{"product_id":"stc89c51-stc89c52-stc89c54-51microcontroller-stringless-photophone-led-music-keyless-electronic-laser-piano-diy-loose-parts","title":"STC89C51 STC89C52 STC89C54 51Microcontroller Stringless Photophone LED Music Keyless Electronic Laser Piano DIY Loose Parts","description":"\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003eFeatures:\u003cbr\u003e1.This photoelectric piano has a total of 7 strings, and the buzzer emits the corresponding sound level when cutting the strings. \u003cbr\u003e\u003cbr\u003e3. Optoelectronic pianos do not have strings, but are replaced by bright beams of light. Users only need to pluck the beam, as if plucking the strings, and can still play a melody. \u003cbr\u003e4. This production consists of two parts: a photosensitive circuit and a microcontroller. \u003cbr\u003e5. It can arouse interest in music and technology, and for friends who enjoy DIY, this is a good creative small production.\u003c\/p\u003e\n\u003cp\u003eProduct Introduction:\u003c\/p\u003e\n\u003cp\u003eParameter: \u003cbr\u003ePower supply voltage: DC4.5V-5.5V \u003cbr\u003eLED lights: 8 \u003cbr\u003ePower socket: DC-005 socket \u003cbr\u003ePower cord: USB to DC-005 cable \u003cbr\u003eMain board circuit board size: 8.9cm * 6.0cm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"mickcara","offers":[{"title":"Unassembled","offer_id":43053945553033,"sku":"caf866-1-Unassembled-China","price":31.78,"currency_code":"USD","in_stock":true},{"title":"A set","offer_id":43053945585801,"sku":"caf866-2-Aset-China","price":32.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/2131\/2393\/files\/f6ae9ba96394b04a03f4dd6f09216dbd.jpg?v=1729234718","url":"https:\/\/mickcara.com\/fr\/products\/stc89c51-stc89c52-stc89c54-51microcontroller-stringless-photophone-led-music-keyless-electronic-laser-piano-diy-loose-parts","provider":"mickcara","version":"1.0","type":"link"}