Difference between revisions of "WeMOS: D1 R1 mini RFID 2"
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#define SS_PIN 4 // SDA-PIN for RC522 - RFID - SPI - Modul GPIO4 | #define SS_PIN 4 // SDA-PIN for RC522 - RFID - SPI - Modul GPIO4 | ||
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance | MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance | ||
| − | + | ||
| − | |||
void setup() { | void setup() { | ||
| − | Serial.begin( | + | Serial.begin(115200); // Initialize serial communications |
| − | SPI.begin(); | + | SPI.begin(); // Init SPI bus |
| − | mfrc522.PCD_Init(); // Init MFRC522 | + | mfrc522.PCD_Init(); // Init MFRC522 |
} | } | ||
| − | + | ||
void loop() { | void loop() { | ||
// Look for new cards | // Look for new cards | ||
Revision as of 20:21, 31 May 2024
Sumber: https://blog.jeronimus.net/2018/03/rfid-and-wemos-d1-mini-1.html
Tabel sambungan:
Signal MFRC522 WeMos D1 mini NodeMcu Generic RST/Reset RST D3 [1] D3 [1] GPIO-0 [1] SPI SS SDA [3] D8 [2] D8 [2] GPIO-15 [2] SPI MOSI MOSI D7 D7 GPIO-13 SPI MISO MISO D6 D6 GPIO-12 SPI SCK SCK D5 D5
Source
#include "MFRC522.h"
#define RST_PIN 5 // RST-PIN for RC522 - RFID - SPI - Modul GPIO5
#define SS_PIN 4 // SDA-PIN for RC522 - RFID - SPI - Modul GPIO4
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
void setup() {
Serial.begin(115200); // Initialize serial communications
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522
}
void loop() {
// Look for new cards
if ( ! mfrc522.PICC_IsNewCardPresent()) {
delay(50);
return;
}
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial()) {
delay(50);
return;
}
// Show some details of the PICC (that is: the tag/card)
Serial.print(F("Card UID:"));
dump_byte_array(mfrc522.uid.uidByte, mfrc522.uid.size);
Serial.println();
}
// Helper routine to dump a byte array as hex values to Serial
void dump_byte_array(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], HEX);
}
}