Arduino Project: DTMF Switch

Arduino DTMF Switch

DTMF Switch adalah projek yang sama dengan GSM Switch tetapi ia menggunakan medium DTMF untuk menghidupkan dan mematikan relay.

Berikut adalah skematik nya.

Schematic Arduino DTMF Switch

Senarai komponen projek DTMF Switch seperti berikut.
No Component Label Unit
1 Buzzer-PCB Mount Buzzer 1
2 Capacitor Ceramic 0.1uF C4, C7 2
3 Capacitor Ceramic 22pF C5-C6 2
4 Capacitor Electrolytic 10uF C1-C2 2
5 Crystal 16MHz XTAL 1
6 DC Jack Female DC Jack Female 1
7 Diode 1N4001 D1 1
9 IC Socket 18pin ULN2803 1
10 IC Socket 28pin ATMEGA328 1
11 IC ULN2803 DIP ULN2803 1
12 LED Red 5mm LED1-LED4 4
13 PCB PCB 1
14 PCB Stand (screw nut) PCB Stand 4
15 Resistor 0.25W 10K R3 1
16 Resistor 0.25W 1K R13, R4, R5, R10 4
17 Resistor 0.25W 330 R1 1
18 Sensor DTMF Receiver Module DTMF 1
19 Slide Switch S1 1
20 Straight Pin Header (Male) ICSP 1
21 Terminal Block 2 Way PWR 1
22 Terminal Block 3 Way OUT_1-OUT_4 4
23 Transistor 2N2222 Q1 1
24 Voltage Regulator 5V TO220 7805 1

Harga projek DTMF Switch adalah RM480 tidak termasuk bantuan teknikal. Di bawah adalah cara projek ini berfungsi.

15 Replies to “Arduino Project: DTMF Switch”

  1. is it possible that you make some pieces? i buy them from you for a very good price just give me your price..
    if you are interested i have many elektro shops in France and we can sell them there ..
    if you are interested you can contact me
    mateo dibaldi

  2. Assalamualaikum bro nizam..saye berminat nak beli projek ni..boleh whatsapp saya di nombor ini..??

  3. Excelente proyecto, agradecería en sus posibilidades el código para programar el ATMEGA328P y probar tan excelente proyecto.. gracias de antemano..!!

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