Tandy - Retro Roundup

The many, many Insta360 Selfie Sticks

January 18, 2022 Sub-Etha Software

Updates: 1/18/2022 – Page created. Why are there so many? What are the differences? Let’s find out… The first problem is that the official insta360.com online store does not currently give any specifications of these accessories. Only two mention a length in their product name. You can find their full …

C structures and padding and sizeof

January 18, 2022 Sub-Etha Software

This came up at my day job when two programmers were trying to get a block of data to be the size both expected it to be. Consider this example: typedef struct { uint8_t byte1; // 1 uint16_t word1; // 2 uint8_t byte2; // 1 uint16_t word2; // 2 uint8_t …

PiZ SuperCap safe shutdown for Raspberry Pi Zero

January 18, 2022 Sub-Etha Software

Last year, I learned of a new Kickstarter that solved a significant problem with using a Raspberry Pi for embedded “turn key” projects. The Raspberry Pi is a disk-based Linux system, using a microSD card in place of a hard drive. If you kill power to a Raspberry Pi without …

Video episode 245 – A pair of CoCo Brother Game Developers

January 16, 2022 CoCoTALK!

CoCoTALK! Episode 245 – A pair of CoCo Brother Game Developers 00:00:00 -Start/Intro 00:01:20 -Start of the show! 00:02:00 -Panel Introductions 00:04:40 -Viewer Introductions 00:05:30 -Special Guests, The CoCo (duex?) Brothers… Doug & Kevin Leany, and Paul & Tim Thayer 02:28:00 -WORLD PREMIER OF A NEW GAME!!! by Paul and …

Episode 245 – A pair of CoCo Brother Game Developers

January 16, 2022 CoCoTALK!

CoCoTALK! Episode 245 – A pair of CoCo Brother Game Developers 00:00:00 -Start/Intro 00:01:20 -Start of the show! 00:02:00 -Panel Introductions 00:04:40 -Viewer Introductions 00:05:30 -Special Guests, The CoCo (duex?) Brothers… Doug & Kevin Leany, and Paul & Tim Thayer 02:28:00 -WORLD PREMIER OF A NEW GAME!!! by Paul and …

CoCo joystick tester prototype

January 15, 2022 John Linville

Some simple testing/verification of a tester for the Tandy Color Computer and Tandy 1000 joysticks. LEDs are used for bar graphs that approximate the X and Y axes, and to indicate button presses. I plan to respin the PCB to use a PCB-mounted DIN connector and to cleanup a silkscreen …

FLSUN Super Racer discount code

January 11, 2022 Sub-Etha Software

I have received my FLSUN SuperRacer 3-D printer. It is very large, and must be assembled. Assembly is simple (maybe 28 screws, of two sizes, plus connecting plugs) but took me almost an hour. Others (who have done this) say it should take about 20 minutes. The first thing I …

Episode 244 Special Guest Steven Goodwin

January 9, 2022 CoCoTALK!

CoCoTALK! Episode 244 Special Guest Steven Goodwin 00:00:00 -Start/Intro 00:01:42 -Start of the show! 00:02:15 -Panel Introductions 00:04:30 -Special Guest, Steven Goodwin 01:30:10 -Thank you Patrons! 01:31:30 -Commercial Break 01:34:20 -Are you New on Discord? Join Here: Discord.CoCoTalk.Live 01:35:00 -CoCo brothers, CoCoBrothers… Jan 15th interviews! 01:37:00 -RetroRewind, now with CoCo! …

Video episode 244 Special Guest Steven Goodwin

January 9, 2022 CoCoTALK!

CoCoTALK! Episode 244 Special Guest Steven Goodwin 00:00:00 -Start/Intro 00:01:42 -Start of the show! 00:02:15 -Panel Introductions 00:04:30 -Special Guest, Steven Goodwin 01:30:10 -Thank you Patrons! 01:31:30 -Commercial Break 01:34:20 -Are you New on Discord? Join Here: Discord.CoCoTalk.Live 01:35:00 -CoCo brothers, CoCoBrothers… Jan 15th interviews! 01:37:00 -RetroRewind, now with CoCo! …

Most-viewed articles of 2021

January 4, 2022 Sub-Etha Software

Here is a snapshot of the most-viewed articles on this site for 2021. Some of these even had dozens of views. The most popular article continues to be my writeup on using a cheap ESP8266 module as a WiFi modem via a .99 cent RS-232/TTL adapter. Several of my C …