Arduino Project: RFID Door Access
RFID Door Access adalah projek security mengunci pintu. Pintu dibuka dengan menggunakan RFID tag sama ada tag berbentuk kad ataupun bentuk lain. Bagi mendaftarkan RFID tag, perlu access Admin Mode menggunakan password. Nombor RFID akan disimpan di dalam eeprom dan sebanyak 10 nombor kad boleh disimpan.
Di dalam Admin Mode terdapat setting-setting iaitu menukar password, menukar masa dan tarikh, on/off LCD backlight serta setting RFID seperti paparkan bilangan user, tambah user dan hapuskan user.
Skematiknya adalah seperti berikut.
PCB komponen layout nya adalah seperti berikut.
| No | Component | Label | Unit |
|---|---|---|---|
| 1 | 024 PCB Arduino Door Access (116mm X 94mm) | PCB | 1 |
| 2 | Bell Switch | SEN1 | 1 |
| 3 | Buzzer-PCB Mount | Buzzer | 1 |
| 4 | Capacitor Ceramic 0.1uF | C3-C4 | 2 |
| 5 | Capacitor Ceramic 22pF | C5-C6 | 2 |
| 6 | Capacitor Electrolytic 10uF | C1-C2 | 2 |
| 7 | Cell Battery CR2032 | Battery 3V | 1 |
| 8 | Cell Battery Holder | Battery 3V | 1 |
| 9 | Crystal 16MHz | XTAL1 | 1 |
| 10 | Crystal RTC 32.768kHz | XTAL2 | 1 |
| 11 | DC Jack Female | DC Jack Female | 1 |
| 12 | Diode 1N4001 | D1 | 1 |
| 13 | Grove - 125KHz RFID Reader | UART2 | 1 |
| 14 | Grove - Relay | SEN4 | 1 |
| 15 | IC ATMEGA328P DIP | ATMEGA328 | 1 |
| 16 | IC DS1307 DIP | DS1307 | 1 |
| 17 | IC PCF8574N DIP | PCF8574 | 1 |
| 18 | IC Socket 16pin | PCF8574 | 1 |
| 19 | IC Socket 28pin | ATMEGA328 | 1 |
| 20 | IC Socket 8pin | DS1307 | 1 |
| 21 | Keypad 4X4 | Keypad | 1 |
| 22 | LCD 16X2 | LCD | 1 |
| 23 | PCB Connector Header (Right) 3 Ways | SEN1 | 1 |
| 24 | PCB Connector Header (Right) 3 Ways | SEN4 | 1 |
| 25 | PCB Connector Header (Right) 4 Ways | UART2 | 1 |
| 26 | PCB Connector Housing 3 Ways | SEN1 | 1 |
| 27 | PCB Connector Housing 3 Ways | SEN4 | 1 |
| 28 | PCB Connector Housing 4 Ways | UART2 | 1 |
| 29 | PCB Stand (screw nut) | PCB Stand | 8 |
| 30 | Resistor 0.25W 10K | R4-R7 | 4 |
| 31 | Resistor 0.25W 10K | R2 | 1 |
| 32 | Resistor 0.25W 1K | R8-R9 | 2 |
| 33 | Resistor 0.25W 1K/4.7K | R3 | 1 |
| 34 | Resistor 0.25W 330 | R18 | 1 |
| 35 | Resistor 0.25W 330 | R1 | 1 |
| 36 | Resistor 0.25W 330 | R10-R13 | 4 |
| 37 | RFID Tag 125kHz | UART2 | 5 |
| 38 | Right Angle Pin Header (Male) | ICSP | 1 |
| 39 | Slide Switch | S1 | 1 |
| 40 | Terminal Block 2 Way | PWR | 1 |
| 41 | Terminal Pin | SEN4 | 3 |
| 42 | Terminal Pin | UART2 | 4 |
| 43 | Terminal Pin | SEN1 | 3 |
| 44 | Transistor 2N2222 | Q1-Q2 | 2 |
| 45 | Voltage Regulator 5V TO220 | 7805 | 1 |
| 46 | Voltage Regulator 5V TO252 (DPAK) | 7805 | 1 |
Harga projek Arduino RFID Door Access adalah RM530 dan ESP32 RFID Door Access adalah RM450 tidak termasuk bantuan teknikal. Di bawah adalah cara projek ini berfungsi.
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