{"id":1717,"date":"2018-10-29T10:57:29","date_gmt":"2018-10-29T08:57:29","guid":{"rendered":"http:\/\/racov.ro\/?p=1717"},"modified":"2018-10-29T10:57:29","modified_gmt":"2018-10-29T08:57:29","slug":"receptor-bluetooth","status":"publish","type":"post","link":"https:\/\/racov.ro\/index.php\/2018\/10\/29\/receptor-bluetooth\/","title":{"rendered":"Receptor BLUETOOTH"},"content":{"rendered":"

Sau cum s\u0103 transformi scula ta HiFi \u00eentr-un player wireless.
\nVrei s\u0103 pui odat\u0103 muzic\u0103 de pe telefon pe amplif-ul de 100 W?
\nSau de pe Youtube? F\u0103r\u0103 fire, c\u0103 ai nevoie de telefon \u00een buzunar, nu ag\u0103\u021bat de amplif.
\nSimplu. Cu un receptor bluetooth<\/em><\/strong> po\u021bi s\u0103 transformi orice amplificator, combin\u0103 HiFi, \u00eentr-un player wireless.<\/p>\n

Eu am luat dou\u0103.
\n\"\"<\/a>
\n\"\"<\/a><\/p>\n

\"\"<\/a><\/p>\n

\u0218i acum s\u0103 trecem la partea frumoas\u0103, la disec\u021bie\u00a0\ud83d\ude00<\/p>\n

Primul receptor:
\n\"\"<\/a><\/p>\n

Ie\u0219ire audio – Jack 3,5mm. \u0102sta intr\u0103 \u00een audio system.<\/p>\n

\"\"<\/a><\/p>\n

Alimentare, mini-USB, cam \u00eenvechit.
\nInteriorul…
\n\"\"<\/a><\/p>\n

\"\"<\/a><\/p>\n

S\u0103ge\u021bile arat\u0103 o rezisten\u021b\u0103 \u0219i un condensator “deranjate” de \u0219urubelni\u021ba cu care am deschis carcasa\u00a0\ud83d\ude33 .<\/p>\n

Chip-ul aste acesta:
\nRDA5850 is a highly integrated single chip turnkey Bluetooth radio transceiver and baseband processor with multi-media capability. Bluetooth feature is compliant with Bluetooth 2.1\u00a0and EDR specification and provides an optimal solution for data and music application.<\/span><\/p>\n

\n

Multi-media Feature<\/strong><\/span>
\n\u00a0\u00a0\u00a0<\/span>External SPI Flash interface<\/span>
\n\u00a0\u00a0\u00a0<\/span>Multi-media Support<\/span>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>SBC<\/span>\u00a0 \u00a0\u00a0\u00a0<\/span>MP3<\/span>\u00a0 \u00a0\u00a0\u00a0<\/span>WMA<\/span>\u00a0 \u00a0\u00a0\u00a0<\/span>WAV<\/span>
\n\u00a0\u00a0\u00a0<\/span>Stereo audio line input<\/span>
\n\u00a0\u00a0\u00a0<\/span>Supports Serial LCD interface\/ LEDs<\/span>
\n\u00a0\u00a0\u00a0<\/span>Power management<\/span>
\n\u00a0\u00a0\u00a0<\/span>Power on reset control<\/span>
\n\u00a0\u00a0\u00a0<\/span>Integrated Battery charger<\/span>
\n\u00a0\u00a0\u00a0<\/span>Integrated all internal voltage supply<\/span>
\nAudio<\/strong><\/span>
\n\u00a0\u00a0\u00a0\u00a0<\/span>Integrated 1W audio speaker driver<\/span>
\n\u00a0\u00a0\u00a0<\/span>User Interface<\/span>\u00a0<\/span>supports 3×3 keypad matrix detection<\/span>
\n\u00a0\u00a0\u00a0<\/span>Real-time clock<\/span>
\n\u00a0\u00a0\u00a0<\/span>\u00a0<\/span>I2C<\/span>
\n\u00a0\u00a0\u00a0<\/span>FM Receiver Integrated<\/span>
\n\u00a0\u00a0\u00a0<\/span>MMC\/SD support<\/span>
\n\u00a0\u00a0\u00a0<\/span>USB1.2 device only<\/span>
\n\u00a0\u00a0\u00a0<\/span>\u00a0<\/span>IR decode<\/span>
\n\u00a0\u00a0\u00a0<\/span>ECHO cancel for hands-free<\/span>
\n\u00a0\u00a0\u00a0<\/span>Voice record<\/span>
\n\u00a0\u00a0\u00a0<\/span>Bluetooth profile<\/span>\u00a0<\/span>HFP\/HSP\u00a0 \u00a0 \u00a0<\/span>OPP<\/span>\u00a0 \u00a0\u00a0\u00a0<\/span>A2DP<\/span>\u00a0 \u00a0\u00a0\u00a0<\/span>AVRC<\/span>
\nBluetooth Feature<\/strong><\/span>
\n\u00a0\u00a0\u00a0<\/span>l<\/span>CMOS single-chip fully-integrated radio and baseband<\/span>
\n\u00a0\u00a0\u00a0<\/span>l<\/span>Compliant with Bluetooth 2.1\u00a0 and EDR specification<\/span>
\n\u00a0\u00a0\u00a0<\/span>l<\/span>Bluetooth Piconet and Scatternet support<\/span>
\n\u00a0\u00a0\u00a0<\/span>l<\/span>Meet class2 and class3 transmitting power requirement<\/span>
\n\u00a0\u00a0\u00a0<\/span>l<\/span>Provides +7dbm transmitting power<\/span>
\n\u00a0\u00a0\u00a0<\/span>l<\/span>NZIF receiver with -80dBm sensitivity<\/span>
\n\u00a0\u00a0\u00a0<\/span>l<\/span>Support DCXO with internal oscillator circuit<\/span>
\n\u00a0\u00a0\u00a0<\/span>l<\/span>Low power consumption<\/span><\/p>\n

Despre cel\u0103lalt, AH1424, nu am g\u0103sit nimic. Poate e un flash memory, poate un amplificator audio… Orice p\u0103rere e binevenit\u0103.
\n\"\"<\/a><\/p>\n

Eticheta tradus\u0103 cu Google translate
\n<\/p>\n

<\/p>\n

Chinezul scrie Bluetooth v3.0 pe etichet\u0103, de\u0219i specifica\u021bia chip-ului spune clar\u00a0Compliant with Bluetooth 2.1<\/p>\n

<\/span><\/strong><\/em><\/p>\n

Acum al doilea receptor:
\n\"\"<\/a><\/p>\n

\"\"<\/a><\/p>\n

Alimentare direct pe mufa USB. Eu zic c\u0103 e bine. Ie\u0219ire audio, la fel, jack 3,5mm.
\n\"\"<\/a><\/p>\n

\"\"<\/a><\/p>\n

\"\"<\/a><\/p>\n

Chipset-ul pare compus din aceea\u0219i familie multi-versatil\u0103, ieftin\u0103, RDA585x, de data asta 5851.<\/p>\n<\/div>\n

RDA5851F is a highly integrated, low-cost, low-power stereo with Bluetooth phone function + TF card + FM + Line in full-featured single-chip module, in line with Bluetooth2.1 + EDR specification. (At the same time reserved for dot matrix LCD screen, you can also do mic recording, support for infrared remote but these require an enhanced version of the software support).\u00a0<\/span><\/div>\n
1. You can play MP3 \/ WMA \/ WAV \/ SBC\u00a0<\/span><\/div>\n
2. Bluetooth stereo transmission, Bluetooth phone\u00a0<\/span><\/div>\n
3.FM radio\u00a0<\/span><\/div>\n
4.TF\/SD card control, support for USB (slave) function, which can achieve the card reader function\u00a0<\/span><\/div>\n
5. Stereo Line-in input\u00a0<\/span><\/div>\n
6.IR remote\u00a0<\/span><\/div>\n
7. Support 3X3 matrix key\u00a0<\/span><\/div>\n
8. The two controllable LED, support external amplifier mute function\u00a0<\/span><\/div>\n
9. The integrated Power Management\u00a0<\/span><\/div>\n
10, 2x1W integrated amplifier, dual-channel amplifier output directly (recommended 2×6 European speakers, power is about 2×0.75W)\u00a0<\/span><\/div>\n
11, with high-speed UART interface debugging and upgrades\u00a0<\/span><\/div>\n
II. Module Applications\u00a0<\/span><\/div>\n
\u00a0 \u00a0 This module is mainly used for short-distance transmission of music, you can easily and notebook computers, mobile phones, PDA and other digital products connected Bluetooth devices, wireless transmission of music, as an integrated FM and MMC card playback functions, so that the product has there is a very high price.\u00a0<\/span><\/div>\n
1. Bluetooth speaker single-chip solution, integrating Line in, FM, IR, TF \/ SD card and amplifier\u00a0<\/span><\/div>\n
2. Bluetooth Stereo Headset\u00a0<\/span><\/div>\n
3. Bluetooth wireless audio transmission\u00a0<\/span><\/div>\n
4. Card reader, Bluetooth dialing, Bluetooth companion products\u00a0<\/span><\/div>\n
III. Module Specifications\u00a0<\/span><\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0Bluetooth version Bluetooth V2.1 + EDR\u00a0<\/span><\/div>\n
\u00a0 \u00a0 Modulation PSK 3Mbps, \u03c0 \/ 4-DQPSK and 8DPSK\u00a0<\/span><\/div>\n
Supports HFP \/ HSP, OPP, A2DP \/ AVRCP, PBAP profiles\u00a0<\/span><\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0Sensitivity (0.1% BER) -82dBm\u00a0<\/span><\/div>\n
Transmit power to meet the requirements of class2 and class3 transmit power can provide + 7dbm maximum transmit power\u00a0<\/span><\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0Supply voltage 3.2V ~ 4.2V\u00a0<\/span><\/div>\n
\u00a0 \u00a0 Current consumption when the normal operating current 45mA, 32mA Play Pause\u00a0<\/span><\/div>\n
\u00a0 \u00a0 \u00a0 \u00a050dB SNR 70dB separation\u00a0<\/span><\/div>\n
Operating temperature -20 ~ + 50 c<\/p>\n

<\/span><\/div>\n

Al doilea chip, de asemenea, poate fi un amplificator audio, de\u0219i \u0219i cel bluetooth are amplificare audio.<\/div>\n
\"\"<\/a><\/div>\n
\"\"<\/a>
\n\"\"<\/a><\/div>\n
Dac\u0103 este a\u0219a, atunci performan\u021bele din acest document par chiar impresionante.
\nDac\u0103 nu, poate, de asemenea fi o memorie flash \ud83d\ude44 .<\/p>\n

\u00cen final, dup\u0103 testare, al doilea, cel mai mic \u0219i negru, pare s\u0103 se aud\u0103 pu\u021bin mai bine, dar per ansamblu, nu m-a dat pe spate. CD-player-ul pe cablu, de exemplu, e muuult superior.<\/p><\/div>\n

\u00cemperecherea e foarte u\u0219oar\u0103, doar selectezi SC-Z100<\/strong> (primul) sau U-01<\/strong> (al doilea) din lista de dispozitive vizibile \u0219i imediat auzi \u00een boxe o voce de chinezoaic\u0103 care zice CONNECTED. <\/strong><\/em>A doua oar\u0103 c\u00e2nd porne\u0219ti bluetooth-ul nu mai selectezi nimic, se conecteaz\u0103 automat.<\/div>\n
Distan\u021ba maxim\u0103 e mic\u0103\u00a0\ud83d\ude06 . Dac\u0103 te duci p\u00e2n\u0103 la buc\u0103t\u0103rie sa-\u021bi iei o\u00a0bere<\/del> can\u0103 de ap\u0103, \u00eencepe s\u0103 se aud\u0103 cu \u00eentreruperi.<\/div>\n
La banii \u0103\u0219tia se merit\u0103 s\u0103 adaugi sistemului t\u0103u HiFi \u0219i capacit\u0103\u021bi WiFi \ud83d\ude42 .<\/div>\n
Sigur, sunt \u0219i variante mai scumpe, care probabil se aud mult mai bine. \u0218i bat mai mult. P\u00e2n\u0103 atunci, la c\u00e2t mai mult\u0103 muzic\u0103 wireless.<\/div>\n","protected":false},"excerpt":{"rendered":"

Sau cum s\u0103 transformi scula ta HiFi \u00eentr-un player wireless. Vrei s\u0103 pui odat\u0103 muzic\u0103 de pe telefon pe amplif-ul<\/p>\n","protected":false},"author":1,"featured_media":1719,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[3],"tags":[],"class_list":["post-1717","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/racov.ro\/wp-content\/uploads\/2018\/10\/bluetooth-music.png?fit=700%2C350&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p75FkB-rH","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/posts\/1717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/comments?post=1717"}],"version-history":[{"count":2,"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/posts\/1717\/revisions"}],"predecessor-version":[{"id":1721,"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/posts\/1717\/revisions\/1721"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/media\/1719"}],"wp:attachment":[{"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/media?parent=1717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/categories?post=1717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/racov.ro\/index.php\/wp-json\/wp\/v2\/tags?post=1717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}