{"id":159,"date":"2025-11-12T07:19:09","date_gmt":"2025-11-12T07:19:09","guid":{"rendered":"https:\/\/hamtechtechnologies.com\/?post_type=product&#038;p=159"},"modified":"2025-11-12T07:19:09","modified_gmt":"2025-11-12T07:19:09","slug":"sw-420-vibration-sensor","status":"publish","type":"product","link":"https:\/\/hamtechtechnologies.com\/index.php\/product\/sw-420-vibration-sensor\/","title":{"rendered":"SW-420 Vibration Sensor"},"content":{"rendered":"<p data-start=\"490\" data-end=\"760\">The <strong data-start=\"494\" data-end=\"528\">SW-420 Vibration Sensor Module<\/strong> is a reliable and easy-to-use vibration detection unit that uses an <strong data-start=\"597\" data-end=\"624\">SW-420 vibration switch<\/strong> and an <strong data-start=\"632\" data-end=\"660\">LM393 voltage comparator<\/strong> to detect motion or shocks. It outputs a digital signal (HIGH or LOW) when vibration is detected.<\/p>\n<p data-start=\"762\" data-end=\"1037\">The onboard <strong data-start=\"774\" data-end=\"805\">10K\u03a9 potentiometer (preset)<\/strong> allows you to adjust the vibration sensitivity threshold. The <strong data-start=\"868\" data-end=\"888\">LM393 comparator<\/strong> compares the voltage from the vibration sensor and the preset reference voltage, triggering a digital output when vibration exceeds the threshold.<\/p>\n<p data-start=\"1039\" data-end=\"1322\">This module operates on <strong data-start=\"1063\" data-end=\"1077\">3.3V to 5V<\/strong>, making it compatible with <strong data-start=\"1105\" data-end=\"1165\">Arduino, ESP32, Raspberry Pi, and other microcontrollers<\/strong>. It includes onboard <strong data-start=\"1187\" data-end=\"1205\">LED indicators<\/strong> for power and signal output, plus a <strong data-start=\"1242\" data-end=\"1259\">mounting hole<\/strong> for easy installation in various enclosures or control panels.<\/p>\n<hr data-start=\"1324\" data-end=\"1327\" \/>\n<h2 data-start=\"1329\" data-end=\"1351\"><strong data-start=\"1334\" data-end=\"1351\">Key Features:<\/strong><\/h2>\n<ul data-start=\"1352\" data-end=\"1684\">\n<li data-start=\"1352\" data-end=\"1388\">\n<p data-start=\"1354\" data-end=\"1388\">Operating Voltage: <strong data-start=\"1373\" data-end=\"1386\">3.3V \u2013 5V<\/strong><\/p>\n<\/li>\n<li data-start=\"1389\" data-end=\"1426\">\n<p data-start=\"1391\" data-end=\"1426\">Output Type: <strong data-start=\"1404\" data-end=\"1424\">Digital (0 or 1)<\/strong><\/p>\n<\/li>\n<li data-start=\"1427\" data-end=\"1481\">\n<p data-start=\"1429\" data-end=\"1481\">Adjustable sensitivity using onboard potentiometer<\/p>\n<\/li>\n<li data-start=\"1482\" data-end=\"1537\">\n<p data-start=\"1484\" data-end=\"1537\"><strong data-start=\"1484\" data-end=\"1517\">LM393 wide voltage comparator<\/strong> for stable output<\/p>\n<\/li>\n<li data-start=\"1538\" data-end=\"1573\">\n<p data-start=\"1540\" data-end=\"1573\">Power and signal indicator LEDs<\/p>\n<\/li>\n<li data-start=\"1574\" data-end=\"1606\">\n<p data-start=\"1576\" data-end=\"1606\"><strong data-start=\"1576\" data-end=\"1598\">Operating Current:<\/strong> ~15mA<\/p>\n<\/li>\n<li data-start=\"1607\" data-end=\"1640\">\n<p data-start=\"1609\" data-end=\"1640\"><strong data-start=\"1609\" data-end=\"1622\">PCB Size:<\/strong> 3.2 cm x 1.4 cm<\/p>\n<\/li>\n<li data-start=\"1641\" data-end=\"1684\">\n<p data-start=\"1643\" data-end=\"1684\"><strong data-start=\"1643\" data-end=\"1660\">Mounting Hole<\/strong> for easy installation<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1686\" data-end=\"1689\" \/>\n<h2 data-start=\"1691\" data-end=\"1713\"><strong data-start=\"1696\" data-end=\"1713\">Applications:<\/strong><\/h2>\n<ul data-start=\"1714\" data-end=\"1902\">\n<li data-start=\"1714\" data-end=\"1758\">\n<p data-start=\"1716\" data-end=\"1758\">Security and vibration detection systems<\/p>\n<\/li>\n<li data-start=\"1759\" data-end=\"1800\">\n<p data-start=\"1761\" data-end=\"1800\">Earthquake or motion sensing projects<\/p>\n<\/li>\n<li data-start=\"1801\" data-end=\"1824\">\n<p data-start=\"1803\" data-end=\"1824\">Smart alarm systems<\/p>\n<\/li>\n<li data-start=\"1825\" data-end=\"1855\">\n<p data-start=\"1827\" data-end=\"1855\">Motor vibration monitoring<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A digital vibration detection module based on the SW-420 sensor and LM393 comparator, ideal for detecting shocks, vibrations, and movement in security and automation systems.<\/p>\n","protected":false},"featured_media":160,"comment_status":"open","ping_status":"closed","template":"","meta":{"postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""}},"product_brand":[],"product_cat":[48],"product_tag":[55,56,52,51,53,54,50,49],"class_list":{"0":"post-159","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-vibration-motion-sensors","7":"product_tag-arduino-sensor","8":"product_tag-iot-sensor","9":"product_tag-lm393-comparator","10":"product_tag-motion-detection","11":"product_tag-security-sensor","12":"product_tag-shock-detector","13":"product_tag-sw-420","14":"product_tag-vibration-sensor","16":"first","17":"instock","18":"taxable","19":"shipping-taxable","20":"purchasable","21":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/product\/159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/comments?post=159"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/media\/160"}],"wp:attachment":[{"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/media?parent=159"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=159"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=159"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hamtechtechnologies.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}