This project uses an Arduino to measure distance using an HC-SR04 ultrasonic sensor and displays the result on a 16x2 LCD screen. The sensor sends out ultrasonic pulses and calculates the distance ...

NOTE: We will use Serial Monitor (built-in) as the Virtual Terminal / Bluetooth substitute. if (cmd == "TEMP") Serial.println("TEMP:" + String(readTemp(), 2)); else ...

[Klaus] wanted some sort of aid for parking his car, and after running across a $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus]’ ...

Sometimes, it’s time to shut down the oscilloscope, and break out the cardboard and paints. If you’re wondering what for, well, here’s a reminder of an Instructable from [CrazyScience], that brings us ...

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 ...

So you finally decided to hop on the Arduino bandwagon and start making electronic projects as a fun hobby. As a beginner getting started with Arduino, your first instinct is typically to buy a ...