{"id":112,"date":"2026-04-16T19:46:18","date_gmt":"2026-04-16T19:46:18","guid":{"rendered":"http:\/\/localhost\/projectbd\/?post_type=product&p=112"},"modified":"2026-04-16T19:51:11","modified_gmt":"2026-04-16T19:51:11","slug":"ultrasonic-sonar-sensor-hc-sr04-for-precise-distance-measurement-in-arduino-and-diy-electronics-projects","status":"publish","type":"product","link":"https:\/\/projectbd.store\/index.php\/product\/ultrasonic-sonar-sensor-hc-sr04-for-precise-distance-measurement-in-arduino-and-diy-electronics-projects\/","title":{"rendered":"Ultrasonic Sonar Sensor HC-SR04 for Precise Distance Measurement in Arduino and DIY Electronics Projects"},"content":{"rendered":"

The HC-SR04 Ultrasonic Sonar Sensor is a highly reliable and accurate module designed to measure distances using ultrasonic sound waves. This sensor is widely used in Arduino and other microcontroller-based projects, offering non-contact measurement capabilities. With a detection range of 2cm to 400cm and millimeter-level precision, it is ideal for applications like obstacle avoidance, robotics, and object detection. Its straightforward interface and low power consumption make it a favorite among DIY enthusiasts and professionals alike.<\/p>\n

<\/h3>\n

Specifications<\/strong><\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/strong><\/th>\nDetails<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Operating Voltage<\/strong><\/td>\n5V DC<\/td>\n<\/tr>\n
Working Current<\/strong><\/td>\n15mA<\/td>\n<\/tr>\n
Measuring Range<\/strong><\/td>\n2cm – 400cm<\/td>\n<\/tr>\n
Accuracy<\/strong><\/td>\n\u00b13mm<\/td>\n<\/tr>\n
Sensor Type<\/strong><\/td>\nUltrasonic<\/td>\n<\/tr>\n
Operating Frequency<\/strong><\/td>\n40kHz<\/td>\n<\/tr>\n
Trigger Input Signal<\/strong><\/td>\n10\u00b5s TTL pulse<\/td>\n<\/tr>\n
Echo Output Signal<\/strong><\/td>\nTTL pulse proportional to distance<\/td>\n<\/tr>\n
Dimensions<\/strong><\/td>\n~45mm x 20mm x 15mm<\/td>\n<\/tr>\n
Weight<\/strong><\/td>\n~10 grams<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

 <\/p>\n

Key Features:<\/strong><\/p>\n

    \n
  • High Precision:<\/strong>\u00a0Accurate distance measurement with minimal error.<\/li>\n
  • Wide Measuring Range:<\/strong>\u00a0Suitable for both short and long-distance applications.<\/li>\n
  • Non-contact Measurement:<\/strong>\u00a0Ensures safety and durability in use.<\/li>\n
  • Simple Interface:<\/strong>\u00a04-pin configuration (VCC, GND, Trigger, Echo) for easy integration.<\/li>\n
  • Low Power Consumption:<\/strong>\u00a0Suitable for battery-operated systems.<\/li>\n<\/ul>\n

     <\/p>\n

    Applications:<\/strong><\/p>\n

      \n
    • Obstacle detection and avoidance in robotics.<\/li>\n
    • Distance measurement in smart parking systems.<\/li>\n
    • Liquid level sensing in tanks.<\/li>\n
    • Proximity sensing in automation systems.<\/li>\n
    • Object detection for IoT and smart devices.<\/li>\n<\/ul>\n

       <\/p>\n

      Usage Note:<\/strong>
      \nFor accurate readings, ensure the sensor is mounted securely and kept perpendicular to the surface being measured. Avoid placing it in areas with high noise or strong ultrasonic interference. Use appropriate libraries for Arduino to simplify the coding process.<\/p>\n","protected":false},"excerpt":{"rendered":"

      The HC-SR04 Ultrasonic Sonar Sensor is a highly reliable and accurate module designed to measure distances using ultrasonic sound waves. […]<\/p>\n","protected":false},"featured_media":113,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[20],"product_tag":[],"class_list":["post-112","product","type-product","status-publish","has-post-thumbnail","product_cat-sensors","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/product\/112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/comments?post=112"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/media\/113"}],"wp:attachment":[{"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/media?parent=112"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/product_brand?post=112"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/product_cat?post=112"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/product_tag?post=112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}