PN5180 NFC reader (13.56 MHz, ISO 15693) con ESP32
Alimentazione 3.3-5 V
Bus SPI
Pin e collegamento all’ESP32
| Pin | Ruolo | Pin ESP32 | Note |
|---|---|---|---|
| 5V | Non collegato all’ESP32 | — | RF supply: connect to VIN (5 V). The reader needs both 5 V and 3.3 V |
| 3.3V | Alimentazione | 3V3 | Logic supply: connect to 3V3 |
| RST | Ingresso (lo pilota l’ESP32) | D25 | Reset, active LOW |
| NSS | Chip select SPI | D5 | SPI chip select |
| MOSI | SPI MOSI | D23 | |
| MISO | SPI MISO | D19 | |
| SCK | Clock SPI | D18 | |
| BUSY | Uscita (la pilota il componente) | D26 | HIGH while the chip is busy. Wait for LOW before each SPI command |
| GND | Massa | GND | |
| GPIO | Non collegato all’ESP32 | — | Not needed |
| IRQ | Interrupt | D35 | Interrupt, optional |
| AUX | Non collegato all’ESP32 | — | Test output, not needed |
| REQ | Non collegato all’ESP32 | — | Firmware download only. Leave unconnected |
Collegamento consigliato per l’ESP32 DevKit a 30 pin, evitando i pin della flash, di sola lettura e di strapping. BoardPilot lo controlla mentre colleghi.
Fonti
- NXP PN5180 datasheet, SPI host interface with BUSY line; logic supply 3.3 V, RF supply up to 5 V
- Common PN5180 breakout, Header +5V, +3.3V, RST, NSS, MOSI, MISO, SCK, BUSY, GND, GPIO, IRQ, AUX, REQ. Check the silkscreen
Provalo in 3D in BoardPilot
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Dati dei componenti: CC BY 4.0, riutilizzabili citando BoardPilot.