Circuit Documentation
Summary
This document provides a detailed overview of a circuit involving an ESP32 microcontroller, an RFID-RC522 module, and a Micro servo 9G. The ESP32 serves as the central controller, interfacing with the RFID module for reading RFID tags and controlling the servo motor based on the RFID data.
Component List
ESP32 (30 pin)
- Description: A powerful microcontroller with built-in Wi-Fi and Bluetooth capabilities.
- Pins: EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, GND, Vin, D23, D22, TX0, RX0, D21, D19, D18, D5, TX2, RX2, D4, D2, D15, 3V3
RFID-RC522
- Description: A low-cost RFID reader module that operates at 13.56 MHz.
- Pins: VCC (3.3V), RST, GND, IRQ, MISO, MOSI, SCK, SDA
Micro servo 9G
- Description: A small and lightweight servo motor commonly used in RC toys and robotics.
- Pins: GND, +5V, PWM
Wiring Details
ESP32 (30 pin)
- D12: Connected to PWM pin of Micro servo 9G
- GND: Connected to GND pin of Micro servo 9G and GND pin of RFID-RC522
- D21: Connected to SDA pin of RFID-RC522
- D19: Connected to SCK pin of RFID-RC522
- D18: Connected to MOSI pin of RFID-RC522
- D5: Connected to MISO pin of RFID-RC522
- D2: Connected to RST pin of RFID-RC522
- 3V3: Connected to VCC (3.3V) pin of RFID-RC522 and +5V pin of Micro servo 9G
RFID-RC522
- SDA: Connected to D21 pin of ESP32
- SCK: Connected to D19 pin of ESP32
- MOSI: Connected to D18 pin of ESP32
- MISO: Connected to D5 pin of ESP32
- RST: Connected to D2 pin of ESP32
- GND: Connected to GND pin of ESP32
- VCC (3.3V): Connected to 3V3 pin of ESP32 and +5V pin of Micro servo 9G
Micro servo 9G
- PWM: Connected to D12 pin of ESP32
- GND: Connected to GND pin of ESP32
- +5V: Connected to 3V3 pin of ESP32 and VCC (3.3V) pin of RFID-RC522
Code
No code is provided for this circuit.
This document provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and code documentation. This should serve as a useful reference for understanding and replicating the circuit.