UNO Cob 12V LED Random Flicking (High speed switching) via Relay Board @RoyAntaw

UNO Cob 12V LED Random Flicking (High speed switching) via Relay Board @RoyAntaw

Uploaded February 2019 | Updated September 2026, 2 weeks ago

UNO Cob 12V LED Random Flicking via Relay Board

Using Simple Loop on each Relay for Flicker effect.

GitHub github.com/royedmund/unorandomrelay Modified by REA Electric, 15 Feb 2019 To Random Switch 3 Channels

UNO Cob 12V LED Random Flicking (High speed switching) via Relay Board

OPENVMS 7.3 running under SimH

Another dogdy TI-99/4A joystick adaptor video

Extinction Rebellion XR Global Day For Climate Justice

Apple II More WarGames the Movie in AppleSoft BASIC

Tic-tac-toe

Signetics 2650 with blinkenlights

Quick and low quality Tech Videos of things that I like.

Happy New Year from my workshop.

An unscripted late night ramble about my TRS-80 Model I restoration.

XT Clone 10Mhz booting from 8-bit ISA PicoMem Rev 1.2A

A more faithful recreation of the Commodore 64 maze one liner for the OSI Superboard II.

Roy Edmund Antaw |

UNO Cob 12V LED Random Flicking (High speed switching) via Relay Board