![]() ![]() One of the simpler ways to do this is to use a MOSFET. Whenever you are controlling something which is higher voltage than your microcontroller, you need something in between to stop your board getting fried. 1 x Arduino Uno (any compatible board will do)īefore setting up the circuit, let's talk about MOSFETs.In order to connect up a 12v LED strip to an Arduino, you will need a few components: (Learn more about weatherproofing and IP ratings.) Once you have your chosen LED strip, it's time to link it up with an Arduino. The 6 denotes it is completely sealed from dust, and the 7 means it is protected against temporary submersion in water. For example, if the listing says 30 IP67, this means there will be 30 LEDs per meter. Usually, the first number will be the number of LEDs per meter, and the letters IP followed by numbers will be its weatherproofing. When looking at LED strips, pay attention to the numbers on the listing. Both of these types of strip come in varying lengths, LED densities (the number of LEDs per meter), and differing degrees of weatherproofing. ![]() ![]() At the time of writing, they are available for around $4 per meter.Īnother thing to consider is where these strips are likely to be used. If you are looking for individually programmable LEDs, these are for you. While it is possible to power small amounts of them directly from an Arduino board, it is generally a good idea to use a separate 5V power supply to save yourself from the smell of fried Arduino. These strips only require 5v to power them. ![]()
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