Relays are electrically operated switches, which allow a low-level electrical signal to control a separate larger electrical voltage or current.
A relay is an electromechanical device that consists of a number of parts, including the Coil, core, armature, yoke, contacts, spring and the push-rod.
This is a 45 degree drilling jig that I knocked up for making holes through corners. This makes the process of installing dowels in box corners much easier.
How to download, add and install the Youtube app on a Samsung Smart Tv Smarthub
This video shows how to download the Youtube app onto the Smarthub of a Samsung smart tv. It also shows you how to edit the apps in the More apps screen and move them to the My Apps screen.
How can I watch YouTube on Samsung TVs older than 2013 ?
The YouTube Flash app on older TV device models is no longer available. To continue watching YouTube on an older Samsung TV your best bet is to use one of the following cheap media players that support YouTube:
YouTube Flash Announcement from Google:
How to connect an i2c LCD display to an Arduino UNO tutorial.
This is the third video in a series about the Keyes Arduino systems learning kit.