Arduino Project #2 | MFRC522 RFID Module + 5v Single Channel Relay = PC Switch With Added Security! @HeathenHacks
Arduino Project #2 | MFRC522 RFID Module + 5v Single Channel Relay = PC Switch With Added Security!  @HeathenHacks
Uploaded July 2018 | Updated September 2026, 2 weeks ago
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I used an MFRC522 RFID module with a 5v Single Channel Relay Module to switch my desktop PC on or Off using an RFID Door Lock Code tutorial that I saw a couple of days ago.

It's really easy to modify because it's pretty basic.

Anyway, here's the link for the MFRC522 Library:

github.com/miguelbalboa/rfid

Arduino Project Hub [Schematics, Codes & Other Stuff]:
create.arduino.cc/projecthub/Heathen_Hacks-v2/rfid-relay-rfid-door-lock-code-rfid-pc-switch-eee1d1?ref=user&ref_id=550502&offset=0

TIMESTAMPS:

00:00 - Intro
00:33 - Things Needed
01:22 - Wiring
02:00 - Coding
05:23 - Code Test
06:48 - Replacing The PC Power Button With RFID Switch
07:47 - Connection Test
09:09 - Further Tests
10:10 - Outro ****************************************************************************************************
PLAYLISTS:

youtube.com/playlist?list=PLnJ6CeayQGsXtckTZsbf-o9ZQp0j5AtPX
youtube.com/playlist?list=PLnJ6CeayQGsXOvOIqtfdV1R2mZ7NwrkUN
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youtube.com/playlist?list=PLnJ6CeayQGsWKei0q76B0K-abl-uNfV9C
youtube.com/playlist?list=PLnJ6CeayQGsXometlrJ0e8e4h3yDLgOgT
youtube.com/playlist?list=PLnJ6CeayQGsUAT9Qcj9GxkHb_TWJRzCBR
youtube.com/playlist?list=PLnJ6CeayQGsXILXpLDGD-fO8qgBr-O3We
youtube.com/playlist?list=PLnJ6CeayQGsU8e5c8Cl__pAp9USXkg9qi
youtube.com/playlist?list=PLnJ6CeayQGsX0i20RY0Fv0XHlMYGu0ddh
youtube.com/playlist?list=PLnJ6CeayQGsUhviBKAtUhJ2qPvwMFJd2b
youtube.com/playlist?list=PLnJ6CeayQGsXqM4gXQvlqLiBD05cns2Tu

****************************************************************************************************
Music Sources:

Mountain's Lullaby - Oshóva
Music promoted by Audio Library youtu.be/2DuIUBX3MZw

Childhood by Mike Chino soundcloud.com/mike-chino
Creative Commons — Attribution-ShareAlike 3.0 Unported — CC BY-SA 3.0
http://creativecommons.org/licenses/b...
Music promoted by Audio Library youtu.be/RWaPL0km2fs

Sunny Island (VLOG) by Scandinavianz soundcloud.com/scandinavianz
Creative Commons — Attribution 3.0 Unported — CC BY 3.0
http://creativecommons.org/licenses/b...
Music promoted by Audio Library youtu.be/DnxpC0ieRoc

expression by Pold soundcloud.com/pold-music
Creative Commons — Attribution-ShareAlike 3.0 Unported — CC BY-SA 3.0
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Music promoted by Audio Library youtu.be/7ULmntDsnoE
#Arduino

Intro and Outro Music From: bensound.com
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Arduino Project #2 | MFRC522 RFID Module + 5v Single Channel Relay = PC Switch With Added Security!

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