{"product_id":"ultrasonic-probe-sensor-distance-detection-ma40s4r-ma40s4s-40khz","title":"Ultrasonic Probe Sensor 40kHz Distance Detection MA40S4R MA40S4S","description":"\u003cp\u003eThe \u003cstrong\u003eUltrasonic Probe Sensor\u003c\/strong\u003e is a precision-engineered distance detection component designed for electronics projects, robotics, automation systems, and DIY builds. Operating at \u003cstrong\u003e40 kHz\u003c\/strong\u003e with up to \u003cstrong\u003e20 Vp-p\u003c\/strong\u003e, this dual-function sensor handles both transmitting (MA40S4S) and receiving (MA40S4R) roles, giving you reliable non-contact distance measurement in a compact plastic and metal housing.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in \u003cstrong\u003e2 color options\u003c\/strong\u003e, this sensor integrates easily into microcontroller platforms such as Arduino and Raspberry Pi, making it a go-to choice for hobbyists, engineers, and makers alike.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Function:\u003c\/strong\u003e Includes both transmitter (MA40S4S) and receiver (MA40S4R) ultrasonic probes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e40 kHz Operating Frequency:\u003c\/strong\u003e Ideal for accurate, stable distance sensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20 Vp-p Drive Voltage:\u003c\/strong\u003e Delivers strong, consistent signal output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built from plastic and metal for long-lasting reliability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Versatile:\u003c\/strong\u003e Fits a wide range of DIY electronics, automation, and robotics applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Compatible with common microcontroller development boards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 Color Options:\u003c\/strong\u003e Choose the style that suits your build\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MA40S4R (Receiver) \/ MA40S4S (Transmitter)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 40 kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Voltage:\u003c\/strong\u003e 20 Vp-p\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic + Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Distance detection, proximity sensing, object detection, robotics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\n\u003cp\u003eWhether you're a student working on a science project, a hobbyist building a smart device, or a professional prototyping an automation system, this ultrasonic sensor pair delivers the consistent performance you need. It also makes a great component gift for electronics enthusiasts.\u003c\/p\u003e\n\n\u003ch2\u003eLearn More About Ultrasonic Sensing Technology\u003c\/h2\u003e\n\u003cp\u003eFor technical background on ultrasonic measurement and its applications in science and industry, visit the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e, a trusted authority on measurement science and standards.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What are the MA40S4R and MA40S4S ultrasonic probes used for?\u003c\/h4\u003e\n\u003cp\u003eA: The MA40S4R (receiver) and MA40S4S (transmitter) are 40 kHz ultrasonic probes used for non-contact distance detection, proximity sensing, and object detection in electronics, robotics, and automation projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is this ultrasonic sensor made from?\u003c\/h4\u003e\n\u003cp\u003eA: This ultrasonic probe sensor is constructed from a combination of plastic and metal, ensuring a durable and reliable build suitable for repeated use in prototyping and finished electronic systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this sensor compatible with Arduino or Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This 40 kHz ultrasonic sensor is compatible with popular microcontroller platforms including Arduino and Raspberry Pi, making it straightforward to integrate into a wide range of DIY and professional projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many sensors are included?\u003c\/h4\u003e\n\u003cp\u003eA: This listing is for 1 piece. Please select your preferred color option at checkout. Both transmitter and receiver variants are available — check product variant selection for details.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What are the MA40S4R and MA40S4S ultrasonic probes used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The MA40S4R (receiver) and MA40S4S (transmitter) are 40 kHz ultrasonic probes used for non-contact distance detection, proximity sensing, and object detection in electronics, robotics, and automation projects.\"}}, {\"@type\": \"Question\", \"name\": \"What material is this ultrasonic sensor made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This ultrasonic probe sensor is constructed from a combination of plastic and metal, ensuring a durable and reliable build suitable for repeated use in prototyping and finished electronic systems.\"}}, {\"@type\": \"Question\", \"name\": \"Is this sensor compatible with Arduino or Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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Both transmitter and receiver variants are available — check product variant selection for details.\"}}]}\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:\/\/vpggdm-rp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Tech, Tools \u0026 Auto\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/collections\/tech-tools-auto\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Ultrasonic Probe Sensor 40kHz Distance Detection MA40S4R MA40S4S\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/products\/ultrasonic-probe-sensor-distance-detection-ma40s4r-ma40s4s-40khz\"}]}\u003c\/script\u003e","brand":"Qme","offers":[{"title":"MA40S4R","offer_id":49766004130006,"sku":"14:29#MA40S4R","price":15.28,"currency_code":"USD","in_stock":true},{"title":"MA40S4S","offer_id":49766004162774,"sku":"14:10#MA40S4S","price":15.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/5243\/8486\/files\/S94178b843c4644a2b49c3595db6748acJ.webp?v=1785330492","url":"https:\/\/qmeboost.com\/products\/ultrasonic-probe-sensor-distance-detection-ma40s4r-ma40s4s-40khz","provider":"Qme","version":"1.0","type":"link"}