{"product_id":"10mm-ultrasonic-sensors-pair-40khz-mesh-10x7mm","title":"10mm Ultrasonic Sensors Pair (40KHz) Mesh 10x7mm","description":"\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Raw Ultrasonic Transducer Pair (1 Transmitter, 1 Receiver)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eDiameter:\u003c\/strong\u003e 10mm \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSize\u003c\/strong\u003e: 10x07mm \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eCenter Frequency: \u003c\/strong\u003e40.0 ± 1.0 kHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBandwidth:\u003c\/strong\u003e 2.0 kHz (-6dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSound Pressure Level (Tx):\u003c\/strong\u003e ≥ 112dB (at 10Vrms, 30cm)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSensitivity (Rx):\u003c\/strong\u003e ≥ -70dB (at 40kHz)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eCapacitance:\u003c\/strong\u003e 2000pF ± 20%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eHousing Material:\u003c\/strong\u003e Aluminum (Open Type - Indoor Use)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eDirectivity (Beam Angle):\u003c\/strong\u003e ~60° to 80°\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C to +70°C\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"pagebuilder-column\" data-content-type=\"column\" data-appearance=\"full-height\" data-background-images=\"{}\" data-element=\"main\" data-pb-style=\"BUK95HC\"\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMicro-Robotics:\u003c\/strong\u003e Ideal for \"Sumo\" or \"Micro-Mouse\" robots where every millimeter of frontal area counts.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eCustom PCB Integration:\u003c\/strong\u003e Embed distance sensing directly into your motherboard instead of using daughter boards.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eLiquid Level Sensing:\u003c\/strong\u003e Non-contact measurement for small tanks or dispensers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eObject Detection:\u003c\/strong\u003e Invisible \"tripwire\" security systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eGesture Control:\u003c\/strong\u003e Create short-range hand wave interfaces.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eProject Evolution:\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eFrom Module User to Circuit Designer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003ePrerequisites (The Past): \u003c\/strong\u003eYou have likely mastered the HC-SR04 Module. You know how to use trigger and echo pins, but you are limited by the module's physical size and fixed gain.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eThe Upgrade (This Product):\u003c\/strong\u003e The 10mm Transducer Pair unlocks Custom Acoustic Design. By building your own amplification and driving circuit (using Op-Amps like LM358 or specific driver ICs), you can adjust the gain, pulse width, and sensitivity to suit your specific environment.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eEffort Level: \u003c\/strong\u003eAdvanced. Requires knowledge of analog electronics (Op-Amps, Signal Filtering).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMinimum Hardware:\u003c\/strong\u003e You will need an oscillating circuit (to drive the Tx) and an amplifier circuit (to read the Rx).\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWiring \u0026amp; Safety Guide\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003eIdentification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eT (Transmitter):\u003c\/strong\u003e Usually marked with a 'T' on the underside. This unit sends the pulse.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eR (Receiver):\u003c\/strong\u003e Marked with an 'R'. This unit listens for the echo.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e Warning:\u003c\/strong\u003e\u003cem\u003e While the transducers can handle up to 20Vrms pulses for maximum range, most logic-level circuits drive them at 5V or 12V. Do not connect directly to a microcontroller pin without a driver transistor or buffer, as the current draw and capacitive load can damage the MCU.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003cbr\u003e\u003cstrong\u003ePackage Includes:\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 x Ultrasonic Transmitter (Tx) 10mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 x Ultrasonic Receiver (Rx) 10mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pagebuilder-column\" data-content-type=\"column\" data-appearance=\"full-height\" data-background-images=\"{}\" data-element=\"main\" data-pb-style=\"LAD43I2\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Indian Hobby Center","offers":[{"title":"Default Title","offer_id":43129211846699,"sku":null,"price":109.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/6796\/1387\/products\/ultrasonicsensortxrx_lrg.jpg?v=1656831958","url":"https:\/\/www.indianhobbycenter.com\/products\/10mm-ultrasonic-sensors-pair-40khz-mesh-10x7mm","provider":"Indian Hobby Center","version":"1.0","type":"link"}