{"id":17336,"date":"2025-03-01T22:57:00","date_gmt":"2025-03-01T22:57:00","guid":{"rendered":"https:\/\/edukeytech.com\/?post_type=product&#038;p=17336"},"modified":"2026-02-06T09:45:56","modified_gmt":"2026-02-06T09:45:56","slug":"ky-024-module-capteur-magnetique-a-effet-hall","status":"publish","type":"product","link":"https:\/\/edukeytech.com\/en\/product\/ky-024-module-capteur-magnetique-a-effet-hall\/","title":{"rendered":"KY-024 Module Capteur Magn\u00e9tique \u00e0 Effet Hall"},"content":{"rendered":"<p><strong>Le capteur magn\u00e9tique \u00e0 effet Hall KY-024 est un module polyvalent permettant la d\u00e9tection des champs magn\u00e9tiques avec une grande pr\u00e9cision. Il est bas\u00e9 sur un capteur Hall lin\u00e9aire 49E et est con\u00e7u pour fournir des sorties analogiques et num\u00e9riques, ce qui le rend id\u00e9al pour une large gamme d&rsquo;applications, notamment en robotique, domotique, automatisation industrielle et recherche scientifique.<\/strong><\/p>\n<p><strong>Ce module int\u00e8gre un comparateur LM393, un potentiom\u00e8tre d&rsquo;ajustement du seuil de d\u00e9tection, ainsi que des LED d&rsquo;indication pour visualiser l&rsquo;\u00e9tat du signal de sortie.<\/strong><\/p>\n<p><strong>Caract\u00e9ristiques Techniques<\/strong><\/p>\n<ul>\n<li><strong>Tension d&rsquo;alimentation : 3V \u00e0 5V DC<\/strong><\/li>\n<li><strong>Plage de d\u00e9tection du champ magn\u00e9tique : \u00b12mT (milliteslas)<\/strong><\/li>\n<li><strong>Temp\u00e9rature de fonctionnement : -40\u00b0C \u00e0 +85\u00b0C<\/strong><\/li>\n<li><strong>Sensibilit\u00e9 du capteur Hall 49E :<\/strong>\n<ul>\n<li><strong>Min. : 1.0 mV\/G<\/strong><\/li>\n<li><strong>Typ. : 1.4 mV\/G<\/strong><\/li>\n<li><strong>Max. : 1.75 mV\/G<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Dimensions : 45mm x 15mm x 14mm<\/strong><\/li>\n<li><strong>Poids : 1g<\/strong><\/li>\n<li><strong>Composants principaux :<\/strong>\n<ul>\n<li><strong>Capteur Hall lin\u00e9aire 49E<\/strong><\/li>\n<li><strong>Comparateur LM393<\/strong><\/li>\n<li><strong>Potentiom\u00e8tre de r\u00e9glage<\/strong><\/li>\n<li><strong>LED d&rsquo;indication<\/strong><\/li>\n<li><strong>R\u00e9sistances et condensateurs de filtrage<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Principe de Fonctionnement<\/strong><\/p>\n<p><strong>Le capteur KY-024 repose sur l&rsquo;effet Hall, un ph\u00e9nom\u00e8ne physique permettant de mesurer un champ magn\u00e9tique en convertissant la variation du champ en tension \u00e9lectrique.<\/strong><\/p>\n<ol>\n<li><strong>Sortie analogique (A0) : La tension de sortie est proportionnelle \u00e0 l&rsquo;intensit\u00e9 du champ magn\u00e9tique. Cette valeur permet d&rsquo;effectuer des mesures pr\u00e9cises du champ magn\u00e9tique.<\/strong><\/li>\n<li><strong>Sortie num\u00e9rique (D0) : Lorsque le champ magn\u00e9tique atteint un seuil d\u00e9fini, le comparateur LM393 bascule la sortie num\u00e9rique de LOW \u00e0 HIGH. Ce seuil peut \u00eatre ajust\u00e9 via le potentiom\u00e8tre.<\/strong><\/li>\n<li><strong>LED d&rsquo;indication : Une LED s&rsquo;allume pour signaler l&rsquo;\u00e9tat de la sortie num\u00e9rique, facilitant ainsi le diagnostic.<\/strong><\/li>\n<\/ol>\n<p><strong>Applications<\/strong><\/p>\n<p><strong>Le capteur KY-024 est adapt\u00e9 \u00e0 de nombreuses applications, notamment : <\/strong><strong>\u2705<\/strong><strong> D\u00e9tection de position et de vitesse en robotique <\/strong><strong>\u2705<\/strong><strong> Syst\u00e8mes de s\u00e9curit\u00e9 et d&rsquo;anti-intrusion <\/strong><strong>\u2705<\/strong><strong> D\u00e9tection d&rsquo;objets magn\u00e9tiques en industrie <\/strong><strong>\u2705<\/strong><strong> Mesure de courant sans contact dans les circuits \u00e9lectroniques <\/strong><strong>\u2705<\/strong><strong> Cartographie des champs magn\u00e9tiques pour les laboratoires de recherche <\/strong><strong>\u2705<\/strong><strong> Syst\u00e8mes de contr\u00f4le d&rsquo;acc\u00e8s bas\u00e9s sur les aimants<\/strong><\/p>\n<p><strong>Brochage et Connexions<\/strong><\/p>\n<p><strong>Le module KY-024 dispose de quatre broches :<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>Broche<\/strong><\/td>\n<td><strong>Fonction<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>VCC<\/strong><\/td>\n<td><strong>Alimentation (3V &#8211; 5V)<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>GND<\/strong><\/td>\n<td><strong>Masse<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>A0<\/strong><\/td>\n<td><strong>Sortie analogique (tension proportionnelle au champ magn\u00e9tique)<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>D0<\/strong><\/td>\n<td><strong>Sortie num\u00e9rique (HIGH\/LOW selon le seuil d\u00e9fini)<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Utilisation avec Arduino<\/strong><\/p>\n<p><strong>C\u00e2blage avec un Arduino Uno<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>KY-024<\/strong><\/td>\n<td><strong>Arduino Uno<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>VCC<\/strong><\/td>\n<td><strong>5V<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>GND<\/strong><\/td>\n<td><strong>GND<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>A0<\/strong><\/td>\n<td><strong>A0 (Lecture analogique)<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>D0<\/strong><\/td>\n<td><strong>D3 (Lecture num\u00e9rique)<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Exemple de Code Arduino (Basique)<\/strong><\/p>\n<p><strong>const int led = 13;<\/strong><\/p>\n<p><strong>const int digitalPin = 3;<\/strong><\/p>\n<p><strong>const int analogPin = A0;<\/strong><\/p>\n<p><strong>int digitalVal;<\/strong><\/p>\n<p><strong>int analogVal;<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>void setup() {<\/strong><\/p>\n<p><strong>\u00a0 pinMode(led, OUTPUT);<\/strong><\/p>\n<p><strong>\u00a0 pinMode(digitalPin, INPUT);<\/strong><\/p>\n<p><strong>\u00a0 Serial.begin(9600);<\/strong><\/p>\n<p><strong>}<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>void loop() {<\/strong><\/p>\n<p><strong>\u00a0 digitalVal = digitalRead(digitalPin);<\/strong><\/p>\n<p><strong>\u00a0 digitalWrite(led, digitalVal);<\/strong><\/p>\n<p><strong>\u00a0 <\/strong><\/p>\n<p><strong>\u00a0 analogVal = analogRead(analogPin);<\/strong><\/p>\n<p><strong>\u00a0 <\/strong><strong>Serial.println(analogVal);<\/strong><\/p>\n<p><strong>\u00a0 delay(100);<\/strong><\/p>\n<p><strong>}<\/strong><\/p>\n<p><strong>But du code :<\/strong><\/p>\n<ul>\n<li><strong>Lire la valeur analogique du champ magn\u00e9tique.<\/strong><\/li>\n<li><strong>Lire la sortie num\u00e9rique et allumer la LED lorsque le seuil est atteint.<\/strong><\/li>\n<li><strong>Afficher les valeurs dans le moniteur s\u00e9rie.<\/strong><\/li>\n<\/ul>\n<p><strong>Exemple de Code avec Affichage LCD I2C<\/strong><\/p>\n<p><strong>#include &lt;Wire.h&gt;<\/strong><\/p>\n<p><strong>#include &lt;LiquidCrystal_I2C.h&gt;<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>LiquidCrystal_I2C lcd(0x27, 16, 2);<\/strong><\/p>\n<p><strong>const int led = 13;<\/strong><\/p>\n<p><strong>const int digitalPin = 3;<\/strong><\/p>\n<p><strong>const int analogPin = A0;<\/strong><\/p>\n<p><strong>int digitalVal;<\/strong><\/p>\n<p><strong>int analogVal;<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>void setup() {<\/strong><\/p>\n<p><strong>\u00a0 lcd.begin();<\/strong><\/p>\n<p><strong>\u00a0 lcd.backlight();<\/strong><\/p>\n<p><strong>\u00a0 pinMode(led, OUTPUT);<\/strong><\/p>\n<p><strong>\u00a0 pinMode(digitalPin, INPUT);<\/strong><\/p>\n<p><strong>\u00a0 Serial.begin(9600);<\/strong><\/p>\n<p><strong>}<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>void loop() {<\/strong><\/p>\n<p><strong>\u00a0 digitalVal = digitalRead(digitalPin);<\/strong><\/p>\n<p><strong>\u00a0 digitalWrite(led, digitalVal);<\/strong><\/p>\n<p><strong>\u00a0 lcd.setCursor(0, 0);<\/strong><\/p>\n<p><strong>\u00a0 lcd.print(\u00ab\u00a0Magnetic: \u00ab\u00a0);<\/strong><\/p>\n<p><strong>\u00a0 lcd.print(digitalVal ? \u00ab\u00a0YES\u00a0\u00bb : \u00ab\u00a0NO \u00ab\u00a0);<\/strong><\/p>\n<p><strong>\u00a0 <\/strong><\/p>\n<p><strong>\u00a0 analogVal = analogRead(analogPin);<\/strong><\/p>\n<p><strong>\u00a0 lcd.setCursor(0, 1);<\/strong><\/p>\n<p><strong>\u00a0 lcd.print(\u00ab\u00a0Analog: \u00ab\u00a0);<\/strong><\/p>\n<p><strong>\u00a0 lcd.print(analogVal);<\/strong><\/p>\n<p><strong>\u00a0 <\/strong><strong>delay(100);<\/strong><\/p>\n<p><strong>}<\/strong><\/p>\n<p><strong>But du code avanc\u00e9 :<\/strong><\/p>\n<ul>\n<li><strong>Afficher l&rsquo;\u00e9tat du champ magn\u00e9tique sur un LCD 16&#215;2 I2C.<\/strong><\/li>\n<li><strong>Lire et afficher les valeurs analogiques et num\u00e9riques.<\/strong><\/li>\n<li><strong>Contr\u00f4ler une LED en fonction du seuil d\u00e9fini.<\/strong><\/li>\n<\/ul>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p><strong>Le capteur magn\u00e9tique \u00e0 effet Hall KY-024 est un module polyvalent permettant la d\u00e9tection des champs magn\u00e9tiques avec une grande pr\u00e9cision.<\/strong><\/p>","protected":false},"featured_media":17337,"comment_status":"open","ping_status":"closed","template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[161],"product_tag":[],"class_list":{"0":"post-17336","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-capteurs","8":"first","9":"instock","10":"shipping-taxable","11":"purchasable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product\/17336","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=17336"}],"version-history":[{"count":1,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product\/17336\/revisions"}],"predecessor-version":[{"id":17339,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product\/17336\/revisions\/17339"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/media\/17337"}],"wp:attachment":[{"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/media?parent=17336"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product_brand?post=17336"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product_cat?post=17336"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/edukeytech.com\/en\/wp-json\/wp\/v2\/product_tag?post=17336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}