{"product_id":"isd1820-3-5v-voice-module-recording-and-playback-module-with-microphone-and-0-5w-speaker","title":"ISD1820 3-5V Voice Module Recording And Playback Module with Microphone and 0.5W Speaker","description":"\u003cmeta name=\"description\" content=\"Buy ISD1820 35V Voice Module Recording And Playback Module with online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eISD1820 3-5V Voice Recording and Playback Module with Microphone \u0026amp; 0.5W Speaker\u003c\/h1\u003e\n\u003cp\u003eAdd voice recording and playback capabilities to your projects with this compact ISD1820 module from The Tech Depot, Bengaluru. Record up to 10 seconds of audio, store it in non-volatile memory, and play it back on demand - perfect for talking greeting cards, alarm systems, interactive toys, and voice-activated projects. Ships complete with an onboard electret microphone and a 0.5W 8Ohm speaker, so you're ready to go right out of the box. Fast shipping across India, 7-day warranty on manufacturing defects, and dedicated technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain IC\u003c\/td\u003e\n\u003ctd\u003eISD1820 Single-Chip Voice Record\/Playback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.0V - 5.0V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecording Duration\u003c\/td\u003e\n\u003ctd\u003e8 - 20 seconds (default ~10 seconds at 6.4 kHz sampling)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003e3.2 kHz - 12.8 kHz (adjustable via onboard resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Type\u003c\/td\u003e\n\u003ctd\u003eNon-volatile (retains recording with power off, no battery backup needed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Output\u003c\/td\u003e\n\u003ctd\u003e0.5W, 8Ohm speaker included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrophone\u003c\/td\u003e\n\u003ctd\u003eOnboard electret condenser microphone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlayback Modes\u003c\/td\u003e\n\u003ctd\u003eEdge-triggered (PLAYE), Level-triggered (PLAYL), and direct speaker drive (FT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Buttons\u003c\/td\u003e\n\u003ctd\u003e3 onboard push buttons - REC, PLAYE, PLAYL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Pins\u003c\/td\u003e\n\u003ctd\u003eREC, PLAYE, PLAYL, FT, VCC, GND, SP+, SP (microcontroller-compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 37 mm x 54 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1 uA (ultra-low power in standby)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e40 degreesC to +85 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic ISD1820 IC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-chip solution:\u003c\/strong\u003e The ISD1820 handles recording, storage, and playback - no external flash memory or codec needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-volatile storage:\u003c\/strong\u003e Recorded audio is retained even when power is removed; supports up to 100,000 record cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree playback modes:\u003c\/strong\u003e Edge-triggered (plays full message once), level-triggered (plays only while button is held), and feed-through mode for real-time microphone amplification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable recording duration:\u003c\/strong\u003e Change the onboard resistor to trade off between recording length (up to ~20 seconds) and audio quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrocontroller-friendly:\u003c\/strong\u003e All control pins are broken out to headers - drive REC, PLAYE, and PLAYL directly from Arduino, ESP32, Raspberry Pi, or any 3.3V\/5V microcontroller via simple HIGH\/LOW signals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandalone operation:\u003c\/strong\u003e Three onboard tactile buttons let you record and play without any microcontroller at all\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete audio chain included:\u003c\/strong\u003e Onboard electret microphone for recording and 0.5W\/8Ohm speaker for playback - no extra components required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low standby power:\u003c\/strong\u003e Less than 1 uA in standby, ideal for battery-powered applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide voltage range:\u003c\/strong\u003e Operates reliably from 3V to 5V, compatible with both 3.3V and 5V logic systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact form factor:\u003c\/strong\u003e Small PCB footprint fits easily into enclosures, toys, and embedded systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Module?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic ISD1820 IC sourced from authorized distributors - authentication verified\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most of India; same-day delivery within Bengaluru\u003c\/li\u003e\n\u003cli\u003eExpert technical support included - get help with wiring, code, and integration\u003c\/li\u003e\n\u003cli\u003eComplete kit with microphone and speaker - no additional purchases needed to get started\u003c\/li\u003e\n\u003cli\u003eTrusted by thousands of engineers, students, and makers across India\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTalking Greeting Cards \u0026amp; Gift Boxes:\u003c\/strong\u003e Record a personal voice message that plays when the card is opened using a simple trigger switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecurity \u0026amp; Alarm Systems:\u003c\/strong\u003e Record a warning message or siren sound that plays when a PIR motion sensor or door sensor is triggered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInteractive Toys \u0026amp; Props:\u003c\/strong\u003e Build talking dolls, Halloween decorations, or museum exhibit narrators with push-button or sensor-activated playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoorbell with Custom Message:\u003c\/strong\u003e Replace a standard buzzer with a recorded voice greeting - \"Welcome!\" or any custom announcement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice Memo Recorder:\u003c\/strong\u003e Create a simple standalone voice memo device powered by a coin cell or USB power\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy ISD1820 3-5V Voice Module Recording And Playback Module with Microphone and 0.5W Speaker Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eISD1820 3-5V Voice Module Recording And Playback Module with Microphone and 0.5W Speaker\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eISD1820 3-5V Voice Module Recording And Playback Module with Microphone and 0.5W Speaker\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eISD1820 3-5V Voice Module Recording And Playback Module with Microphone and 0.5W Speaker\u003c\/strong\u003e at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746540892417,"sku":"TTD-17504","price":159.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/3adc6aa9d5c1e97129614af9100df518.jpg?v=1778107166","url":"https:\/\/techdepot.in\/products\/isd1820-3-5v-voice-module-recording-and-playback-module-with-microphone-and-0-5w-speaker","provider":"Tech Depot India","version":"1.0","type":"link"}