Josip Retro Bits | Keyboard Reset Circuit for Commodore 64 | Mods and Repairs @JosipRetroBits | Uploaded February 2024 | Updated October 2024, 3 hours ago.
In this video you can see my Commodore 64 "Frankenstein"; board no. 250407 with VICII and SID chips from a shortboard.
Also, I made a reset circuit that uses a key combination on the keyboard to reset the c64. Enjoy :)
(Any suggestion to improve this little reset circuit is more than welcome)

Commodore 64 Keyboard Reset Circuit v2.0:
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youtu.be/J8r-5bH86pA


☕ If You like this video you can buy me a coffee: ko-fi.com/josipretrobits ☕


RESET CIRCUIT SCHEMATICS AND PCB:
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github.com/josipk/Commodore64/tree/main/C64_RESET_CIRCUIT

RESET CIRCUIT 2; with 3 NPN transistors
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github.com/josipk/Commodore64/tree/main/C64_RESET_CIRCUIT/V4

C64 250407 PCB REPLIKA:
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github.com/bwack/C64-250407-Replica-KiCad?tab=readme-ov-file

C64 250407 INTERACTIVE BOM:
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htmlpreview.github.io/?raw.githubusercontent.com/bwack/C64-250407-Replica-KiCad/main/interactive-bom/ibom.html


INDEX:
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0:00 - Intro
0:37 - C64 - no. 250407 issues and repair
4:30 - Reset Circuit Intro
8:29 - Interactive-BOM for 250407
14:50 - Reset Circuit; How it works and Schematics
22:29 - Reset Circuit Montage
27:37 - Testing Reset Circuit
29:18 - Introducing funky little camera :)


CHECK OUT:
==========
@8BitRetroReFix
@CaptainCommodore
@Retro4u
@8bitsinthebasement
@TimsRetroCorner
@Alices.Retro.Wonderland


CHECK OUT MY OTHER COMMODORE/ACORN VIDEOS:
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🕹️ Commodore 64 Programming: youtube.com/playlist?list=PLT0ijfj8mLN7G_Et0DGaVxcVK3N2EpnYk
🕹️ Commodore 64 Hardware Videos: youtube.com/playlist?list=PLT0ijfj8mLN6JTkWianAanzEgLCaA0zFE
🕹️ Commodore 64 Plus/4 Videos: youtube.com/playlist?list=PLT0ijfj8mLN7ioE3wBPYsu32V6Vs9goib
🕹️ Acorn Electron Videos: youtube.com/playlist?list=PLT0ijfj8mLN5n1GNlJPZn3CW7o3hRf7Jv
🕹️ Commodore 64 Games and Demos: youtube.com/playlist?list=PLT0ijfj8mLN6yuzbYo6MnQifgUEM08t83
🕹️ The Pong Game Projects: youtube.com/playlist?list=PLT0ijfj8mLN6QqB1wxCWv7ERaw0fo44kB

#commdore64 #c64 #retrocomputing #mods #repair #repairing #reset #resetboard #250407 #vicii #sid #keyboard #keyboardreset