Tagged Questions

2
votes
2answers
80 views

Communication between embdedded system and Mobile phone

I am software developer and new to the embedded systems. I need to use a wireless communication method to send/receive data from embedded system and a mobile smart phone (Android - iPhone). My target ...
13
votes
1answer
457 views

How to build the circuit of a small wireless camera?

I did a good search, but I want to know if anyone has other idea(s). To create a wireless camera, I need: The camera circuit A wireless transmitter A battery The receiver is not a problem, it can ...
1
vote
2answers
142 views

How realistic would charging batteries with inductive power transmission be?

I've read articles on inductive charging and related stuff on Wikipedia and now I wonder - what if I wanted to develop a battery (also a matching charger and the battery compartment) with completely ...
6
votes
4answers
359 views

Cold weather battery power

I've built a temperature sensor module that runs off of 4xAA batteries and sends data back to a computer via XBee. Works great, until the weather gets cold. At that point, the rechargeable AA ...