{"product_id":"rcwl-1670-waterproof-ultrasonic-distance-measuring-module","title":"RCWL-1670 Waterproof Ultrasonic Distance Measuring Module","description":"\n\u003ch2\u003eRCWL-1670 Waterproof Ultrasonic Distance Measuring Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRCWL-1670\u003c\/strong\u003e is a high-performance, waterproof and dustproof ultrasonic distance measuring module designed for reliable ranging in wet, dusty, and demanding environments. Whether you're building an Arduino project, an automated liquid level monitor, or an obstacle detection system, this module delivers accurate, consistent results from \u003cstrong\u003e2 cm to 400 cm\u003c\/strong\u003e — all while drawing ultra-low standby current for battery-friendly applications.\u003c\/p\u003e\n\n\u003cp\u003eUsing a split transceiver design (separate transmitter and receiver probes), the RCWL-1670 is fully \u003cstrong\u003esoftware-compatible with the popular HC-SR04\u003c\/strong\u003e module, making it a drop-in waterproof upgrade for existing projects. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Dustproof:\u003c\/strong\u003e Sealed probes withstand moisture, splashes, and particulate environments with ease\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Ranging Distance:\u003c\/strong\u003e 2 cm minimum blind zone to 400 cm (4 m) typical maximum range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Voltage:\u003c\/strong\u003e 2.8 V – 5.5 V, compatible with 3.3 V and 5 V microcontrollers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Standby Power:\u003c\/strong\u003e Only 1.5 µA @ 3.3 V \/ 3.5 µA @ 5 V — ideal for battery-powered builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHC-SR04 Software Compatible:\u003c\/strong\u003e No new code required if you already use HC-SR04 libraries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSplit Transceiver Design:\u003c\/strong\u003e Separate transmitter and receiver probes for flexible installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Measurement Cycle:\u003c\/strong\u003e 50 ms per measurement for responsive real-time distance sensing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRCWL-1670\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.8 V – 5.5 V (typical 3 V – 5 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 µA @ 3.3 V \/ 3.5 µA @ 5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRanging Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 cm – 400 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlind Zone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Cycle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransceiver Split Ultrasonic Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoftware Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHC-SR04\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWaterproof \u0026amp; Dustproof\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWater tank and liquid level monitoring\u003c\/li\u003e\n  \u003cli\u003eOutdoor obstacle detection and avoidance\u003c\/li\u003e\n  \u003cli\u003eRobotics and autonomous vehicle projects\u003c\/li\u003e\n  \u003cli\u003eParking and proximity sensing systems\u003c\/li\u003e\n  \u003cli\u003eIndustrial distance measurement in harsh environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the RCWL-1670?\u003c\/h3\u003e\n\u003cp\u003eUnlike standard open-air ultrasonic sensors, the RCWL-1670 features fully sealed, waterproof probes that stand up to rain, humidity, and dust — making it the go-to choice for outdoor and industrial maker projects. Its ultra-low standby current ensures your battery-powered devices last longer between charges, while the HC-SR04 compatibility means you can integrate it in minutes.\u003c\/p\u003e\n\n\u003cp\u003eFor more information on ultrasonic sensing technology and safety standards for electronic components, visit \u003ca href=\"https:\/\/www.nist.gov\/topics\/electronics\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST Electronics Resources\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the RCWL-1670 waterproof ultrasonic module compatible with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The RCWL-1670 is fully software-compatible with the HC-SR04 ultrasonic sensor, which has extensive Arduino library support. You can use the same code and libraries you would use for the HC-SR04 — simply wire the module to your Arduino's 3.3 V or 5 V pin and corresponding GPIO pins and you're ready to measure distances.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the maximum detection range of the RCWL-1670 ultrasonic distance measuring module?\u003c\/h4\u003e\n\u003cp\u003eA: The RCWL-1670 has a typical maximum ranging distance of 400 cm (4 meters), with a minimum blind zone of 2 cm. For best accuracy, keep targets within 2 cm – 300 cm and ensure the surface is reasonably reflective to the ultrasonic signal.\u003c\/p\u003e\n\u003ch4\u003eQ: Can the RCWL-1670 be used outdoors or in wet environments?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The RCWL-1670 is specifically designed with waterproof and dustproof probes, making it suitable for outdoor installations, liquid level sensing, and other humid or dusty conditions where standard open-air sensors would fail.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage does the RCWL-1670 ultrasonic module operate at?\u003c\/h4\u003e\n\u003cp\u003eA: The RCWL-1670 operates over a wide voltage range of 2.8 V to 5.5 V, making it compatible with both 3.3 V microcontrollers (such as ESP32, ESP8266) and 5 V systems (such as Arduino Uno). Standby current is just 1.5 µA at 3.3 V, making it very efficient for battery-powered projects.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the RCWL-1670 waterproof ultrasonic module compatible with Arduino?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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Standby current is just 1.5 µA at 3.3 V, making it very efficient for battery-powered projects.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"RCWL-1670 Waterproof Ultrasonic Distance Measuring Module\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/rcwl-1670-waterproof-ultrasonic-distance-measuring-module\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"5PCS RCWL-1670","offer_id":48743893565632,"sku":"14:193#5PCS RCWL-1670","price":92.99,"currency_code":"USD","in_stock":true},{"title":"2PCS RCWL-1670","offer_id":48743893598400,"sku":"14:175#2PCS RCWL-1670","price":92.99,"currency_code":"USD","in_stock":true},{"title":"1PIECE RCWL-1670","offer_id":48743893631168,"sku":"14:173#1PIECE RCWL-1670","price":92.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/S41d87caeb1c84fdaaad36717995bd8ccm.webp?v=1786151329","url":"https:\/\/vueselect.com\/products\/rcwl-1670-waterproof-ultrasonic-distance-measuring-module","provider":"Vue","version":"1.0","type":"link"}