{"product_id":"yahboom-hc-sr04-sensor","title":"Yahboom HC-SR04 Ultrasonic Module 5V 2-400cm 4-Pin XH2.54 TTL Distance Sensor for Robotics","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Yahboom HC-SR04 ultrasonic module is a professional ultrasonic ranging module with four vertical pins, designed for distance measurement by programming. It can be plugged directly into various development boards or a smart car chassis without additional cables, and provides stable, accurate data output.\u003c\/p\u003e\u003cp style=\"text-align: center;\"\u003e\u003ciframe height=\"420\" src=\"https:\/\/www.youtube.com\/embed\/wyMQ7PfNATc\" title=\"Yahboom HC-SR04 Ultrasonic module\" width=\"600\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh precision and small blind zone\u003c\/li\u003e\n\u003cli\u003eFast feedback\u003c\/li\u003e\n\u003cli\u003e4-pin XH2.54 pin header interface\u003c\/li\u003e\n\u003cli\u003eSupports direct insertion into XH2.54 female chassis and direct soldering use\u003c\/li\u003e\n\u003cli\u003eTTL trigger\/echo interface (VCC, TRIG, ECHO, GND)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHC-SR04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection distance\u003c\/td\u003e\n\u003ctd\u003e2 - 400cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking voltage\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-precision\u003c\/td\u003e\n\u003ctd\u003eUp to 0.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking current\u003c\/td\u003e\n\u003ctd\u003e15mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuiescent working current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;2mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking frequency\u003c\/td\u003e\n\u003ctd\u003e40KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDead zone\u003c\/td\u003e\n\u003ctd\u003e2cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensing Angle\u003c\/td\u003e\n\u003ctd\u003eNot more than 15°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin sequence\u003c\/td\u003e\n\u003ctd\u003eVCC, Trig. (Control terminal), Echo (Receiving end), GND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput trigger signal\u003c\/td\u003e\n\u003ctd\u003e10us TTL pulse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput echo signal\u003c\/td\u003e\n\u003ctd\u003eOutput TTL level signal, proportional to range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevel output\u003c\/td\u003e\n\u003ctd\u003eTTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e2CM-4CM (Peak value)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (unit: mm)\u003c\/td\u003e\n\u003ctd\u003e45 x 20; height 19; thickness 1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWorking Principle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse IO to trigger ranging and give a high-level signal of at least 10us.\u003c\/li\u003e\n\u003cli\u003eThe module automatically sends 8 square waves of 40khz, and automatically detects whether there is a signal return.\u003c\/li\u003e\n\u003cli\u003eIf there is a signal return, a high level is output through the IO; the duration of the high level is the time from the ultrasonic wave to its return.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTest distance = (high level time * sound speed(340M\/S)) \/ 2\u003c\/p\u003e\u003ch3\u003eUltrasonic timing diagram notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCH1: 10 microsecond high-level transmit signal\u003c\/li\u003e\n\u003cli\u003eCH2: received return signal\u003c\/li\u003e\n\u003cli\u003eThe echo level output is proportional to the detection distance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInterface (Pinout)\u003c\/h2\u003e\u003cp\u003eVCC, Trig. (Control terminal), Echo (Receiving end), GND\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The module should be plugged on the circuit board before powering on to avoid high-level malfunctions. If it happens, power on again to solve it.\u003c\/p\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUltrasonic module\u003c\/li\u003e\n\u003cli\u003eDuPont line 10PIN (for free)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDeveloping board experiments\u003c\/li\u003e\n\u003cli\u003eSmart car \/ robotics distance ranging\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eManuals\u003c\/h2\u003e\u003cp\u003eReference materials and code are provided. Tutorial link (official): \u003ca href=\"http:\/\/www.yahboom.net\/study\/ultrasonic\" rel=\"noopener\" target=\"_blank\"\u003ehttp:\/\/www.yahboom.net\/study\/ultrasonic\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eFor product support or order assistance, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Yahboom HC-SR04 ultrasonic distance sensor module with 4-pin XH2.54 header and dual transducers\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module.jpg?v=1782208133\"\u003e\u003cp\u003eAccurate 5V ultrasonic ranging for robotics and DIY projects, with a compact board and 4-pin TTL interface.\u003c\/p\u003e\n\u003cimg alt=\"HC-SR04 ultrasonic module installed on a smart car chassis for obstacle distance measurement\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module_651a4229-bbdf-4edb-acd5-d4ec37bb57d3.jpg?v=1782208143\"\u003e\u003cp\u003eIdeal for smart cars and development-board experiments where reliable obstacle detection is needed.\u003c\/p\u003e\n\u003cimg alt=\"Close-up of HC-SR04 board showing 4-pin XH2.54 header for plug-in mounting or direct soldering\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module_826907dc-bad2-4ed4-89ab-7e17446985bd.jpg?v=1782208154\"\u003e\u003cp\u003eThe vertical XH2.54 4-pin header plugs into compatible sockets or can be soldered for a solid build.\u003c\/p\u003e\n\u003cimg alt=\"Ultrasonic timing scope screenshots illustrating trigger pulse and echo output proportional to distance\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module_cacc6b6a-67ee-4222-ba96-7e19fbfa4130.jpg?v=1782208166\"\u003e\u003cimg alt=\"HC-SR04 pinout labeled VCC, TRIG, ECHO, GND for TTL trigger\/echo distance sensing connections\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module_544f2599-4dec-48e1-b609-af58b5df0690.jpg?v=1782208176\"\u003e\u003cp\u003eWiring stays simple with VCC, TRIG, ECHO, and GND clearly mapped for common microcontroller I\/O.\u003c\/p\u003e\n\u003cimg alt=\"Robotics application examples using the ultrasonic module on different two-wheel smart car platforms\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module_e4d2a712-d6fb-42d4-9687-89b814f81872.jpg?v=1782208186\"\u003e\u003cp\u003eWorks neatly on small robot platforms for front-facing distance sensing and obstacle avoidance.\u003c\/p\u003e\n\u003cimg alt=\"Tutorial and datasheet download icons for ultrasonic module, including Arduino and STM32 guides\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module_1874b438-a942-4489-b066-965be1fd5366.jpg?v=1782208197\"\u003e\u003cimg alt=\"MSPM0G3507 microcontroller routine resources for ultrasonic ranging, with code and wiring files\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module_55401b47-3a61-46e8-9942-716c8abe13af.jpg?v=1782208207\"\u003e\u003cimg alt=\"Front and back live views of HC-SR04 ultrasonic sensor board, including components and 4-pin header\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module_d5ebe83f-672a-41d0-b735-7263b453358d.jpg?v=1782208217\"\u003e\u003cp\u003eGet a clear view of both sides of the PCB for easier integration into tight enclosures or chassis mounts.\u003c\/p\u003e\n\u003cimg alt=\"HC-SR04 product parameters with dimensions and key specs including 2–400 cm range and 5V power\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module_2a4390fa-e3f9-468b-841c-6f5002455156.jpg?v=1782208228\"\u003e\u003cp\u003eDimensions and core specifications help confirm fit and performance before adding it to a robotics build.\u003c\/p\u003e\n\u003cimg alt=\"Package contents: HC-SR04 ultrasonic module plus free 10-pin DuPont jumper wire bundle\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-HC-SR04-Ultrasonic-module_d7b42395-3f30-4815-bcfd-10dd02d132d1.jpg?v=1782208237\"\u003e\u003cp\u003eIncludes the ultrasonic module and a free 10-pin DuPont jumper cable set for quick prototyping.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"yahboom","offers":[{"title":"Default Title","offer_id":53137569382624,"sku":"6000300123\/6000300060-1","price":7.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/HCSR04-Ultrasonic-module01-_1.jpg?v=1782137068","url":"https:\/\/rcdrone.top\/products\/yahboom-hc-sr04-sensor","provider":"RCDrone","version":"1.0","type":"link"}