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🚀 ready for testing

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Roman Hajnala
2025-03-13 21:16:37 +01:00
parent 3195e3975d
commit 1d148063c9
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README.md
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@@ -4,13 +4,13 @@
[https://randomnerdtutorials.com/esp32-mfrc522-rfid-reader-arduino/](https://randomnerdtutorials.com/esp32-mfrc522-rfid-reader-arduino/)
| MFRC522 RFID Reader | ESP32 | Description | Color |
|---------------------|---------------|-------------|--------|
| SDA | GPIO 5 | SPI signal input, I2C data line, or UART data input | blue |
| SCK | GPIO 18 | SPI clock | brown |
| MOSI | GPIO 23 | SPI data input | grey |
| MISO | GPIO 19 | SPI master-in-slave-out, I2C serial clock, or UART serial output | white |
| IRQ | Don't connect | Interrupt pin; signals the microcontroller when an RFID tag is nearby | - |
| GND | GND | Ground connection | black |
| RST | GPIO 21 | LOW signal to put the module in power-down mode; send a HIGH signal to reset the module | yellow |
| 3.3V | 3.3V | Power supply (2.5-3.3V) | orange |
| MFRC522 RFID Reader | ESP32 | Description |
|---------------------|---------------|-------------|
| SDA | GPIO 5 | SPI signal input, I2C data line, or UART data input |
| SCK | GPIO 18 | SPI clock |
| MOSI | GPIO 23 | SPI data input |
| MISO | GPIO 19 | SPI master-in-slave-out, I2C serial clock, or UART serial output |
| IRQ | Don't connect | Interrupt pin; signals the microcontroller when an RFID tag is nearby |
| GND | GND | Ground connection |
| RST | GPIO 21 | LOW signal to put the module in power-down mode; send a HIGH signal to reset the module |
| 3.3V | 3.3V | Power supply (2.5-3.3V) |