This user guide details the implementation of Chirp Microsystems’s Ultrasonic Peer to Peer Detection and Rangefinder solution using two CH101 SmartSonic Development Kits.

This document details the specification, programming and operation of an EV_MOD_CH201-00-01 (referred to as the EV_MOD_CH201 in the remainder of this document) ultrasonic sensor evaluation module. This module board incorporates a CH201 Ultrasonic Sensor device with a 45° FoV acoustic housing assembly, a capacitor and an FFC connector.

This document details the specification, the programming and operation of a CH201 ultrasonic senor and M0 MCU Module Reference Board. This module reference board incorporates a M0+ ARM Core IC and a CH201 Ultrasonic Sensor with acoustic housing assembly. When programmed with Chirp’s Presence Detection firmware, the module shall operate as a motion detection device, signaling the detection of motion via a GPIO line.

Presence and motion detectors are electrical devices that use sensors to detect nearby motion. Such devices are often integrated as system components that automatically generate alerts when motion is detected in an area. These detectors are vital components of security and surveillance systems, automated lighting control, energy efficient systems, and other management systems. They can also enhance public and home safety by automatically triggering smart locks, smart doorbells, and other home and building automation systems.

This document is a general introduction to using the Chirp SmartSonic Evaluation Kit, including the SonicLink demonstration tool. Basic concepts in ultrasonic sensing are explained, and specific usage scenarios for the evaluation kit are explored.

This document is a guide for installing and using the SonicLink software tool in combination with the TDK/Chirp SmartSonic board. Users will gain hands-on experience with the unique ultrasonic sensing technology of the Chirp CH101 and CH201 sensors, which provides accurate range measurements in a compact, low-power device.