Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

All Questions

4
votes
2answers
85 views

What would happen if you accidentally casually put your apple watch on a wireless charger meant for phones or other higher power devices for hours? [closed]

What would happen if you accidentally, casually (because they're supposed to be so convenient!) put your apple watch on a wireless charger meant for phones or other higher power devices for hours? Or ...
0
votes
1answer
55 views

WPT compensation topologies

I'm experimenting with compensation topologies for inductive WPT systems and have a small confusion. The general WPT industry uses compensation networks to cancel out reactive components in the ...
0
votes
0answers
201 views

Minimal components for lighting an LED via wireless power transfer

I understand the basic concept of wireless power transfer. I wanted to make some wireless LEDs (Similar to this concept) and was trying to figure out the minimum component count I required in order ...
1
vote
1answer
57 views

Inductive Charging 2 layer coil transfer to 1 layer receiver. Any issues?

I am looking to incorporate a inductive charging mechanism into a project I’m working on. On the receiving side I only have room for a single layer coil design. For my transfer side I have more ...
0
votes
1answer
277 views

Wireless Induction coil wired to USB

I'm not an electrical engineer so forgive any obvious ignorance that may be unwittingly baked into the question. Background: My kids have these Disney Infinity Light FX figures that, now that ...
0
votes
1answer
436 views

Inductive Charging Mouse [closed]

I recently bought a wireless gaming mouse and while functionally its great, the battery life is a little less than I would like. I tried to mitigate this by adding in another rechargable AA battery (...
2
votes
2answers
900 views

Is the QI norm about the components or the coil?

I would like to have induction charging for my smart object and I was looking at QI chargers/receivers The QI chargers I find on the market are "designed for phones" : they are very flat and offer a ...
3
votes
3answers
2k views

Wireless Power Transfer at 50Hz

Is is possible to transmit power using magnetic resonance coupling at 50Hz? Assuming I have no constraints on the minimum distance between the primary and the secondary coil. However, the coils are to ...
2
votes
2answers
990 views

Inductive wireless mobile charger circuit

In wireless mobile charging circuit, is there any formula of spacing which varifies that by increasing diameter and turns, spacing (range) can be increased?