In this tutorial we will learn how to Use a LED ring with and a Ultrasonic module to measure the distance. Read Full tutorial here.
How to Use Ultrasonic Distance module, and Visuino to display ultrasonic range on Lcd and set the limit with a red colored LED. Read Full tutorial here.
How to use ultrasound distance finder module,rotary encoder to specify and display ultrasound range on Lcd and set the limit distance with a red LED. We will be able to save the chosen distance by pressing on a rotary encoder button. Read Full tutorial here.