SparkFun Forums 

Where electronics enthusiasts find answers.

Search found 3 matches

 Go to advanced search

Exactly which sensors are you using?

Re: using an arduino mini in combination with a MAG3110 Magnetometer

 by oesterle ¦  Mon May 21, 2018 9:18 pm ¦  Forum: Projects ¦  Topic: using an arduino mini in combination with a MAG3110 Magnetometer ¦  Replies: 2 ¦  Views: 253

You can create a voltage divider , using two resistors, to make a 3.3v source from the 5v on the Arduino mini. Check out the section on level shifting in this SparkFun tutorial on voltage dividers: By the way, precisely which Arduino ...

Re: RGB led strip

 by oesterle ¦  Fri May 18, 2018 1:29 pm ¦  Forum: Projects ¦  Topic: RGB led strip ¦  Replies: 1 ¦  Views: 287

I assume you plan to drive the strip from a microcontroller, like Arduino. The most common addressable strips in use now (2018) are WS2812 ones, powered at 5VDC , with 5V logic, as well. There's lots of sample code for them. Here's one such strip: And here's a...