Applications

• Micro-Robotics: Ideal for "Sumo" or "Micro-Mouse" robots where every millimeter of frontal area counts.
• Custom PCB Integration: Embed distance sensing directly into your motherboard instead of using daughter boards.
• Liquid Level Sensing: Non-contact measurement for small tanks or dispensers.
• Object Detection: Invisible "tripwire" security systems.
• Gesture Control: Create short-range hand wave interfaces.

Project Evolution:

From Module User to Circuit Designer

• Prerequisites (The Past): You 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.
• The Upgrade (This Product): The 16mm 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.
• Effort Level: Advanced. Requires knowledge of analog electronics (Op-Amps, Signal Filtering).
• Minimum Hardware: You will need an oscillating circuit (to drive the Tx) and an amplifier circuit (to read the Rx).

Wiring & Safety Guide

Identification:

• T (Transmitter): Usually marked with a 'T' on the underside. This unit sends the pulse.
• R (Receiver): Marked with an 'R'. This unit listens for the echo.

 Warning: 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.

 
Package Includes:

• 1 x Ultrasonic Transmitter (Tx) 16mm
• 1 x Ultrasonic Receiver (Rx) 16mm