Product Name: 10pcs MT8870 DTMF Receiver Telephone Dial Tone Decoder Phone Voice Control Module Package:(Does not include UNO/MEGA2560):10 PCS MT8870 DTMF decoder module;10 PCS Male to Male audio wire (3.5mm jack ); Description: Onboard Complex Frequency Decoder IC MT8870DS Onboard 5 LED indicators for easy viewing output state DC Power Supply Voltage:5V(4.5V-5.5V) Operating Temperature : 0-+85 °C IO Drive : Current Maximum 9mA. PCB Size : 25.4×25.4MM This decoding module is for mobile and fixed telephone voice dialing decoding functionDesigned specifically for ARDUIUO Board.also use for other MCU(AVR PIC MSP430 STM32 ARM7/9/10/11 FPGA/CPLD)Does not require any wiring, can be inserted directly into the UNO/MEGA2560/DUE board to use.12 Digital outputs decode mobile and fixed telephone keys (0-9, * #).Another 4 Digital output(ABCD) can use “DTMF Dial” Software control. uno/mega2560 Code fragment:After purchase, please contact me for complete code!//*******************************************//#include int STD = A0;int Q1 = A1;int Q2 = A2;int Q3 = A3;int Q4 = A4;….//Check once every 5 msvoid dtmf_decode(void){….}void setup(){…..}void loop(){//Complete the decodingif(Decod_finished){Decod_finished = 0;Serial.print(” Activate : ” );switch(Q_dat){case 1 : Serial.print(“1 n” ); break;case 2 : Serial.print(“2 n” ); break;case 3 : Serial.print(“3 n” ); break;case 4 : Serial.print(“4 n” ); break;case 5 : Serial.print(“5 n” ); break;case 6 : Serial.print(“6 n” ); break;case 7 : Serial.print(“7 n” ); break;case 8 : Serial.print(“8 n” ); break;case 9 : Serial.print(“9 n” ); break;case 10 : Serial.print(“0 n” ); break;case 11 : Serial.print(“* n” ); break;case 12 : Serial.print(“# n” ); break;case 13 : Serial.print(“A n” ); break;case 14 : Serial.print(“B n” ); break;case 15 : Serial.print(“C n” ); break;default : Serial.print(“D n” ); break;}….. //****************************************************************************// Typical application for Mobile phones((Does not include UNO/MEGA2560): Typical application for DTMF Dial Software:
Categories
- Automobiles & Motorcycles (2,280)
- Beauty & Health (361)
- Cellphones & Telecommunications (115)
- Computer & Office (375)
- Consumer Electronics (301)
- 360° Video Cameras & Accessories (2)
- Accessories & Parts (68)
- Camera & Photo (27)
- Camera Drones & Accessories (28)
- Earphones & Headphones (4)
- Home Audio & Video (24)
- Home Electronic Accessories (27)
- Portable Audio & Video (25)
- Smart Electronics (26)
- Sports & Action Video Cameras (18)
- Video Games (22)
- VR/AR Devices (23)
- Wearable Devices (3)
- Electronic Components & Supplies (256)
- Furniture (219)
- Home & Garden (345)
- Home Improvement (461)
- Jewelry & Accessories (286)
- Lights & Lighting (383)
- Luggage & Bags (251)
- Men's Clothing & Accessories (395)
- Mother & Kids (346)
- Novelty & Special Use (148)
- Office & School Supplies (459)
- Adhesives & Tapes (67)
- Books (38)
- Calendars, Planners & Cards (28)
- Cutting Supplies (41)
- Desk Accessories & Organizer (28)
- Filing Products (30)
- Labels, Indexes & Stamps (17)
- Mail & Shipping Supplies (37)
- Notebooks & Writing Pads (28)
- Office Binding Supplies (41)
- Pens, Pencils & Writing Supplies (35)
- Presentation Boards (29)
- School & Educational Supplies (40)
- Shoes (221)
- Sports & Entertainment (725)
- Bowling (10)
- Camping & Hiking (35)
- Cycling (226)
- Entertainment (13)
- Fishing (40)
- Fitness & Body Building (33)
- Golf (36)
- Horse Racing (8)
- Musical Instruments (43)
- Racquet Sports (41)
- Roller,Skate board &Scooters (36)
- Running (14)
- Skiing & Snowboarding (38)
- Sneakers (25)
- Sport Accessories (32)
- Sports Bags (33)
- Sports Clothing (13)
- Team Sports (16)
- Toys & Hobbies (259)
- Action & Toy Figures (16)
- Baby Toys (30)
- Classic Toys (14)
- Diecasts & Toy Vehicles (19)
- Dolls & Stuffed Toys (33)
- Electronic Toys (17)
- Learning & Education (21)
- Models & Building Toy (11)
- Novelty & Gag Toys (24)
- Outdoor Fun & Sports (24)
- Puzzles & Magic Cubes (11)
- Remote Control Toys (35)
- Stress Relief Toy (2)
- Watches (255)
- Weddings & Events (219)
- Women's Clothing & Accessories (380)