Sub-Etha Software

Mandela Effect and Wayne’s World

April 4, 2018 Sub-Etha Software

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

Sub-Etha Software

SirSound video demonstrations

March 12, 2018 Sub-Etha Software

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,

Sub-Etha Software

CoCoWiFi and SirSound project updates

February 19, 2018 Sub-Etha Software

Things have been real busy lately at Sub-Etha Galactic Headquarters… Here are some updates:


The CoCoWiFi has been tested on the bitbanger serial port and things seem to work just fine.

On the RS-232 Pak, a modification was needed to make the pak actually receive data (forcing the carrier


RS232 to TTL adapters with all signals, including DCD

February 14, 2018 Sub-Etha Software

I have been experimenting with hooking up low-cost ESP8266 WiFi modules to the Radio Shack Color Computer (or anything with an RS-232 port) using cheap RS232-to-TTL adapters. Most of these adapters only support 3-wire RS-232 (transmit, receive and ground). This is fine for most uses of the CoCo’s built-in Serial