Arduino Ultrasonic Sensor HC-SR04 Build, Code and Explanation

Boris Dusnoki on project, sensor, ultrasonic transducer, arduino, arduino tutorial, robotics, ultrasonic sensor, gadget, technology, diy, hobbyist, engineering, collision detection, robots for kits, starter kit, automation, industrial, logic, metal detector, motion sensor, movement detection, movement sensor, electronics, math, physics, experiment, hcsr04, atmel, c#, programming, language, soldering, station, how to, how-to, make, life hack, hack, easy arduino project |

I'm really excited to show you my first standalone Arduino project. An HC-SR04 ultrasonic distance indicator with LED lights and a buzzer. Due to Recent changes to the YouTube partners program I will no longer be able to monetize my videos so I've come up with a few ways you…

Variable Lab Bench Power Supply KIT 0-30V 0-3A build, soldering and testing tutorial

Boris Dusnoki on bench power supply, lab bench power supply, lab bench psu, psu, lab, diy, how-to, tutorial, Do It Yourself (Hobby), Power Supply Unit, linear, adjustable, 0-30v, 3A, AC-DC, 24vAC, aliexpress, ebay, banggood, 2sd1074, tl081, soldering, station, cpu fan, ac transformer, hiland, original |

In today's video I will be building a Variable Lab Bench Power Supply KIT that I got from AliExpress. With a range of 0-30V and 0-3A it really satisfies all my hobbyist needs, plus it was a very fun kit to build.…