{"id":17910,"date":"2025-03-20T00:17:09","date_gmt":"2025-03-20T00:17:09","guid":{"rendered":"https:\/\/edukeytech.com\/?post_type=product&p=17910"},"modified":"2026-04-15T05:16:20","modified_gmt":"2026-04-15T05:16:20","slug":"buzzer-passif","status":"publish","type":"product","link":"https:\/\/edukeytech.com\/en\/product\/buzzer-passif\/","title":{"rendered":"Buzzer passif"},"content":{"rendered":"

Description d\u2019un Buzzer Passif<\/strong><\/h3>\n
\n

Un buzzer passif<\/strong> est un composant \u00e9lectronique capable de produire du son lorsqu’il est aliment\u00e9 par un signal de fr\u00e9quence variable. Contrairement \u00e0 un buzzer actif<\/strong>, qui int\u00e8gre un oscillateur interne et \u00e9met un son lorsqu\u2019il est simplement aliment\u00e9, le buzzer passif n\u00e9cessite un signal externe (g\u00e9n\u00e9ralement un signal PWM \u2013 modulation de largeur d\u2019impulsion<\/strong>) pour g\u00e9n\u00e9rer une tonalit\u00e9.<\/h4>\n

Caract\u00e9ristiques principales :<\/strong><\/h4>\n

\ud83d\udd39 Alimentation<\/strong> : Fonctionne g\u00e9n\u00e9ralement entre 3.3V et 5V<\/strong> .
\ud83d\udd39 Signal requis<\/strong> : Doit \u00eatre pilot\u00e9 par un microcontr\u00f4leur (ex. Arduino, ESP32) pour produire un son.
\ud83d\udd39 Fr\u00e9quence ajustable<\/strong> : Permet de g\u00e9n\u00e9rer diff\u00e9rentes notes musicales et sons vari\u00e9s.
\ud83d\udd39 Consommation faible<\/strong> : Adapt\u00e9 aux projets \u00e0 faible consommation d\u2019\u00e9nergie.
\ud83d\udd39 Utilisation<\/strong> : Alarmes, m\u00e9lodies, notifications sonores dans les syst\u00e8mes embarqu\u00e9s.<\/h4>\n

Diff\u00e9rence avec un buzzer actif :<\/strong><\/h4>\n
    \n
  • \n

    Buzzer actif<\/strong> : G\u00e9n\u00e8re un son fixe lorsqu’il est aliment\u00e9 en courant continu (ON\/OFF<\/strong> uniquement).<\/h4>\n<\/li>\n
  • \n

    Buzzer passif<\/strong> : N\u00e9cessite un signal de commande pour moduler la fr\u00e9quence et produire diff\u00e9rents sons.<\/h4>\n<\/li>\n<\/ul>\n

    Exemple d’utilisation avec Arduino :<\/strong><\/h3>\n

    Voici un simple code pour g\u00e9n\u00e9rer un son avec un buzzer passif<\/strong> :<\/h4>\n
    \n
    C++<\/div>\n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    #define<\/span><\/span> BUZZER_PIN 9 \/\/ Broche de connexion du buzzer<\/span>
    \n<\/code><\/div>\n
    void<\/span><\/span> setup<\/span>()<\/span> {<\/code><\/div>\n
    pinMode<\/span>(BUZZER_PIN, OUTPUT);<\/code><\/div>\n
    }
    \n<\/code><\/div>\n
    void<\/span><\/span> loop<\/span>()<\/span> {<\/code><\/div>\n
    tone<\/span>(BUZZER_PIN, 1000<\/span>); \/\/ \u00c9met un son de 1000 Hz<\/span>
    \n<\/code><\/div>\n
    delay<\/span>(500<\/span>); \/\/ Attendre 500ms<\/span>
    \n<\/code><\/div>\n
    noTone<\/span>(BUZZER_PIN); \/\/ Arr\u00eater le son<\/span><\/code><\/div>\n

    \ndelay<\/span>(500<\/span>); \/\/ Attendre 500ms<\/span><\/code><\/div>\n

    \n}
    \n<\/code><\/div>\n<\/div>\n

    Ce code fait \u00ab\u00a0biper\u00a0\u00bb le buzzer toutes les 500 ms \u00e0 une fr\u00e9quence de 1000 Hz.<\/h4>\n

    Le buzzer passif<\/strong> est donc un excellent choix pour les projets n\u00e9cessitant un contr\u00f4le pr\u00e9cis du son, comme la musique, les avertissements sonores et les jeux interactifs.<\/h4>","protected":false},"excerpt":{"rendered":"

    Un buzzer passif<\/strong> est un composant \u00e9lectronique capable de produire du son lorsqu’il est aliment\u00e9 par un signal de fr\u00e9quence variable.<\/h4>","protected":false},"featured_media":17947,"comment_status":"open","ping_status":"closed","template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[80,162],"product_tag":[],"class_list":{"0":"post-17910","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-module-ou-capteur","7":"product_cat-modules","9":"first","10":"instock","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product\/17910","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/comments?post=17910"}],"version-history":[{"count":2,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product\/17910\/revisions"}],"predecessor-version":[{"id":17914,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product\/17910\/revisions\/17914"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/media\/17947"}],"wp:attachment":[{"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/media?parent=17910"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product_brand?post=17910"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product_cat?post=17910"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product_tag?post=17910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}