An old "scripting" LED sign I built back in the early 80's.
bigclivedotcom 7:03
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This was just one of "those" projects that I did for fun. The first one that used a lot of very dim but expensive LEDs at that time.
The design is based on a string of six 4015 dual 4-bit shift registers cascaded into one big 48 bit one. It drives clusters of LEDs with buffer transistors.
If you enjoy my videos you can support the channel with a dollar for coffee, cookies and brighter LEDs at https://www.patreon.com/bigclive
The design is based on a string of six 4015 dual 4-bit shift registers cascaded into one big 48 bit one. It drives clusters of LEDs with buffer transistors.
If you enjoy my videos you can support the channel with a dollar for coffee, cookies and brighter LEDs at https://www.patreon.com/bigclive
Category (YouTube): Science & Technology
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