{"id":17069,"date":"2025-02-26T20:13:16","date_gmt":"2025-02-26T20:13:16","guid":{"rendered":"https:\/\/edukeytech.com\/?post_type=product&#038;p=17069"},"modified":"2025-02-26T20:13:17","modified_gmt":"2025-02-26T20:13:17","slug":"piezoelectrique-buzzer","status":"publish","type":"product","link":"https:\/\/edukeytech.com\/en\/product\/piezoelectrique-buzzer\/","title":{"rendered":"Pi\u00e9zo\u00e9lectrique  Buzzer"},"content":{"rendered":"<p><strong>Pi\u00e9zo\u00e9lectrique Buzzer<\/strong><\/p>\n<p>Les buzzers pi\u00e9zo\u00e9lectriques sont des transducteurs sonores largement utilis\u00e9s dans les syst\u00e8mes \u00e9lectroniques pour la g\u00e9n\u00e9ration de signaux acoustiques. Disponibles en plusieurs diam\u00e8tres standard, notamment 15 mm, 20 mm, 35 mm et 50 mm, ils exploitent la propri\u00e9t\u00e9 pi\u00e9zo\u00e9lectrique de la c\u00e9ramique pour convertir une excitation \u00e9lectrique en vibrations m\u00e9caniques, produisant ainsi un son. L\u2019application d\u2019une tension alternative entra\u00eene la d\u00e9formation du mat\u00e9riau pi\u00e9zo\u00e9lectrique, g\u00e9n\u00e9rant une onde sonore dont la fr\u00e9quence d\u00e9pend du signal d\u2019entr\u00e9e.<\/p>\n<p><strong>Caract\u00e9ristiques en d\u00e9tail<\/strong><\/p>\n<ul>\n<li><strong>Diam\u00e8tre<\/strong>\u00a0:\n<ul>\n<li><strong>15mm<\/strong>\u00a0:\n<ul>\n<li>Fr\u00e9quence de r\u00e9sonance : 4.1 kHz<\/li>\n<li>Imp\u00e9dance : 1000 Ohms<\/li>\n<li>Capacit\u00e9 : 8000pF @ 1kHz<\/li>\n<li>Temp\u00e9rature de fonctionnement : -20\u00b0C \u00e0 60\u00b0C<\/li>\n<\/ul>\n<\/li>\n<li><strong>20mm<\/strong>\u00a0:\n<ul>\n<li>Fr\u00e9quence de r\u00e9sonance : 6.5 kHz<\/li>\n<li>Imp\u00e9dance : 350 Ohms<\/li>\n<li>Capacit\u00e9 : 13000pF @ 120Hz<\/li>\n<li>Temp\u00e9rature de fonctionnement : -20\u00b0C \u00e0 70\u00b0C<\/li>\n<\/ul>\n<\/li>\n<li><strong>35mm<\/strong>\u00a0:\n<ul>\n<li>Fr\u00e9quence de r\u00e9sonance : 2.8 kHz<\/li>\n<li>Imp\u00e9dance : 300 Ohms<\/li>\n<li>Capacit\u00e9 : 30000pF @ 100Hz<\/li>\n<li>Temp\u00e9rature de fonctionnement : -20\u00b0C \u00e0 60\u00b0C<\/li>\n<\/ul>\n<\/li>\n<li><strong>50mm<\/strong>\u00a0:\n<ul>\n<li>Fr\u00e9quence de r\u00e9sonance : 2.6 kHz<\/li>\n<li>Imp\u00e9dance : 300 Ohms<\/li>\n<li>Capacit\u00e9 : 40000pF @ 100Hz<\/li>\n<li>Temp\u00e9rature de fonctionnement : -20\u00b0C \u00e0 60\u00b0C<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Principe de Fonctionnement du Buzzer Pi\u00e9zo\u00e9lectrique<\/strong><\/p>\n<p>Le buzzer pi\u00e9zo\u00e9lectrique convertit une tension \u00e9lectrique en vibrations m\u00e9caniques gr\u00e2ce \u00e0 son \u00e9l\u00e9ment en c\u00e9ramique pi\u00e9zo\u00e9lectrique, g\u00e9n\u00e9rant ainsi un signal sonore. En appliquant un signal alternatif ou un signal PWM (modulation de largeur d\u2019impulsion), il est possible de moduler la fr\u00e9quence et l\u2019amplitude du son produit, permettant ainsi d\u2019\u00e9mettre des tonalit\u00e9s vari\u00e9es en fonction des besoins de l\u2019application.<\/p>\n<p><strong>Avantages du Buzzer Pi\u00e9zo\u00e9lectrique<\/strong><\/p>\n<p>\u2705 <strong>Faible consommation d\u2019\u00e9nergie<\/strong> (id\u00e9ale pour les circuits basse consommation)<br \/>\n\u2705 <strong>R\u00e9ponse rapide<\/strong> (\u00e9mission sonore imm\u00e9diate d\u00e8s l\u2019application du signal)<br \/>\n\u2705 <strong>Durabilit\u00e9 \u00e9lev\u00e9e<\/strong> (sans pi\u00e8ces mobiles sujettes \u00e0 l\u2019usure)<br \/>\n\u2705 <strong>Large plage de fr\u00e9quences<\/strong> (permettant la g\u00e9n\u00e9ration de diff\u00e9rents sons)<\/p>\n<p>Gr\u00e2ce \u00e0 sa <strong>simplicit\u00e9 d\u2019utilisation et sa compatibilit\u00e9 avec Arduino<\/strong>, le <strong>buzzer pi\u00e9zo\u00e9lectrique<\/strong> est un composant essentiel pour la conception de syst\u00e8mes embarqu\u00e9s n\u00e9cessitant une signalisation sonore fiable et efficace.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Pi\u00e9zo\u00e9lectrique Buzzer Les buzzers pi\u00e9zo\u00e9lectriques sont des transducteurs sonores largement utilis\u00e9s dans les syst\u00e8mes \u00e9lectroniques pour la g\u00e9n\u00e9ration de signaux<\/p>","protected":false},"featured_media":17072,"comment_status":"open","ping_status":"closed","template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[161],"product_tag":[],"class_list":{"0":"post-17069","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-capteurs","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product\/17069","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=17069"}],"version-history":[{"count":1,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product\/17069\/revisions"}],"predecessor-version":[{"id":17075,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product\/17069\/revisions\/17075"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/media\/17072"}],"wp:attachment":[{"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/media?parent=17069"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product_brand?post=17069"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product_cat?post=17069"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product_tag?post=17069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}