LED Strip Lights Under The Sofa (Great Smart Home Ideas!)

I have been wanting to add a LED strip under my sofa for quite some time now. The plan is to link it in Home Assistant so that it mirrors the settings for the LEDs behind my TV cabinet. I have had mixed results with LED strip, sometimes it can be tricky to get it…

How Many LEDs Can An Arduino Control?

An Arduino can theoretically control as many LEDs as you require for your design, only limited by the power supply current available. However if you want to control more LEDs than there are digital pins on your Arduino board, you will need to use some additional hardware. In this tutorial we will investigate the advantages…

How To Make A Lamp Smart: Part 2, The Practical

In order to make a standard lamp in to a smart lamp, it must be connected to some kind of controller. Usually this will be a wireless device that connects to a smart home hub, app or software. Once connected, the on/off, brightness and colour functions of the lamp can be controlled by an external…

What Happens If You Don’t Use A Resistor With a LED? Essential LED guide

It is acceptable to use a LED without a resistor, but some method of limiting the current must be used in order to prevent the device from being destroyed. Failure to limit the current could lead to the device burning out, failing prematurely or even exploding. I have certainly blown up a few LEDs in…