vasy_skral / WiFi RF-ID lock Module

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NFC Reader Replacement Options

inventorado7

inventorado7

replace rfid with nfc
317 days

flux

2:55

Here are three 13.56 MHz NFC reader ICs that support SPI and are 3.3 V-compatible. You can use one of these to replace U2 in your design:

Table

OptionPart NameDescriptionPackageVoltage RangeLibrary LinkDatasheet
1PN7160B1HN/C100EFeliCa, ISO 14443, ISO 15693, MIFARE, NFC reader IC; SPI interface40-VFQFN1.65 V–1.95 V, 3.0 V–3.6 V9357ae83-3020-449d-93f3-abebe64c53cePDF
2ST25R3911B-AQFTISO 14443, NFC reader IC with SPI; supports external antenna tuning32-VFQFN2.4 V–5.5 V380d28fd-378b-44b4-b160-b4fa5ede571dPDF
3PN5321A3HN/C106,51PN532 family NFC reader controller; SPI interface; very common, QFN-40QFN-403.3 V (nominal)88153aec-ff43-4e82-bb70-d76b1bdb3cb6PDF
Which one would you like to use to replace the RC522 (U2)?
Choose PN7160
Choose ST25R3911B
Pin mapping help
Antenna matching
Footprint dimensions
317 days
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U2
SCL
USER
IO8
ESP_RST
SDA
MOSI
RFID_IRQ
RFID_RST
BOOT
MISO
SCK
ESP_TX
RFID_CS
BOOT
SCK
ESP_RST
BOOT
SDA
MOSI
USER
ESP_RST
SCL
SDA
IO8
ESP_RX
SCL
LOCK
LOCK
MISO
ESP_TX
ESP_RX
GND
MISO
SCL
+3V3
SDA
MOSI
IO8
SCK
LOCK
C5
Capacitance
0.01uF
+3V3
C6
Capacitance
0.01uF
C3
Capacitance
0.01uF
C4
Capacitance
22uF
+3V3
+3V3
+3V3
+3V3
C7
Capacitance
1uF
+3V3
C8
Capacitance
22uF
+3V3
R2
Resistance
10kΩ
R1
Resistance
100kΩ
U1
R3
Resistance
10kΩ
BOOT
USER
EN
IC1
PROG
OLED1

Reviews

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    Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
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    jharwinbarrozo
    1.5M
  • Generic Capacitor
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WiFi RF-ID lock Module

WiFi RF-ID lock Module thumbnail
This project is a WiFi RF-ID Lock, which uses a Espressif ESP-8684 microcontroller for WiFi connectivity and a Handson Technology RC522 for RF-ID functionality. It also includes an OLED display and user control via a switch. A step-up power converter ensures consistent 3.3V power. #WiFi #MCU #ReferenceDesign #Module #ESP8684 #lock #OLED #RFID #reusable #module #simple-embedded #espressif #sublayout

Properties

creativecommons.org/licenses/by/4.0/

Pricing & Availability

Distributor

Qty 1

Digi-Key

$0.36–$0.51

Mouser

$0.57

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