Psoc Ultrasonic Sensor [portable] Jun 2026

A PSoC ultrasonic sensor is not a standalone component but a highly adaptable system design. By leveraging the PSoC’s mixed-signal capabilities, engineers can create ultrasonic distance sensors that are compact, power-efficient, and tailored precisely to their application’s needs—without the constraints of fixed-function modules.

: One notable community story involves a maker building an ultrasonic range meter for a project challenge. They housed the circuit in a recycled Raspberry Pi box and used a green toy cube borrowed from their daughter as a test target.

The sensor sets its ECHO pin high until it receives the returning sound wave. psoc ultrasonic sensor

#include <project.h>

The PSoC ultrasonic sensor works by emitting a high-frequency sound wave (ultrasonic wave) and measuring the time it takes for the wave to bounce back from an object. The sensor consists of a transmitter and a receiver. The transmitter sends out the ultrasonic wave, which travels through the air until it hits an object. The wave then bounces back and is received by the receiver. A PSoC ultrasonic sensor is not a standalone

// Calculate distance uint16_t distance = (time * 0.034) / 2;

// Print distance value printf("Distance: %d cm\n", distance); They housed the circuit in a recycled Raspberry

Interfacing an with a PSoC (Programmable System-on-Chip) leverages the platform's unique ability to handle high-precision timing in hardware, reducing the load on the CPU. Unlike traditional microcontrollers that rely heavily on software interrupts to measure pulses, PSoC can utilize its Universal Digital Blocks (UDBs) or dedicated TCPWM components to capture the "Time-of-Flight" (ToF) of an ultrasonic pulse with nanosecond-level accuracy. Core Operating Principle: Pulse-Echo Ranging The most common sensor used in these projects is the Go to product viewer dialog for this item.

To prototype a PSoC ultrasonic sensor: