crisstel.ro Raspberry Pi placă de dezvoltare de tip SBC Single Board Computer sistem de calcul nemodular dimensiuni reduse, aplicații utilizator, jocuri, editoare de text, medii de programare, redarea de muzică și filme, aplicații de teleconferință, aplicații Internet, NetBook, embedded, senzori, butoane, ecrane LCD sau pe 7 segmente, drivere de motoare, relee, periferice integrate,

Primii pași în utilizarea plăcii Raspberry Pi 3

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Ce este Raspberry Pi?

Raspberry Pi este o placă de dezvoltare de tip SBC (Single Board Computer) – un sistem de calcul nemodular implementat pe un singur cablaj electronic.

Chiar dacă are dimensiuni reduse (85mm x 56mm (2)), Raspberry Pi este un calculator complet permițând funcționalități obișnuite precum rularea unui sistem de operare (Linux sau Windows) și rularea de aplicații utilizator (jocuri, editoare de text, medii de programare, redarea de muzică și filme, aplicații de teleconferință, aplicații Internet).

utilizarea plăcii Raspberry Pi 3 placă dezvoltare Single Board Computer

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utilizarea plăcii Raspberry Pi 3 placă dezvoltare Single Board Computer

Diferențele între o placă Raspberry Pi și un calculator personal (PC) sau laptop constau atât în dimensiunea redusă a plăcii cât și în puterea mai mică de calcul a acesteia – nu are aceleași performanțe de calcul precum un PC desktop care are un cost și o dimensiune de câteva ori mai mari.

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Putem compara placa Raspberry Pi cu o tabletă sau cu un sistem de tip NetBook dar fără a dispune de ecran și tastatură.

sistem de operare (Linux sau Windows)

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sistem de operare (Linux sau Windows)

În plus, placa Raspberry Pi oferă posibilitatea de a conecta diverse componente electronice specifice sistemelor embedded: senzori, butoane, ecrane LCD sau pe 7 segmente, drivere de motoare, relee etc.

Posibilitatea de a personaliza sistemele de programe (sistemul de operare, aplicațiile) și posibilitatea de interconectare cu alte componente electronice fac din placa Raspberry Pi un sistem de calcul ce poate sta la baza unor proiecte personale extrem de interesante și de puternice – un calculator ce poate fi integrat în sisteme electronice și mecanice proiectate și realizate de utilizator.

În ciuda dimensiunii reduse placa Raspberry Pi 3 dispune de periferice integrate numeroase acoperind complet funcționalitatea unui sistem de calcul (audio, video, porturi USB, conectivitate de rețea) :

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  • Procesor SoC pe 64 de biți din familia ARMv8-A (5),
  • Broadcom BCM2837, ce lucrează la o frecvență de 1.2GHz și dispune de 4 nuclee de tip ARM CortexA53;
  • 1 GB de memorie RAM (folosită și ca memorie video, partajată cu procesorul grafic);
  • Procesor grafic Broadcom VideoCore IV 3D integrat pe aceiași pastilă de siliciu ca și procesorul principal;
  • Ieșire digitală video / audio HDMI;
  • Ieșire analogică video (composite video) / audio mixtă prin intermediul unei mufe jack 3.5mm;
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Conținutul acestui articol este în format PDF pus la dispoziție de specialiștii RoboFun.ro. Pentru a vizualiza apăsați butonul Preview iar pentru a descărca butonul Download.

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Primii pași în utilizarea plăcii Raspberry Pi 3

  • Ce este Raspberry Pi? Raspberry Pi este o placă de dezvoltare de tip SBC (1) (Single Board Computer) - un sistem de calcul nemodular implementat pe un singur cablaj electronic. Chiar dacă are dimensiuni reduse (85mm x 56mm (2)), Raspberry Pi este un calculator complet permițând funcționalități obișnuite precum rularea unui sistem de operare (Linux sau Windows) și rularea de aplicații utilizator (jocuri, editoare de text, medii de programare, redarea de muzică și filme, aplicații de teleconferință, aplicații Internet). Diferențele între o placă Raspberry Pi și un calculator personal (PC) sau laptop constau atât în dimensiunea redusă a plăcii cât și în puterea mai mică de calcul a acesteia – nu are aceleași performanțe de calcul precum un PC desktop care are un cost și o dimensiune de câteva ori mai mari. Putem compara placa Raspberry Pi cu o tabletă sau cu un sistem de tip NetBook dar fără a dispune de ecran și tastatură. În plus, placa Raspberry Pi oferă posibilitatea de a conecta diverse componente electronice specifice sistemelor embedded: senzori, butoane, ecrane LCD sau pe 7 segmente, drivere de motoare, relee etc. Posibilitatea de a personaliza sistemele de programe (sistemul de operare, aplicațiile) și posibilitatea de interconectare cu alte componente electronice fac din placa Raspberry Pi un sistem de calcul ce poate sta la baza unor proiecte personale extrem de interesante și de puternice – un calculator ce poate fi integrat în sisteme electronice și mecanice proiectate și realizate de utilizator. În ciuda dimensiunii reduse placa Raspberry Pi 3 dispune de periferice integrate numeroase acoperind complet funcționalitatea unui sistem de calcul (audio, video, porturi USB, conectivitate de rețea) (3): • Procesor SoC (4) pe 64 de biți din familia ARMv8-A (5), Broadcom BCM2837, ce lucrează la o frecvență de 1.2GHz și dispune de 4 nuclee de tip ARM CortexA53; • 1GB de memorie RAM (folosită și ca memorie video, partajată cu procesorul grafic); • Procesor grafic Broadcoam VideoCore IV 3D integrat pe aceiași pastilă de siliciu ca și procesorul principal; • Ieșire digitală video / audio HDMI; • Ieșire analogică video (composite video) / audio mixtă prin intermediul unei mufe jack 3.5mm;    

    Citește și:

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