Notifications You must be signed in to change notification settings This project demonstrates how to interface an ultrasonic sensor with an Arduino Uno microcontroller board to measure distances ...

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這是一個基於 Arduino 的超音波距離感測器與 LED 控制專案，當距離小於設定的閾值時，LED 會亮起，否則關閉。此專案使用了超音波感測器來測量物體與感測器的距離，並根據距離來控制 LED 的開關。

The HC-SR04 sonar modules are available for a mere pittance and, with some coaxing, can do a pretty decent job of helping your robot measure the distance to the nearest wall. But when sellers on eBay ...

Makers, developers and enthusiasts building distance related projects may be interested to know that the HC-SR04 ultrasonic sonar distance sensor is now available to purchase directly from the ...