{"product_id":"diy-radio-electronic-kit-parts-51-single-chip-fm-digital-sound-machine","title":"DIY Radio Electronic Kit Parts 51 Single-chip FM Digital Sound Machine","description":"\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv\u003e\u003cspan style=\"font-weight: bolder;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-weight: bolder;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003eIntroduction:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe main control chip is composed of STC89C52 chip + TDA5807 core device, which is connected through the I2C bus between the master and slave devices, and uses the software simulation bus timing method to drive the TDA5807 chip to work. The program realizes the automatic radio search function, and the frequency reception range is 87- 108MHZ, frequency band information is displayed in real time on LCD1602 LCD screen. The output audio signal is amplified by the power amplifier chip LM386 to drive the speaker to work.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eThe receiving sensitivity and sound quality are very good, and the anti-noise interference ability is strong, which effectively reduces the noise interference when listening to the radio. The sound becomes clearer under the action of the power amplifier chip.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eAdding the level indicator makes listening to the radio a full enjoyment.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px; background-color: rgb(255, 255, 0);\"\u003e\u003cfont color=\"#ff0000\"\u003eAssemble manual: \u003ca href=\"http:\/\/myosuploads3.banggood.com\/products\/20201116\/20201116210341RDA5807FMdigitalradio.doc\" target=\"_blank\"\u003eClick here.\u003c\/a\u003e\u003c\/font\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-weight: bolder;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003eFeatures:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e1. This module adopts DC 5V working voltage, it is convenient to get power and supports computer USB power supply and mobile charging treasure.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e2. This radio uses digital tuning and volume control. It is more convenient to search for radio stations and adjust the volume.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e3. Note: Some stocks have updated the PCB board and added 3 resistors, and other functions do not affect the use.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cimg class=\"bg_lazy\" title=\"DIY Radio Electronic Kit Parts 51 Single-chip FM Digital Sound Machine\" src=\"https:\/\/imgaz.staticbg.com\/newimages\/grey.gif\" data-original=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/3E\/57\/6d743aa9-aa5b-4981-bba7-611680b1cddc.jpg\" style=\"width: 824px;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-weight: bolder;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003eSpecification:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eDC power supply 5V, positive and negative, do not reverse.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eFrequency modulation range: 87MHZ-108MHZ\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eShell size: 9.5cm*6.4CM*5.0CM\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eWorking voltage: 4.5V-5.5V DC\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-weight: bolder;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003ePackage included:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e1 x DIY Radio Electronic Kit \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cimg src=\"https:\/\/img.sellercube.com\/hwyimg\/34978c09-240e-40ec-bce2-3bf6a1975770.jpg\" style=\"width: 100%;\"\u003e\u003cbr\u003e\n\u003c\/div\u003e","brand":"ontproduct","offers":[{"title":"Default Title","offer_id":49120438878433,"sku":"BG-1982860","price":15.29,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/80fe1e37-4595-4f02-8e4a-8eb303982ba8.jpg?v=1789396686","url":"https:\/\/ontproduct.com\/products\/diy-radio-electronic-kit-parts-51-single-chip-fm-digital-sound-machine","provider":"IvySource","version":"1.0","type":"link"}