Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various components such as an Arduino Leonardo, LEDs, resistors, a buzzer, a micro servo, and an RFID module. The circuit is designed to interface these components with the Arduino Leonardo, enabling functionalities such as LED control, sound generation, servo movement, and RFID reading.

Component List

1. Micro servo 9G

   • Pins: GND, +5V, PWM
   • Description: A small servo motor used for precise control of angular position.
   • Properties: None

2. Buzzer

   • Pins: PIN, GND
   • Description: A simple buzzer used for sound generation.
   • Properties: None

3. Resistor (200 Ohms)

   • Pins: pin1, pin2
   • Description: A resistor used to limit current.
   • Properties:
     • Resistance: 200 Ohms

4. LED: Two Pin (blue)

   • Pins: cathode, anode
   • Description: A blue LED used for visual indication.
   • Properties: None

5. LED: Two Pin (red)

   • Pins: cathode, anode
   • Description: A red LED used for visual indication.
   • Properties: None

6. LED: Two Pin (yellow)

   • Pins: cathode, anode
   • Description: A yellow LED used for visual indication.
   • Properties: None

7. Arduino Leonardo (Rev3b)

   • Pins: D0/RX, D1/TX, D2/SDA, D3 PWM/SCL, D4/A6, D5 PWM, D6 PWM/A7, D7, n.c., IOREF, RESET, 3V3, 5V, GND, VIN, A0, A1, A2, A3, A4, A5, D8/A8, D9 PWM/A9, D10 PWM/A10, D11 PWM, D12/A11, D13 PWM, AREF, SDA, SCL
   • Description: A microcontroller board based on the ATmega32u4.
   • Properties: None

8. RFID-RC522

   • Pins: VCC (3.3V), RST, GND, IRQ, MISO, MOSI, SCK, SDA
   • Description: An RFID module used for reading RFID tags.
   • Properties: None

Wiring Details

Micro servo 9G

• GND connected to Arduino Leonardo GND
• +5V connected to Arduino Leonardo 3V3
• PWM connected to Arduino Leonardo D7

Buzzer

• PIN connected to Arduino Leonardo D5 PWM
• GND connected to Arduino Leonardo GND

Resistor (200 Ohms)

• pin1 connected to Arduino Leonardo D2/SDA
• pin2 connected to LED: Two Pin (red) cathode

Resistor (200 Ohms)

• pin1 connected to Arduino Leonardo D4/A6
• pin2 connected to LED: Two Pin (yellow) cathode

Resistor (200 Ohms)

• pin1 connected to Arduino Leonardo D3 PWM/SCL
• pin2 connected to LED: Two Pin (blue) cathode

LED: Two Pin (blue)

• anode connected to Arduino Leonardo GND
• cathode connected to Resistor pin2

LED: Two Pin (red)

• anode connected to Arduino Leonardo GND
• cathode connected to Resistor pin2

LED: Two Pin (yellow)

• anode connected to Arduino Leonardo GND
• cathode connected to Resistor pin2

Arduino Leonardo (Rev3b)

• D0/RX: Not connected
• D1/TX: Not connected
• D2/SDA connected to Resistor pin1
• D3 PWM/SCL connected to Resistor pin1
• D4/A6 connected to Resistor pin1
• D5 PWM connected to Buzzer PIN
• D6 PWM/A7: Not connected
• D7 connected to Micro servo 9G PWM
• n.c.: Not connected
• IOREF: Not connected
• RESET: Not connected
• 3V3 connected to Micro servo 9G +5V and RFID-RC522 VCC (3.3V)
• 5V: Not connected
• GND connected to Micro servo 9G GND, Buzzer GND, RFID-RC522 GND, LED: Two Pin (blue) anode, LED: Two Pin (red) anode, LED: Two Pin (yellow) anode
• VIN: Not connected
• A0: Not connected
• A1: Not connected
• A2: Not connected
• A3: Not connected
• A4: Not connected
• A5: Not connected
• D8/A8: Not connected
• D9 PWM/A9 connected to RFID-RC522 RST
• D10 PWM/A10 connected to RFID-RC522 SDA
• D11 PWM connected to RFID-RC522 MOSI
• D12/A11 connected to RFID-RC522 MISO
• D13 PWM connected to RFID-RC522 SCK
• AREF: Not connected
• SDA: Not connected
• SCL: Not connected

RFID-RC522

• VCC (3.3V) connected to Arduino Leonardo 3V3
• RST connected to Arduino Leonardo D9 PWM/A9
• GND connected to Arduino Leonardo GND
• IRQ: Not connected
• MISO connected to Arduino Leonardo D12/A11
• MOSI connected to Arduino Leonardo D11 PWM
• SCK connected to Arduino Leonardo D13 PWM
• SDA connected to Arduino Leonardo D10 PWM/A10

Code

No code provided for this circuit.

---

This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. Each component is described in detail, and the wiring connections are clearly outlined to ensure proper assembly and functionality.