Using RC522 NFC 13.56MHz with DOIT ESP32 DevKit
DEVICES
Board: doit esp32 devkit v1 with mcu ESP-WROOM-32
Sensor module: RFID Sensor MFRC522
Schematic: https://github.com/neittien0110/linhk...
CONFIGURATION IN PLATFORMIO
build_type = release
platform = espressif32
board = esp32doit-devkit-v1
framework = arduino
monitor_speed = 9600
lib_deps =
miguelbalboa/MFRC522@^1.4.10
NOTE: whenever
RST_PIN is not mandatory. Should be 0.
must reset the board whenever a SPI pin loose and fell off
SOURCE CODE:
#define SS_PIN 21 // SS/SDA
#define RST_PIN 0 // Reset. Not used.
MFRC522 rfid(SS_PIN, RST_PIN); // Instance of the class
MFRC522::MIFARE_Key key;