• Welcome to the Off-Topic/Schweb's Lounge

    In addition to the Mac-Forums Community Guidelines, there are a few things you should pay attention to while in The Lounge.

    Lounge Rules
    • If your post belongs in a different forum, please post it there.
    • While this area is for off-topic conversations, that doesn't mean that every conversation will be permitted. The moderators will, at their sole discretion, close or delete any threads which do not serve a beneficial purpose to the community.

    Understand that while The Lounge is here as a place to relax and discuss random topics, that doesn't mean we will allow any topic. Topics which are inflammatory, hurtful, or otherwise clash with our Mac-Forums Community Guidelines will be removed.

MFRC522 RFID Card Sensor with Arduino

Status
Not open for further replies.
L

luna5


Joined
Jan 16, 2017
Messages
12
Reaction score
0
Points
1
my Arduino ide software serial monitor is showing like
firmware version : 0x0 = unknown
WARNING :Communication failure, is the mfrc522 properly connected ?
scan picc to see uid, sak, type, and data blocks....
 
Raz0rEdge

Raz0rEdge

Well-known member
Staff member
Moderator
Joined
Jul 17, 2009
Messages
15,771
Reaction score
2,111
Points
113
Location
MA
Your Mac's Specs
2022 Mac Studio M1 Max, 2023 M2 MBA
Really wrong forum. Seek advice on an Ardiuno specific one.
 
Status
Not open for further replies.

Shop Amazon


Shop for your Apple, Mac, iPhone and other computer products on Amazon.
We are a participant in the Amazon Services LLC Associates Program, an affiliate program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
Top