Introduction: Arduino Uno and RFID Access Control With Relay Module
Arduino Uno and RFID Access Control With Relay Module
Step 1: Arduino Code
Attachments
Step 2: Make Your Circuit As Image
you need
1 - Arduino Uno
2 - RFID-rc522
3 - 100 ohm resistor 1/4 watt
4 - 3 led red green blue
5 - relay module one channel
and some wire
7 Comments
Question 2 years ago on Step 2
I applied this project in gate access control.
It works but arduino often suspends, I do not know why.
After restart it is good for some time. Where is problem?
I checked with two different boards RFID-rc522 and arduino - its the same effect.
Answer 1 year ago
hi bro, can you solve it, because i get that error to sometime
Reply 1 year ago
Can you change relay to optoisolated. It works fine for me.
Reply 1 year ago
yes, i have tried that, and the problem still occurs, i dont know why
, i use it to turn on motorcycle
1 year ago
I greatly appreciate how detailed this how-to is
2 years ago
I applied this project in gateway access control. Arduino often blocks, I do not know why.
After restart it works for some time. Where is problem?
Question 4 years ago on Introduction
What did you make the schematic with?