BlackGhost
BlackGhost
@blackghost
Member
Joined: 2021-05-31 10:59 am
Last seen: 2021-08-05 10:04 am
Topics: 4 / Replies: 23
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RE: Arduino nano with 2 RC522

it work now thank you all for help @madmisha your idea of adding diodes what fix this problem thanks alot here is the final connection hope it wil...

3 years ago
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RE: Arduino nano with 2 RC522

I made a big mistake it was MISO not MOSI pin what i'm talking about srry about that

3 years ago
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RE: Arduino nano with 2 RC522

MOSI line work with PNP transistor or NPN

3 years ago
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RE: Arduino nano with 2 RC522

i found solution on some other form but i didn't now how to do it. it was said to add or gate on MOSI line to switch between the 2 rc522 but how...

3 years ago
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3 years ago
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3 years ago
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RE: Arduino nano with 2 RC522

I have question, dos different wires length matter because one of them longer than the other ?

3 years ago
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RE: Arduino nano with 2 RC522

@madmisha I tried it with no luck at all same problem i even use the example code without any edit but still same problem didn't work same connect...

3 years ago
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RE: Arduino nano with 2 RC522

@will 1) the is freely opens from inside however from outside you must use you tag, so there no problem there and the door auto look it self and if ...

3 years ago
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RE: Arduino nano with 2 RC522

@madmisha the code #include <SPI.h>#include <MFRC522.h>#define SS_DoorPIN 9#define SS_LightPIN 8#define RST_PIN 10//#define Light 3//#...

3 years ago
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RE: Extend range btween rc522 RFID reader and the arduino

ahhh i get what you mean however the room will only be used by one person only so no problem in that and if this person forget his card in the room i ...

3 years ago
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RE: Extend range btween rc522 RFID reader and the arduino

We have no safety rules or any thing like that in Egypt about building . About my project the main idea here is you must get your key out from y...

3 years ago
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RE: Extend range btween rc522 RFID reader and the arduino

@will We don't have something like that here in Egypt :)

3 years ago
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