My Relay Computer Meets Transistors

Building RAM using Capacitors

Relay Computer Update — And a New Homebrew Project Begins

Serial data using only Motors & Metal?

Goodbye SRAM: Building 1940s Capacitor Memory for My Relay Computer

Relay Computer prints Fibonacci at the Montreal VCF!

Converting the Relay Computer Front Panel Microcode Prototype to a PCB

Printing on a Teletype using an Arduino

Creating (alpha)numeric output for a home-brew Relay Computer!

Using Relay Modules with Microcontrollers

Building a New Backplane for My 8-Bit Relay Computer — Now Runs Fibonacci!

Teletype Machine Clean-up (and my first VCF!)

#SEPTANDY - Fixing a TRS-80 Model I (with a ROM Upgrade)

Relay Computer - Quick Clicks #4 - What's inside a relay?

Front Panel Online! First Program Entered on the Relay Computer

Relay Computer - Front Panel Functions

Relay Computer - Tape Storage (Part III)

Relay Computer - Tape Storage (Part II)

Relay Computer - Tape Storage (Part I)

Relay Computer - Decoder & Controller

Relay Computer - Quick Clicks #3 - Speed! (How fast is too fast?)

I Finally Got a USB Keyboard Working on the TRS-80 Model II! (ESP32 Upgrade | Part II)

Relay Computer - ALU Logic Unit

Quick Clicks #2 - Relay Logic Gates

TRS-80 Expansion Interface Lives Again!

Relay Computer - ALU Arithmetic and Control Unit

Quick Clicks #1 - Getting Started in Relay Computing

Relay Computer - Prototyping Board & Instruction Register

Relay Computer - Memory

Modern Meets Retro: Adding a USB Keyboard to the TRS-80 Model II (Part 1)

Relay Computer - Incrementer

Relay Computer - Sequencer

Relay Computer - New Register and Backplane

Hellorld! on the TRS-80 Model II (Running CP/M)

Relay Computer - First Register (but not the last!)

Roland W-30 LCD Backlight Replacement