This is an Arduino-based Proximity Sensor circuit wired using the popular ... If everything goes right,you should see the burning eye of the red LED when there is no object in the safe-zone (within 5 ...

So let’s get started! Ultrasonic Distance Sensor. You would have probably read about the SONAR that’s used in ships. ... Click on the Upload button and a few LEDs would blink on the Arduino.

Adding sensors to your Arduino opens up a whole new world of exciting projects. ... The Geek Pub guide provides everything you need to get started with your water level sensor. 2.

Inside [Klaus]’ device is an Arduino Uno, an HC-SR04 ultrasonic distance sensor, ... He’d have got 3-4 sensors and a little LED/beep display to be placed on his dash. Report comment.

Most already come complete with the UNO board and a bunch of components like LEDs, a temperature sensor, a DC motor, a servo motor, and an LCD module. Then, there's the matter of the power supply.