This post is a review of the popular waterproof ultrasonic sensor JSN-SR04T. I hope this will serve as a backdrop for some interesting ultrasonic distance sensor experiments and projects. A number of ...

This one is an unusual smart home project, potentially - how to monitor a fish tank’s health with an AI-enabled ultrasonic sensor system. The detailed project is highlighted on Hackser.io and features ...

There is a lot of buzz about electromagnetic (EM) detection and ranging sensor technology, which encompass radar, lidar, infrared (IR), ultra-wide bandwidth (UWB), and many others. However, there are ...

株式会社ソラコムは用途に応じたIoTデバイスを1個単位で購入することができる「SORACOM IoTストア」において、新たにArduino UNO等と組み合わせてセルラー通信を利用したIoTデバイスを開発できる「LTE-M Shield for Arduino」(Dragino社製)と、「LTE-M Shield for Arduino」を ...

Ultrasonics refers to signals that are above the human hearing span (>20 kHz), and usually in the 40- to 70-kHz range. These signals are used like radar—they’re radiated toward a target and reflected ...