, and carry technical thought between people.

• We Got It All Wrong: The Right To Create
• AI Should Interview Before It Acts
• Human-Computer Interaction As Model Exchange
• The URL Is A Camera
• Frontend/Backend Page-State Architecture
• Four-Layer Transformer Trained On A CPU
• Technical Writing That Carries The Machine
• Research Updates

Durable Routes

Long-standing inbound links continue directly to the current work.

• Previous Cartilage Run And Sketch Index Route redirect
• Previous Exact-Frame Reconfiguration Route redirect
• Previous QuadFlow 6 + 5 Computation Route redirect
• Previous One-Pin FPGA FM Receiver Route redirect
• Previous Writing Assistance Route redirect

Web Utilities

Use focused browser tools for visualization, conversion, interaction, and computation.

• iOS Keep Fixed On Input Focus
• iOS Super Simple

LinkedIn Publications By Date

Open the complete publication index, or choose any of its 135 articles below.