Circuit Documentation
Summary
This document provides a detailed overview of a circuit that integrates an RFID-RC522 module with an ESP8266 NodeMCU. The RFID-RC522 is used for reading RFID tags, while the ESP8266 NodeMCU serves as the microcontroller to process the data and potentially communicate with other devices or networks.
Component List
RFID-RC522
- Description: RFID reader module
- Pins: VCC (3.3V), RST, GND, IRQ, MISO, MOSI, SCK, SDA
- Purpose: Used for reading RFID tags
ESP8266 NodeMCU
- Description: Wi-Fi enabled microcontroller
- Pins: D0, D1, D2, D3, D4, 3V3, GND, D5, D6, D7, D8, RX, TX, A0, RSV, SD3, SD2, SD1, CMD, SD0, CLK, EN, RST, VIN
- Purpose: Serves as the main microcontroller for processing data and communication
Wiring Details
RFID-RC522
- VCC (3.3V): Connected to ESP8266 NodeMCU 3V3
- RST: Connected to ESP8266 NodeMCU D3
- GND: Connected to ESP8266 NodeMCU GND
- MISO: Connected to ESP8266 NodeMCU D6
- MOSI: Connected to ESP8266 NodeMCU D7
- SCK: Connected to ESP8266 NodeMCU D5
- SDA: Connected to ESP8266 NodeMCU D4
ESP8266 NodeMCU
- 3V3: Connected to RFID-RC522 VCC (3.3V)
- D3: Connected to RFID-RC522 RST
- GND: Connected to RFID-RC522 GND
- D6: Connected to RFID-RC522 MISO
- D7: Connected to RFID-RC522 MOSI
- D5: Connected to RFID-RC522 SCK
- D4: Connected to RFID-RC522 SDA
Code
No code is provided for this circuit.
This document provides a comprehensive overview of the components and their interconnections in the circuit. The RFID-RC522 module is interfaced with the ESP8266 NodeMCU, which serves as the main controller for processing RFID data.