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.

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.

Aside from the Uno and the ultrasonic sensor, you also need a PHPoC Shield to connect the board to the internet and a power supply to power up your Arduino. Mouse cursor controller using joystick ...

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.