SparkFun Forums 

Where electronics enthusiasts find answers.

Search found 4 matches

 Go to advanced search

I have a Sparkfun RGB rotary encoder that I'm hooking up to an Arudino Nano. The blue and green LEDs run at 3.3v. The red led runs at 2. I figured I could run the LEDs directly off of the 3.3v line. Since the LEDs are common anode, I need to switch them on by raising a control pin on the Nano. Basic...

Re: Where can you get plastic key pins for header connection

 by jgold ¦  Mon Aug 21, 2017 8:47 am ¦  Forum: SparkFun Product Questions ¦  Topic: Where can you get plastic key pins for header connections? ¦  Replies: 4 ¦  Views: 873

Thanks Mike. I found some from a site in Europe but they were selling them individually and they were expensive. Jameco Electronics has some but they're for the Molex type connectors and I don't know if they'll fit the dupont connectors and they don't ship for 75 days. I just realized I have a new 3...

Where can you get plastic key pins for header connections?

 by jgold ¦  Sat Aug 19, 2017 12:33 pm ¦  Forum: SparkFun Product Questions ¦  Topic: Where can you get plastic key pins for header connections? ¦  Replies: 4 ¦  Views: 873

I don't know if there's a name for these. I've searched extensively but haven't been able to find them anywhere. I see them all the time on computer motherboard connections. For example, the USB port on the mother board has one pin missing. The female connector that plugs into it has a plastic male ...

Can a femtobuck drive other things?

 by jgold ¦  Sun May 28, 2017 11:21 am ¦  Forum: SparkFun Product Questions ¦  Topic: Can a femtobuck drive other things? ¦  Replies: 0 ¦  Views: 398

I'm trying to figure out how create a variable power solenoid. I want to be able to make it actuate really hard or really soft. I don't really know what I'm doing but I thought that maybe I could vary the current using a femtobuck. It probably won't work though because is seems like it must be figur...