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Hardware

Component List​

ESP32 (30 pin)​

  • Description: A 30-pin microcontroller with Wi-Fi and Bluetooth capabilities, suitable for a wide range of IoT applications.

https://s.click.aliexpress.com/e/_onmXCw0

RFID-RC522​

  • Description: An RFID reader/writer module for interfacing with RFID tags operating at 13.56 MHz.

https://s.click.aliexpress.com/e/_oDqXQIC

WS2812B White LED​

  • Description: An individually addressable LED with integrated control circuitry.

https://s.click.aliexpress.com/e/_ooOaxY0

Touch Button​

  • Description: A cable with an alligator clip for making temporary electrical connections.

Wiring Details

ESP32 (30 pin) Connections​

ESP32 PinConnected To
D23RFID-RC522 MOSI
D19RFID-RC522 MISO
D18RFID-RC522 SCK
D5RFID-RC522 SDA
D15RFID-RC522 RST
3V3RFID-RC522 VCC (3.3V), WS2812B White LED 5V
GNDRFID-RC522 GND, WS2812B White LED GND
D26WS2812B White LED DIn
D27Alligator Clip Cable Pin

RFID-RC522 Connections​

RFID-RC522 PinConnected To
MOSIESP32 D23
MISOESP32 D19
SCKESP32 D18
SDAESP32 D5
RSTESP32 D15
VCC (3.3V)ESP32 3V3
GNDESP32 GND

WS2812B White LED Connections​

WS2812B PinConnected To
5VESP32 3V3
GNDESP32 GND
DInESP32 D26

Alligator Clip Cable (Blue) Connection​

Alligator Clip Cable PinConnected To
PinESP32 D27