{"product_id":"mt8870-dtmf-decoder-voice-decoding-module-phone-remote-control-board","title":"CE005 MT8870 DTMF Decoder Voice decoding module phone Remote control Board","description":"\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(192, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eProduct Name: MT8870 DTMF Decoder Voice decoding module phone Remote control Board\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\n\u003cspan style=\"font-size:18px\"\u003ePackage:\u003c\/span\u003e\u003cspan style=\"font-size:18px\"\u003e:\u003c\/span\u003e\n\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e1 PCS MT8870 DTMF Voice decoding module;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cspan style=\"font-size:18px\"\u003e1 PCS 50cm Male to Male audio cable (\u003c\/span\u003e \u003cspan style=\"font-size:18px\"\u003e3.5mm \u003c\/span\u003e \u003cspan style=\"font-size:18px\"\u003ejack );\u003c\/span\u003e\n\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size:18px\"\u003eDescription: \u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eOnboard Complex Frequency Decoder IC MT8870D\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eOnboard 5 LED indicators for easy viewing output state \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eUniversal 2.54mm pin \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eDC Power Supply Voltage : 5V(4.5V-5.5V)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eOperating Temperature : -40-+85 °C\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eIO Drive : Current Maximum 10mA.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ePCB Size : 25.4x25.4MM\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eThis decoding module is for mobile and fixed telephone voice dialing decoding function\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:22px\"\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003eDesigned specifically for ARDUIUO(UNO MEGA2560 etc) Board.also use \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e\u003cspan\u003e  \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003efor Breadboard MCU(\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"color:rgb(0, 112, 192);font-size:22px\"\u003eC8051 C51 ZIGBEE CC2530 \u003c\/span\u003e \u003cspan style=\"color:rgb(0, 112, 192);font-size:22px\"\u003eAVR PIC MSP430 STM32 STM8 \u003c\/span\u003e \u003cspan style=\"color:rgb(0, 112, 192);font-size:22px\"\u003eARM\u003c\/span\u003e \u003cspan style=\"color:rgb(0, 112, 192);font-size:22px\"\u003e Xilinx Altera Lattice FPGA\/CPLD)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eDoes not require any wiring, can be inserted directly into the UNO\/MEGA2560\/DUE board to use.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e12 Digital outputs decode mobile and fixed telephone keys (0,1,2,3,4,5,6,7,8,9, * #).Another 4 Digital output(A,B,C,D) can use ''DTMF Dial'' PC Software control.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan new=\"\" style=\"font-size:14pt;font-family:\" times=\"\"\u003eDial-up -\u0026gt; A4 A3 A2 A1\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003e \u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial 1   -\u0026gt; 0 0 0 1\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003edial 2    -\u0026gt; 0 0 1 0\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial 3   -\u0026gt; 0 0 1 1\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial 4   -\u0026gt; 0 1 0 0\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial 5   -\u0026gt; 0 1 0 1\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial 6   -\u0026gt; 0 1 1 0\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial 7   -\u0026gt; 0 1 1 1\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial 8   -\u0026gt; 1 0 0 0\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial 9   -\u0026gt; 1 0 0 1\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial 0   -\u0026gt; 1 0 1 0\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial *   -\u0026gt; 1 0 1 1\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial #   -\u0026gt; 1 1 0 0\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial A  -\u0026gt; 1 1 0 1\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial B  -\u0026gt; 1 1 1 0\u003c\/div\u003e\n\u003cdiv new=\"\" style=\"font-family:\" times=\"\"\u003eDial C  -\u0026gt; 1 1 1 1\u003c\/div\u003e\n\u003cdiv style=\"font-family:helvetica, verdana, sans-serif;font-size:13px;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\"\u003e\u003cspan new=\"\" style=\"font-size:14pt;font-family:\" times=\"\"\u003eDial D  -\u0026gt; 0 0 0 0\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eArduiuo uno\/mega2560 Code fragment:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color:rgb(0, 176, 80)\"\u003e\u003cspan style=\"font-size:18px\"\u003eAfter purchase, please contact me for complete code!\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e\/\/*******************************************\/\/\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e#include \u003cflexitimer2.h\u003e\u003c\/flexitimer2.h\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eint STD = A0;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eint Q1 = A1;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eint Q2 = A2;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eint Q3 = A3;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eint Q4 = A4;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e....\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e\/\/Check once every 5 ms\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003evoid dtmf_decode(void)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e{\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e....\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e}\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003evoid setup()\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e{\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e.....\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e}\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003evoid loop()\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e{\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e\/\/Complete the decoding\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eif(Decod_finished)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e{\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eDecod_finished = 0;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eSerial.print('' Activate : '' );\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eswitch(Q_dat){\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 1 : Serial.print(''1 \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 2 : Serial.print(''2 \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 3 : Serial.print(''3 \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 4 : Serial.print(''4 \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 5 : Serial.print(''5 \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 6 : Serial.print(''6 \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 7 : Serial.print(''7 \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 8 : Serial.print(''8 \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 9 : Serial.print(''9 \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 10 : Serial.print(''0 \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 11 : Serial.print(''* \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003ecase 12 : Serial.print(''# \/n'' ); break;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:medium\"\u003e....\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e}\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e.....\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003e\/\/****************************************************************************\/\/\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eTypical application for Mobile phones((Does not include UNO\/MEGA2560):\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:18px\"\u003eTypical application for DTMF Dial PC Software:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e","brand":"Eletechsup Factory store ","offers":[{"title":"Default Title","offer_id":46468117758109,"sku":"CE005","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/Sa6dceea1850349c1b296efe27a223006f.webp?v=1738733087","url":"https:\/\/eletechsup.com\/es\/products\/mt8870-dtmf-decoder-voice-decoding-module-phone-remote-control-board","provider":"Eletechsup Ready Stock Factory Store 6-10days to Worldwide","version":"1.0","type":"link"}