{"title":"Voice \u0026 Audio Modules","description":"","products":[{"product_id":"isd1820-voice-recording-module","title":"ISD1820 Voice Recording Module","description":"\u003ch3 data-section-id=\"1rhad2q\" data-start=\"0\" data-end=\"34\"\u003eISD1820 Voice Recording Module\u003c\/h3\u003e\n\u003cp data-start=\"36\" data-end=\"584\"\u003eThe \u003cstrong data-start=\"40\" data-end=\"74\"\u003eISD1820 Voice Recording Module\u003c\/strong\u003e is a compact and easy-to-use audio recording and playback module designed for DIY electronics, Arduino projects, voice alerts, talking toys, security systems, and interactive devices. Featuring an onboard microphone and speaker driver, it allows users to record and play back voice messages with simple push-button controls or through a microcontroller. The module stores recorded audio in non-volatile memory, ensuring recordings remain محفوظ even when power is removed. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 data-start=\"586\" data-end=\"603\"\u003eKey Features\u003c\/h4\u003e\n\u003cul data-start=\"604\" data-end=\"1226\"\u003e\n\u003cli data-section-id=\"18sihqf\" data-start=\"604\" data-end=\"674\"\u003eRecord and playback voice messages up to approximately 10–20 seconds\u003c\/li\u003e\n\u003cli data-section-id=\"mxh5xr\" data-start=\"675\" data-end=\"723\"\u003eBuilt-in microphone for direct voice recording\u003c\/li\u003e\n\u003cli data-section-id=\"1cqlyog\" data-start=\"724\" data-end=\"778\"\u003eNon-volatile memory retains recordings without power\u003c\/li\u003e\n\u003cli data-section-id=\"16zxh91\" data-start=\"779\" data-end=\"839\"\u003eSupports edge-triggered and level-triggered playback modes\u003c\/li\u003e\n\u003cli data-section-id=\"1bwlyak\" data-start=\"840\" data-end=\"875\"\u003eOperates on 3V–5V DC power supply\u003c\/li\u003e\n\u003cli data-section-id=\"aqeuzg\" data-start=\"876\" data-end=\"933\"\u003eOnboard speaker driver for direct 8Ω speaker connection\u003c\/li\u003e\n\u003cli data-section-id=\"vvf5pa\" data-start=\"934\" data-end=\"991\"\u003eManual push-button operation or microcontroller control\u003c\/li\u003e\n\u003cli data-section-id=\"8hcj9f\" data-start=\"992\" data-end=\"1045\"\u003eAutomatic power-down mode for low power consumption\u003c\/li\u003e\n\u003cli data-section-id=\"1lpvv8w\" data-start=\"1046\" data-end=\"1129\"\u003eAdjustable recording duration and audio quality via onboard resistor modification\u003c\/li\u003e\n\u003cli data-section-id=\"z966eh\" data-start=\"1130\" data-end=\"1226\"\u003eCompact and lightweight design for embedded applications \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1228\" data-end=\"1257\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul data-start=\"1258\" data-end=\"1722\"\u003e\n\u003cli data-section-id=\"1i9hsuc\" data-start=\"1258\" data-end=\"1292\"\u003eIC: ISD1820 Voice Recording Chip\u003c\/li\u003e\n\u003cli data-section-id=\"1bq1l33\" data-start=\"1293\" data-end=\"1322\"\u003eOperating Voltage: 3V–5V DC\u003c\/li\u003e\n\u003cli data-section-id=\"ke1wzr\" data-start=\"1323\" data-end=\"1360\"\u003eRecording Time: Up to 10–20 seconds\u003c\/li\u003e\n\u003cli data-section-id=\"1fk4l3k\" data-start=\"1361\" data-end=\"1396\"\u003eStorage Type: Non-volatile memory\u003c\/li\u003e\n\u003cli data-section-id=\"q7luon\" data-start=\"1397\" data-end=\"1439\"\u003eAudio Input: Onboard Electret Microphone\u003c\/li\u003e\n\u003cli data-section-id=\"1o6vhq8\" data-start=\"1440\" data-end=\"1477\"\u003eSpeaker Output: Supports 8Ω speaker\u003c\/li\u003e\n\u003cli data-section-id=\"12bpznl\" data-start=\"1478\" data-end=\"1526\"\u003eControl Methods: Push Buttons or MCU Interface\u003c\/li\u003e\n\u003cli data-section-id=\"11f9p25\" data-start=\"1527\" data-end=\"1588\"\u003ePlayback Modes: PLAYE (Edge Trigger), PLAYL (Level Trigger)\u003c\/li\u003e\n\u003cli data-section-id=\"kg32wb\" data-start=\"1589\" data-end=\"1722\"\u003eApplications: Voice prompts, alarms, toys, greeting cards, robotics, and educational projects \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1724\" data-end=\"1745\"\u003ePackage Includes\u003c\/h4\u003e\n\u003cul data-start=\"1746\" data-end=\"1782\"\u003e\n\u003cli data-section-id=\"jb2x6i\" data-start=\"1746\" data-end=\"1782\"\u003e1 × ISD1820 Voice Recording Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1784\" data-end=\"1945\"\u003e\u003cstrong data-start=\"1784\" data-end=\"1907\"\u003ePerfect for Arduino, Raspberry Pi, robotics, security alerts, talking projects, and custom voice playback applications.\u003c\/strong\u003e\u003c\/p\u003e","brand":"IRNDS","offers":[{"title":"Default Title","offer_id":49514653614218,"sku":null,"price":156.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/6871\/0794\/files\/41RNASGpWLL.jpg?v=1780912234"},{"product_id":"voice-recognition-module-v3-1","title":"Voice Recognition Module V3.1","description":"\u003ch2 data-section-id=\"4bpf3o\" data-start=\"0\" data-end=\"32\"\u003eVoice Recognition Module V3.1\u003c\/h2\u003e\n\u003cp data-start=\"34\" data-end=\"592\"\u003eAdd voice control to your Arduino and embedded projects with the Voice Recognition Module V3.1. This compact, offline speech recognition module allows users to train and store custom voice commands without requiring an internet connection. It supports up to 80 voice commands and can recognize up to 7 commands simultaneously, making it ideal for home automation, robotics, smart devices, and interactive electronics projects. Compatible with Arduino, ESP32, STM32, and other microcontrollers through UART communication. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"19zqy0x\" data-start=\"594\" data-end=\"606\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"607\" data-end=\"1101\"\u003e\n\u003cli data-section-id=\"f4bv31\" data-start=\"607\" data-end=\"654\"\u003eSupports up to 80 user-trained voice commands\u003c\/li\u003e\n\u003cli data-section-id=\"d1crc6\" data-start=\"655\" data-end=\"709\"\u003eUp to 7 active voice commands can run simultaneously\u003c\/li\u003e\n\u003cli data-section-id=\"llq29k\" data-start=\"710\" data-end=\"760\"\u003eOffline voice recognition – no internet required\u003c\/li\u003e\n\u003cli data-section-id=\"c8773l\" data-start=\"761\" data-end=\"795\"\u003eUART and GPIO control interfaces\u003c\/li\u003e\n\u003cli data-section-id=\"9cuj8c\" data-start=\"796\" data-end=\"848\"\u003eCompatible with Arduino and other microcontrollers\u003c\/li\u003e\n\u003cli data-section-id=\"1k6yjtl\" data-start=\"849\" data-end=\"902\"\u003eUser-trainable commands for customized applications\u003c\/li\u003e\n\u003cli data-section-id=\"1bbh3gx\" data-start=\"903\" data-end=\"953\"\u003eHigh recognition accuracy under ideal conditions\u003c\/li\u003e\n\u003cli data-section-id=\"wemq66\" data-start=\"954\" data-end=\"1006\"\u003eIncludes external microphone for clear voice input\u003c\/li\u003e\n\u003cli data-section-id=\"1rxllt4\" data-start=\"1007\" data-end=\"1101\"\u003eEasy integration with robotics and automation projects \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1103\" data-end=\"1121\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"1122\" data-end=\"1529\"\u003e\n\u003cli data-section-id=\"1kc68bj\" data-start=\"1122\" data-end=\"1154\"\u003eOperating Voltage: 4.5V – 5.5V\u003c\/li\u003e\n\u003cli data-section-id=\"1qqpjmy\" data-start=\"1155\" data-end=\"1184\"\u003eCurrent Consumption: \u0026lt; 40mA\u003c\/li\u003e\n\u003cli data-section-id=\"1unhad1\" data-start=\"1185\" data-end=\"1218\"\u003eInterface: UART (5V TTL) \/ GPIO\u003c\/li\u003e\n\u003cli data-section-id=\"1uafq6j\" data-start=\"1219\" data-end=\"1256\"\u003eVoice Command Capacity: 80 commands\u003c\/li\u003e\n\u003cli data-section-id=\"flcuf6\" data-start=\"1257\" data-end=\"1293\"\u003eActive Commands: Up to 7 at a time\u003c\/li\u003e\n\u003cli data-section-id=\"k5uxxg\" data-start=\"1294\" data-end=\"1343\"\u003eMaximum Command Length: 1.5 seconds (1–2 words)\u003c\/li\u003e\n\u003cli data-section-id=\"x67x7r\" data-start=\"1344\" data-end=\"1403\"\u003eMicrophone Interface: 3.5mm Mono Jack + Mic Pin Interface\u003c\/li\u003e\n\u003cli data-section-id=\"1ebh3u6\" data-start=\"1404\" data-end=\"1435\"\u003eDimensions: 50mm × 31mm × 8mm\u003c\/li\u003e\n\u003cli data-section-id=\"1nm2ilm\" data-start=\"1436\" data-end=\"1529\"\u003eRecognition Accuracy: Up to 99% in ideal environments \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"1531\" data-end=\"1547\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1548\" data-end=\"1762\"\u003e\n\u003cli data-section-id=\"1q9g972\" data-start=\"1548\" data-end=\"1573\"\u003eVoice-controlled robots\u003c\/li\u003e\n\u003cli data-section-id=\"1ts8eap\" data-start=\"1574\" data-end=\"1597\"\u003eSmart home automation\u003c\/li\u003e\n\u003cli data-section-id=\"1leumzx\" data-start=\"1598\" data-end=\"1622\"\u003eHome appliance control\u003c\/li\u003e\n\u003cli data-section-id=\"cftsug\" data-start=\"1623\" data-end=\"1641\"\u003eSecurity systems\u003c\/li\u003e\n\u003cli data-section-id=\"12rtojq\" data-start=\"1642\" data-end=\"1664\"\u003eInteractive projects\u003c\/li\u003e\n\u003cli data-section-id=\"16vjs9c\" data-start=\"1665\" data-end=\"1695\"\u003eAssistive technology devices\u003c\/li\u003e\n\u003cli data-section-id=\"1s4gaw5\" data-start=\"1696\" data-end=\"1762\"\u003eIoT and automation systems \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"5t7ttf\" data-start=\"1764\" data-end=\"1784\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cul data-start=\"1785\" data-end=\"1875\"\u003e\n\u003cli data-section-id=\"5u1h4v\" data-start=\"1785\" data-end=\"1820\"\u003e1 × Voice Recognition Module V3.1\u003c\/li\u003e\n\u003cli data-section-id=\"3xjaj9\" data-start=\"1821\" data-end=\"1875\"\u003e1 × Microphone\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IRNDS","offers":[{"title":"Default Title","offer_id":49514843340938,"sku":null,"price":1628.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/6871\/0794\/files\/41kS4Zeh9LL.jpg?v=1780915209"}],"url":"https:\/\/irnds.com\/collections\/voice-audio-modules.oembed","provider":"IRNDS","version":"1.0","type":"link"}