Supplying Power to Rotating Objects, WIrelessly!

[@SoCalSteve]

Dave, I was struggling with placing a power supply under a turntable and powering a device on top. It was simply getting too complicated and I decided to look online and found your webpage & video. This is so simple and genius. Thank you for sharing!

[@DaveBodnar]

Steve - thanks for taking the time to let me know that it worked for you. Enjoy! dave

[@SoCalSteve]

@@DaveBodnar I'm going to be powering an Arduino, probably a mega. I was planning on using a 9v or 12v battery pack, but I'm having a hard time finding coil setups that receive more than 5v. I did find one that appears to be 24v to 24v, but I'm wondering if ill have issues if I only supply 12v to it.

[@DaveBodnar]

@@SoCalSteve I really can't say - best move might be to do some experiments and see how it behaves dave

[@bearfriend_]

Thanks for making all of your videos, Dave! I really appreciate your approach and level of detail without getting into the weeds and over my head. Very accessible and encouraging. I've been wanting to make some spinning holiday decorations but wasn't sure how to go about it. Now I am. Thanks again!

[@DaveBodnar]

That is nice to hear, Daniel - thanks! dave

[@Westimation]

Reminds me of my electric toothbrush. I can see use for this for rotating animation without the problem of adding pesky pickup rings and sliding contacts. Thanks Dave. I look forward to your next video.

[@gamingwinneralpha]

How can we rotate in both directions by powering wireless

[@DaveBodnar]

You would need a double pole/double throw switch after the wireless receiver dave

[@alanrochester5771]

Hi Dave I love your innovative approach, I think I could find a lot of uses for this. Thanks Al.

[@MirekKrenc]

Your workshop is very very impressive:) Great place for great ideas!

[@DaveBodnar]

It has served me well, Mirek - lots of stuff in the shop but I know where everything is! dave

[@adetuck3174]

Hi Love the idea and trying to source wireless charger in Canada but the link you have on your old web page are out of date. Can you suggest somewhere to buy this from please ?

[@DaveBodnar]

Try Amazon - here is the link I used www.amazon.com/s?k=Wireless+Power+Supply+Coil+Module&crid=86I36N52MZGC&sprefix=wireless+power+supply+coil+module%2Caps%2C92&ref=nb_sb_noss dave

[@newtybot]

Holy shit, I've been thinking of this concept for a long while Just two connector "Washer" shapes that rotate separately that transfer power. Glad to see it's possible haha

[@colodrurl545]

Hello Dave, I have a question. I want to do something similar like the concept that you have for the power but I want to do something with transferring data. Is there anyway or any components out there that you might know of where I could transfer data instead of power. Like having two pins or gears rotating together to transfer data. Instead of having it connect like a usb plug

[@DaveBodnar]

I would use radio to transfer data. Check this link trainelectronics.com/Arduino/HC-12-Serial_Radio/ Dave

[@colodrurl545]

@@DaveBodnar It’s more like a transmitter and a receiver.

[@nevido84]

very cool and inspirational videos Dave!

[@Sir_TwiggusRandomannequin]

If I use a more powerful battery could it supply more voltage? How much power is lost through the transfer?

[@DaveBodnar]

You are limited by the device and cannot exceed its ratings

[@Superhumanez]

Dave have you made one of those transmitters? I wonder if I can make my own for a bigger project.

[@DaveBodnar]

Haven't made one from scratch. Just working with the commercial units

[@Superhumanez]

@@DaveBodnar can you please make a video for that?

[@bbrescia11]

Dave, I'm putting together a Ferris wheel for the holidays. On the circle that turns around, I'd like to put some AC stuff (low power draw) and also some DC (LED strips - 12V). I have a 48V DC power supply that will sit on the frame. Would your solution work for me? Thanks! Bob

[@DaveBodnar]

It will only provide DC power. If your items only work with AC you need another solution

[@santoshmore6146]

Hi can i pass more current from the rectifier

[@DaveBodnar]

The amount of current is limited by the circuit - as it comes you are limited to what it provides

[@PugALug70]

Fantastic! I'm working on a non-train project but you've sure helped me out! Thanks! Did you mention in the video where that module can be purchased?

[@DaveBodnar]

It is good to hear that you liked the project - more info is on my web page - the link is in the description. dave

[@TStig39]

Great video! Can this be used for AC power or there's any other method to supply AC wirelessly? Thanks!

[@DaveBodnar]

I haven't seen any AC versions but they could be out there...

[@jordangabrielle9261]

I knew this problem had to be solved in the past. I'm making plans for a weird practical lightsaber, after seeing the video corridor crew put out on their practical lightsaber

[@frejnorling1547]

This question has bugged me for littarly years! =) Finally I have an answere! However, is it the same principle for larger scales, like the rotatation of an excavator?

[@Slider2732]

Great demo ! I built a wireless energy POV a few months ago that may be of interest, utilizing an Arduino...it uses a simple to make circuit to create the switching for the coil and a single 1.2V NiMH. "1.2V wireless electric POV" as a search will bring it up (i'd likely end up in your spam section by posting the link). Best wishes for more creations that use wireless electricity :)

[@DaveBodnar]

Very nice project - here is a proper link: kzbin.info/www/bejne/p3vOlWqrhZinjMk Thanks for passing that along. dave

[@Slider2732]

Haha, now that's an endorsement...very kind :)

[@strassboom2612]

I’m looking to make the Odradek from the game Death Stranding! Thank you so much this is so helpful!!!

[@DaveBodnar]

That is great news - have fun!

[@carlito5792]

Bonjour Dave et merci beaucoup pour votre idée !!

[@DaveBodnar]

You are quite welcome! dave

[@ggh_st]

interesting, might help with my project. Thanks!

[@tinplategeek1058]

Nice bit of lateral thinking there.

[@DaveBodnar]

I appreciate the comment - thank you!