I'm working on a mifare card key program using TI-RTOS but my SDA(NSS) signal has an error. It has an up board that coundt be there. I tried having a close look into the SPI.h code but i cant find the line about the SDA (NSS) signal. Please help me. Not sure what your SD...
Firefox loadURI not working I have this code in the XUL file of a custom Firefox extension: which is supposed to change the url to google.com. However, it's not working; nothing happens when I click on the button. What did I do ... ...
These lines are crucial as failing to clean up can prevent other scripts from working correctly. finally: GPIO.cleanup() 4. Once you have finished writing in your script, it should look something like below. #!/usr/bin/env python import RPi.GPIO as GPIO from mfrc522 import SimpleMFRC522...
Working frequency: 125KHz/13.56Mhz (Optional) Working temperature: -45℃~+85℃ Readable number of times:> 10000 times Detecting distance: 0-5cm Material: Silicone Power supply mode:passive card Service life: > 10 years Characteristics: Waterproof, moisture-proof and vibration-proof Applicable to:...
To be simple and for the testing purpose, it can connect Arduino pins directly to RC522 Module, but doing so might cause the Arduino to stop working correctly in some cases.This tutorial provide two different wiring diagrams for both cases:Wiring...
This is a simple, hobby grade project, do not use it where strong security is needed. What can be done to increase security? (by you and by us) We are working on more secure ways to Authenticate RFID Tags. You can disable wireless network to reduce attack surface. (This can be config...
Some are soldered with wrong/low quality capacitors or fake/defect mfrc522.Please consider buying several devices from different suppliers. So the chance of getting a working device is higher.If you got a bad board and you can tell us how to detect those boards (silk, chip description, ....
Internal self test for testing the device by itself when powered ON to check whether the system is working as expected or not. Important Note: The features and pin description discussed here is applicable only to RC522 RFID module. Please use this link to know more about otherRFID modules. ...
including the popular RC522 Arduino module. The read-only recognition mode ensures that the card's data remains unalterable, providing a high level of security for sensitive information. The card's compact size and lightweight design make it easy to carry and use in various settings. **Ease...
Introduction to RFID/NFC RC522 Module and Relay We have specific tutorials about RFID/NFC RC522 Module and relay. Each tutorial contains detailed information and step-by-step instructions about hardware pinout, working principle, wiring connection to ESP32, ESP32 code... Learn more about them ...