{"product_id":"mt8870-dtmf-voice-decoder-encoder-telephone-module-for-arduin-mega2560-nano","title":"CE005 AE11A04 MT8870 DTMF Voice Decoder Encoder Telephone Module for Arduin MEGA2560 NANO","description":"\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eMT8870 DTMF Voice Encoder Decoder Module Telephone Module for Arduino  MEGA2560 NANO\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv new=\"\" style=\"font-family: Arial, Helvetica, sans-serif;\" times=\"\" font-size:=\"\"\u003e \u003c\/div\u003e\n\n\u003cdiv new=\"\" style=\"font-family: Arial, Helvetica, sans-serif;\" times=\"\" font-size:=\"\"\u003e \u003c\/div\u003e\n\n\u003cdiv new=\"\" style=\"font-family: Arial, Helvetica, sans-serif;\" times=\"\" font-size:=\"\"\u003e\n\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eModule No.:  \u003c\/span\u003e\u003c\/span\u003eCE005+AE11A04\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv new=\"\" style=\"font-family: Arial, Helvetica, sans-serif;\" times=\"\" font-size:=\"\"\u003e \u003c\/div\u003e\n\n\u003cdiv new=\"\" style=\"font-family: Arial, Helvetica, sans-serif;\" times=\"\" font-size:=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ePackage ：\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e(\u003c\/span\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eDoes not include Arduino UNO\/MEGA2560)\u003c\/span\u003e:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan font-size:=\"\" new=\"\" times=\"\"\u003e1 PCS MT8870 DTMF decoder module;\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan font-size:=\"\" new=\"\" times=\"\"\u003e1 PCS Male to Male audio wire (3.5mm jack ) ;\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/NzAwWDcwMA==\/z\/HW8AAOSwbF1aAgan\/$_1.JPG?set_id=880000500F\"\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan font-size:=\"\" new=\"\" times=\"\"\u003e\u003cstrong\u003eDescription: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003eOnboard Complex Frequency Decoder IC MT8870DS\u003c\/span\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003eOnboard 5 LED indicators for easy viewing output state\u003c\/span\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cp font-size:=\"\" new=\"\" times=\"\"\u003e \u003c\/p\u003e\n\n\u003cp font-size:=\"\" new=\"\" times=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eDC Power Supply Voltage：5V(4.5V-5.5V)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp font-size:=\"\" new=\"\" times=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eOperating Temperature : -40-+85 °C\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp font-size:=\"\" new=\"\" times=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eIO Drive : Current Maximum 10mA.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp font-size:=\"\" new=\"\" times=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ePCB Size : 25.4x25.4MM\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003eThis decoding module is for mobile and fixed telephone voice dialing decoding function\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\" new=\"\" style=\"font-size: 14pt; font-family: \" times=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eDesigned specifically for ARDUINO Board.also use for other MCU(AVR PIC MSP430 STM32 ARM7\/9\/10\/11 FPGA\/CPLD)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\" new=\"\" style=\"font-size: 14pt; font-family: \" times=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eDoes not require any wiring, can be inserted directly into the UNO\/MEGA2560\/DUE board to use.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan new=\"\" times=\"\"\u003e12 Digital outputs decode mobile and fixed telephone keys (0-9, * #).Another 4 Digital output(ABCD) can use \"DTMF Dial\" Software control.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv font-size:=\"\" new=\"\" style=\"font-family: \" times=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eArduino uno\/mega2560 Code fragment:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv font-size:=\"\" new=\"\" style=\"font-family: \" times=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eAfter purchase, please contact me for complete code!\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cp font-size:=\"\" new=\"\" style=\"font-family: \" times=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/*******************************************\/\/\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e#include\u003c\/span\u003e\u003c\/span\u003e\u003cflexitimer2.h\u003e\u003c\/flexitimer2.h\u003e\n\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint STD = A0;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint Q1 = A1;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint Q2 = A2;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint Q3 = A3;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eint Q4 = A4;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e....\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/Check once every 5 ms\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003evoid dtmf_decode(void)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e{\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e....\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e}\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003evoid setup()\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e{\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e.....\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e}\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003evoid loop()\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e{\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/Complete the decoding\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eif(Decod_finished)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e{\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eDecod_finished = 0;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eSerial.print(\" Activate : \" );\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e \u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003eswitch(Q_dat){\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 1 : Serial.print(\"1 \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 2 : Serial.print(\"2 \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 3 : Serial.print(\"3 \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 4 : Serial.print(\"4 \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 5 : Serial.print(\"5 \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 6 : Serial.print(\"6 \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 7 : Serial.print(\"7 \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 8 : Serial.print(\"8 \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 9 : Serial.print(\"9 \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 10 : Serial.print(\"0 \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 11 : Serial.print(\"* \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 12 : Serial.print(\"# \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 13 : Serial.print(\"A \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 14 : Serial.print(\"B \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003ecase 15 : Serial.print(\"C \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003edefault : Serial.print(\"D \\n\" ); break;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e}\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e.....\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv font-size:=\"\" new=\"\" style=\"font-family: \" times=\"\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\/\/****************************************************************************\/\/\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/NjkzWDEwNTM=\/z\/OfYAAOSwWR5cYVVe\/$_10.JPG\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e  \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e    \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cp style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cstrong font-size:=\"\" new=\"\" style=\"font-family: \" times=\"\"\u003eTypical application for Mobile phones(\u003cspan style=\"font-weight: normal; color: rgb(255, 0, 0);\"\u003e(\u003c\/span\u003e\u003cspan style=\"font-weight: normal; color: rgb(255, 0, 0);\"\u003eDoes not include Arduino UNO\/MEGA2560)\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/NDA0WDczNg==\/z\/ubUAAOSw-85jIXd6\/$_10.JPG\" style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cstrong\u003e      \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cstrong\u003e\u003cspan font-size:=\"\" new=\"\" times=\"\"\u003eTypical application for DTMF Dial Software:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/Mzc4WDc2MA==\/z\/Cx8AAOSwZtlaAgan\/$_1.JPG?set_id=880000500F\"\u003e  \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e   \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e  \u003c\/span\u003e\u003c\/span\u003e\n\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-family: arial;\"\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: 18.66px; font-weight: bold;\"\u003ePacking list:\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"color: rgb(0, 0, 0); font-family: arial;\"\u003e\u003cspan style=\"line-height: 27px; font-size: 18px;\"\u003e1 PCS AE11A04 DTMF Generators Module;\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"color: rgb(0, 0, 0); font-family: arial;\"\u003e\n\u003cspan style=\"line-height: 27px; font-size: 18px;\"\u003e1 PCS 50cm Male to Male audio cable (\u003c\/span\u003e  \u003cspan style=\"line-height: 27px; font-size: 18px;\"\u003e3.5mm \u003c\/span\u003e Cable\u003cspan style=\"line-height: 27px; font-size: 18px;\"\u003e);\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"color: rgb(0, 0, 0); font-family: arial;\"\u003e\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/MTA1MFgxMDUw\/z\/GEsAAOSw2k9c1iwe\/$_10.JPG\"\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"color: rgb(0, 0, 0); font-family: arial;\"\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan new=\"\" style=\"line-height: 18px; font-family: \" times=\"\"\u003e\u003cspan style=\"line-height: 30px;\"\u003eDescription:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size: 18px;\"\u003e  \u003cbr\u003e\nOperating Voltage : 5-24VDC\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cspan style=\"font-size: 18px;\"\u003eWorking current : 6-8MA\u003cbr\u003e\nPower interface : 2.1mm x 5.5mm Female Male DC Power Plug\u003cbr\u003e\nAudio interface :  2x 3.5mm audio jack socket\u003cbr\u003e\nMCU input interface : 7x 2.54MM pin header,GND 5V D3 D2 D1 D0 STD\u003cbr\u003e\n   \u003cbr\u003e\nSize : 63*40*13mm\u003cbr\u003e\nWeight : 16g\u003cbr\u003e\n   \u003cbr\u003e\nThe AE11A04 DTMF tone generators are designed\u003cbr\u003e\nfor Dialing keyboard AND MCU interfaces. They can be instructed by a\u003cbr\u003e\nMCU(OR Dialing keyboard ) to generate 16 dual tones from the Audio 1\/2 .  16 dual tones is  ''1234567890#*ABCD''\u003cbr\u003e\n   \u003cbr\u003e\n\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eFor more information, please contact us\u003c\/span\u003e\u003cbr\u003e\n     \u003cbr\u003e\nAudio 1: This is a universal interface that connects most audio devices. For example: mobile audio interface, PC audio interface, DTMF decoder\u003cbr\u003e\nAudio 2: This is a specific audio interface. Support the following products of our company: CE004 CE005  CE023 AD22B04  AD22A08\u003c\/span\u003e\u003cbr\u003e\n\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/MTA1MFgxMDUw\/z\/i8sAAOSwNsNc1iwj\/$_10.JPG\"\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-size: 18px;\"\u003e \u003c\/span\u003e\u003cbr\u003e\n\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/MTA1MFgxMDUw\/z\/A9kAAOSwxXZc1iwp\/$_10.JPG\"\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-size: 18px;\"\u003eHow to use:\u003cbr\u003e\n1 Output DTMF tone through Dialing keyboard\u003cbr\u003e\n2 Output DTMF tone through MCU control\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: arial;\"\u003e\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/MTA1MFgxMDUw\/z\/yu0AAOSwN3Bc1iwi\/$_10.JPG\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/MTA1MFgxMDUw\/z\/nM0AAOSwphhc1iwi\/$_10.JPG\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e  \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e","brand":"Eletechsup Original Factory Official‌ Store ","offers":[{"title":"1 pair","offer_id":46537010741405,"sku":"CE005+AE11A04","price":19.99,"currency_code":"USD","in_stock":true},{"title":"4 pairs","offer_id":46537010774173,"sku":"CE005*4+AE11A04*4","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/10_32f45946-de95-4b8f-87b7-bb03db15e6cb.jpg?v=1740746323","url":"https:\/\/eletechsup.com\/es\/products\/mt8870-dtmf-voice-decoder-encoder-telephone-module-for-arduin-mega2560-nano","provider":"Eletechsup Ready Stock Factory Store 6-10days to Worldwide","version":"1.0","type":"link"}