{"product_id":"bt66-um66-musical-ic","title":"BT66\/UM66 Musical IC","description":"\u003cp data-start=\"57\" data-end=\"563\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe BT66\/UM66 Musical IC is a compact CMOS melody generator integrated circuit designed to generate pre-programmed musical tunes for electronic devices. It contains an internal ROM that stores a fixed melody consisting of 64 musical notes, eliminating the need for external programming or memory. When powered, the IC automatically begins playing the stored melody through a piezo buzzer or a speaker (using an external transistor for higher sound output). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"565\" data-end=\"839\"\u003eThe BT66\/UM66 operates at very low voltage and consumes extremely little current, making it ideal for battery-powered applications. It is widely used in musical greeting cards, electronic toys, doorbells, alarm systems, timers, novelty gadgets, and DIY electronics projects.\u003c\/p\u003e\n\u003cp data-start=\"841\" data-end=\"1046\"\u003eAvailable in a compact TO-92 package, the BT66\/UM66 is easy to integrate into Arduino-compatible projects, embedded systems, and educational electronics where simple musical notifications are required.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"1053\" data-end=\"1071\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cstrong data-start=\"1055\" data-end=\"1071\"\u003eKey Features\u003c\/strong\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1073\" data-end=\"1574\"\u003e\n\u003cli data-section-id=\"akajxx\" data-start=\"1073\" data-end=\"1109\"\u003ePre-programmed melody generator IC\u003c\/li\u003e\n\u003cli data-section-id=\"xi7wju\" data-start=\"1110\" data-end=\"1139\"\u003eBuilt-in 64-note ROM memory\u003c\/li\u003e\n\u003cli data-section-id=\"1nep6s7\" data-start=\"1140\" data-end=\"1167\"\u003eLow power CMOS technology\u003c\/li\u003e\n\u003cli data-section-id=\"s9mk8z\" data-start=\"1168\" data-end=\"1199\"\u003eUltra-low current consumption\u003c\/li\u003e\n\u003cli data-section-id=\"1ld10k1\" data-start=\"1200\" data-end=\"1236\"\u003eOperates from a low supply voltage\u003c\/li\u003e\n\u003cli data-section-id=\"tuya1m\" data-start=\"1237\" data-end=\"1276\"\u003eAutomatic melody playback on power-up\u003c\/li\u003e\n\u003cli data-section-id=\"6mzdfc\" data-start=\"1277\" data-end=\"1312\"\u003eCan directly drive a piezo buzzer\u003c\/li\u003e\n\u003cli data-section-id=\"u43rik\" data-start=\"1313\" data-end=\"1361\"\u003eSupports external transistor for speaker drive\u003c\/li\u003e\n\u003cli data-section-id=\"tox760\" data-start=\"1362\" data-end=\"1385\"\u003eCompact TO-92 package\u003c\/li\u003e\n\u003cli data-section-id=\"gjjric\" data-start=\"1386\" data-end=\"1420\"\u003eNo external programming required\u003c\/li\u003e\n\u003cli data-section-id=\"i0bjz7\" data-start=\"1421\" data-end=\"1452\"\u003eStable and reliable operation\u003c\/li\u003e\n\u003cli data-section-id=\"v8me5g\" data-start=\"1453\" data-end=\"1482\"\u003eSimple three-pin connection\u003c\/li\u003e\n\u003cli data-section-id=\"hw531f\" data-start=\"1483\" data-end=\"1518\"\u003eIdeal for battery-powered devices\u003c\/li\u003e\n\u003cli data-section-id=\"185jk8d\" data-start=\"1519\" data-end=\"1574\"\u003eSuitable for DIY and educational electronics projects\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Roboracter","offers":[{"title":"Default Title","offer_id":46708368638006,"sku":"UTZ1AA5E10","price":22.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/0731\/2694\/files\/bt66-1.png?v=1782833328","url":"https:\/\/roboracter.in\/products\/bt66-um66-musical-ic","provider":"Roboracter","version":"1.0","type":"link"}