Part List

1-Digital multimeter

1-PCB Hand Drill with 4 0.5mm bit

12x12 Copper Board

500ml-Ferric Chloride

7805, 5V regulator

7812, 12V regulator

AT89S52 microcontroller

LM358 dual-operational amplifier

RFID reader    - 9-pin 125kHz RFID reader

2          - 5mm light-emitting diode

2          - 5mm infrared transmitter diode

2          - 5mm infrared receiver diode

4          - 1N4007 rectifier diode

1          - BC547 transistor

Resistors (all ¼-watt, ±5% carbon):

1          - 470-ohm

4         - 220-ohm

2          - 10-kilo-ohm

1          - 100-ohm

2          - 1-mega-ohm

2          - 100-kilo-ohm preset

1          - 10-kilo-ohm preset

Capacitors:

1          - 1000µF, 35V electrolytic
1          - 10µF, 16V electrolytic
2           - 22pF ceramic

1          - 0.1µF ceramic

Miscellaneous:

1        - 16×2 LCD display module

1         - DC connector

2         - Two-pin berg strip male connector

1          - 9-pin berg strip female connector

1          - Piezobuzzer

1          - 11.0592MHz crystal

2          - Tactile switch

2          - DC motor