Articles by Sub-Etha Software

Years ago, I worked with a local guy on bringing in computer controlled lighting and sound to a local haunted house attraction. The original attraction just used light bulbs of different colors and actors to make everything happen. Our upgrade included the following:

We used a cheap Windows PC and …

Last week, I finally got around to unpacking and hooking back up all the Tandy Color Computer gear I took with me to the 2018 Chicago CoCoFEST! I am now using Ed Snider’s two-slow mini MultiPak replacement, so I ever have more room on my desk. I hope to get the

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I’m placing this here for searching engine visibility…

Mandela Effect amuses me because there was one that impacted me, involving a painting I remember seeing in the past twenty years, which does not exist. I have a plausible theory to explain that one, though.

Tonight, I saw Wayne’s World at

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On of several 2018 CoCoFEST! T-shirt styles.

This, and more styles, available here:

https://www.teepublic.com/t-shirt/2489009-cocofest-2018-2?store_id=131646

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FOR IMMEDIATE RELEASE:

Sub-Etha Software announces more 2018 Chicago CoCoFEST! plans

Des Moines, Iowa – March 14, 2018 – Iowa-based Sub-Etha Software reveals more plans for the upcoming 2018 27th Annual “Last” Chicago CoCoFEST! to be held April 21 and 22, 2018 at the Heron Point Convention Center in Lombard, Illinois.

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One year ago, on March 9, 2017, Sub-Etha Software announced the Sir Sound CoCo Sound Card, today referred to as SirSound, without the space. Today we present to you the first public demonstration of the project.

SirSound demo 1- introduction

This 7-minute video walks through the basic concept of the device,

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“It is fun to reinvent the wheel. If it were not for folks doing this, we would never have built a better mouse trap…” – Some Dude

But when it comes to expansion cartridges (Paks) for the Tandy/Radio Shack TRS-80 Color Computer, what if we never had to reinvent the

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This is a fairly detailed guide to configuring a cheap ESP8266 WiFI module to act as a WiFi modem, then wiring it up to any computer with a traditional RS-232 port.

It can be as simple as hooking up four wires, or many more wires, or even making a breadboard

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Updating ESP8266 Firmware

The excellent Zimodem firmware by Bo Zimmerman turns a low-cost ESP8266 module into a WiFi smart modem. One of the challenges users face is how to get this firmware installed on their module to begin with. I have been providing steps on how to install and configure

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If you are using a NodeMCU-32S module like the one I ordered from Amazon:

HiLetgo ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE https://www.amazon.com/…/B…/ref=cm_sw_r_cp_tai_X5iFAbW6CD3ZJ

…you may want todo a few tweaks to the

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