{"product_id":"a02yyuw-waterproof-ultrasonic-sensor-ip67-3-450-cm-uart","title":"A02YYUW Waterproof Ultrasonic Sensor IP67 3–450 cm UART","description":"\u003ch3\u003eDescription \u003c\/h3\u003e\n\u003cp\u003eThe A02YYUW Waterproof Ultrasonic Sensor is a high-performance ranging module designed for precise distance measurement in harsh or humid environments. Rated IP67, it provides a detection range of 3–450 cm with a 3 cm blind spot and ±1 cm measurement accuracy. The sensor operates at 3.3–5 V with an average current ≤ 8 mA and features a UART serial interface for straightforward integration. Its 100 ms response time and 60° reference angle make it suitable for applications such as water tank level monitoring, automated plant watering, smart trash bins, and other DIY or embedded projects compatible with Arduino, ESP32, and Raspberry Pi platforms.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"121\" data-start=\"26\" data-section-id=\"1jc5f28\"\u003e\n\u003cstrong data-end=\"50\" data-start=\"28\"\u003eWaterproof Rating:\u003c\/strong\u003e IP67 protection for reliable operation in wet or humid environments.\u003c\/li\u003e\n\u003cli data-end=\"206\" data-start=\"122\" data-section-id=\"1rkdfu1\"\u003e\n\u003cstrong data-end=\"144\" data-start=\"124\"\u003eDetection Range:\u003c\/strong\u003e Measures distances from 3 cm to 450 cm with ±1 cm accuracy.\u003c\/li\u003e\n\u003cli data-end=\"293\" data-start=\"207\" data-section-id=\"htygkx\"\u003e\n\u003cstrong data-end=\"233\" data-start=\"209\"\u003eBlind Spot Distance:\u003c\/strong\u003e Minimal 3 cm non-detectable zone for close-range sensing.\u003c\/li\u003e\n\u003cli data-end=\"388\" data-start=\"294\" data-section-id=\"h14lwl\"\u003e\n\u003cstrong data-end=\"310\" data-start=\"296\"\u003eInterface:\u003c\/strong\u003e UART serial output for straightforward communication with microcontrollers.\u003c\/li\u003e\n\u003cli data-end=\"455\" data-start=\"389\" data-section-id=\"gzd1sy\"\u003e\n\u003cstrong data-end=\"413\" data-start=\"391\"\u003eOperating Voltage:\u003c\/strong\u003e 3.3–5 V DC with average current ≤ 8 mA.\u003c\/li\u003e\n\u003cli data-end=\"529\" data-start=\"456\" data-section-id=\"kmfyfk\"\u003e\n\u003cstrong data-end=\"476\" data-start=\"458\"\u003eResponse Time:\u003c\/strong\u003e 100 ms for rapid distance measurement and updates.\u003c\/li\u003e\n\u003cli data-end=\"611\" data-start=\"530\" data-section-id=\"fo8h4p\"\u003e\n\u003cstrong data-end=\"552\" data-start=\"532\"\u003eReference Angle:\u003c\/strong\u003e 60° detection cone for directional sensing applications.\u003c\/li\u003e\n\u003cli data-end=\"703\" data-start=\"612\" data-section-id=\"wgv488\"\u003e\n\u003cstrong data-end=\"632\" data-start=\"614\"\u003eCompatibility:\u003c\/strong\u003e Integrates with Arduino, ESP32, Raspberry Pi, and ESPHome platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"90\" data-start=\"23\" data-section-id=\"1qls28p\"\u003e\n\u003cstrong data-end=\"42\" data-start=\"25\"\u003eSensor Type |\u003c\/strong\u003e A02YYUW Waterproof Ultrasonic Distance Sensor\u003c\/li\u003e\n\u003cli data-end=\"123\" data-start=\"91\" data-section-id=\"16o4qgq\"\u003e\n\u003cstrong data-end=\"116\" data-start=\"93\"\u003eWaterproof Rating |\u003c\/strong\u003e IP67\u003c\/li\u003e\n\u003cli data-end=\"158\" data-start=\"124\" data-section-id=\"tdyngb\"\u003e\n\u003cstrong data-end=\"147\" data-start=\"126\"\u003eDetection Range |\u003c\/strong\u003e 3–450 cm\u003c\/li\u003e\n\u003cli data-end=\"184\" data-start=\"159\" data-section-id=\"e0oz4s\"\u003e\n\u003cstrong data-end=\"177\" data-start=\"161\"\u003eBlind Spot |\u003c\/strong\u003e 3 cm\u003c\/li\u003e\n\u003cli data-end=\"221\" data-start=\"185\" data-section-id=\"v0at65\"\u003e\n\u003cstrong data-end=\"213\" data-start=\"187\"\u003eMeasurement Accuracy |\u003c\/strong\u003e ±1 cm\u003c\/li\u003e\n\u003cli data-end=\"251\" data-start=\"222\" data-section-id=\"1jxmbt4\"\u003e\n\u003cstrong data-end=\"245\" data-start=\"224\"\u003eReference Angle |\u003c\/strong\u003e 60°\u003c\/li\u003e\n\u003cli data-end=\"288\" data-start=\"252\" data-section-id=\"t1beai\"\u003e\n\u003cstrong data-end=\"269\" data-start=\"254\"\u003eInterface |\u003c\/strong\u003e UART Serial Port\u003c\/li\u003e\n\u003cli data-end=\"327\" data-start=\"289\" data-section-id=\"4yl6cy\"\u003e\n\u003cstrong data-end=\"314\" data-start=\"291\"\u003eOperating Voltage |\u003c\/strong\u003e 3.3–5 V DC\u003c\/li\u003e\n\u003cli data-end=\"360\" data-start=\"328\" data-section-id=\"1bbdm26\"\u003e\n\u003cstrong data-end=\"351\" data-start=\"330\"\u003eAverage Current |\u003c\/strong\u003e ≤ 8 mA\u003c\/li\u003e\n\u003cli data-end=\"391\" data-start=\"361\" data-section-id=\"ai77gt\"\u003e\n\u003cstrong data-end=\"382\" data-start=\"363\"\u003eResponse Time |\u003c\/strong\u003e 100 ms\u003c\/li\u003e\n\u003cli data-end=\"440\" data-start=\"392\" data-section-id=\"1w5do11\"\u003e\n\u003cstrong data-end=\"421\" data-start=\"394\"\u003eOperating Temperature |\u003c\/strong\u003e −15 °C to +60 °C\u003c\/li\u003e\n\u003cli data-end=\"502\" data-start=\"441\" data-section-id=\"1etm8px\"\u003e\n\u003cstrong data-end=\"462\" data-start=\"443\"\u003eCompatibility |\u003c\/strong\u003e Arduino, ESP32, Raspberry Pi, ESPHome\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"579\" data-start=\"503\" data-section-id=\"1a0h4t8\"\u003e\n\u003cstrong data-end=\"522\" data-start=\"505\"\u003eApplication |\u003c\/strong\u003e Level measurement, obstacle detection, automated systems\u003c\/li\u003e\n\u003cli\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLinks\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/grabcad.com\/library\/a02yyuw-1\" target=\"_blank\" title=\"A02YYUW Waterproof Ultrasonic Sensor IP67 3–450 cm UART\" rel=\"noopener\"\u003e\u003cspan\u003e3D model on grabcad.com\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/_A02YYUW_Waterproof_Ultrasonic_Sensor_SKU_SEN0311\" target=\"_blank\"\u003eProduct Wiki \u0026amp; User Manual\u003c\/a\u003e\u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/nobody\/wiki\/1639b69a361f5863cec32bf76c92abbf.png\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/nobody\/wiki\/1639b69a361f5863cec32bf76c92abbf.png\" target=\"_blank\"\u003eTiming Diagram\u003c\/a\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTutorials\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/_A02YYUW_Waterproof_Ultrasonic_Sensor_SKU_SEN0311#HomeAssistant\" target=\"_blank\"\u003eHome Assistant Integration Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/makerbotics.com\/knowledge-base\/interfacing-a02yyuw-1at-ultrasonic-sensor-with-arduino-uno\/\" title=\"A02YYUW Waterproof Ultrasonic Sensor IP67 3–450 cm UART\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan\u003eInterfacing A02YYUW-1AT Ultrasonic Sensor With Arduino Uno\u003cbr\u003eIntroduction\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.instructables.com\/Waterproof-Ultrasonic-Sensor-Grove-Module\/\" title=\"A02YYUW Waterproof Ultrasonic Sensor IP67 3–450 cm UART\" rel=\"noopener\" target=\"_blank\"\u003eWaterproof Ultrasonic Sensor Grove Module Tutorial\u003c\/a\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"DFrobot","offers":[{"title":"Default Title","offer_id":50740130414909,"sku":"VT-4414","price":89.0,"currency_code":"QAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2822\/2674\/files\/dfrobot-sens-motion-distance-a02yyuw-waterproof-ultrasonic-sensor-ip67-3-450cm-uart-1192572560.jpg?v=1757767632","url":"https:\/\/www.voltaat.com\/products\/a02yyuw-waterproof-ultrasonic-sensor-ip67-3-450-cm-uart","provider":"Voltaat","version":"1.0","type":"link"}