Originally Posted by
nerys
the idea would be you take these wireless sensors. and instead of sending them to a dedicated cycling computer you send that data to a brain box.
You haven't mentioned that idea before.
There are a few types of wireless transmitters.
1) Analog (sold with a head/display unit).
2) Proprietary digital (sold with a head/display unit).
3) ANT+ (not well supported by phones).
4) BT4 (new: probably will be common for phones).
No one is going to support 2 with a "brain box" or anything else. Supporting 1 seems odd since it's subject to interference and people have the head/display unit.
There are devices that support options 3 and 4.
Here's a "brain box" heart monitor (but it only supports options 3 and 4).
http://www.dcrainmaker.com/2012/09/4...oth-smart.html
Originally Posted by
nerys
THIS BRAIN BOX would have plenty of space for whatever size battery is needed and "IT" would have the BT transmitter inside.
People want less crap on their bikes, not more. It would make more sense to spend money it would cost for a clunky "brain box" on a new phone (that supports BT4).
BT3 has been available on phones for a while.
Since no one made a speed/cadence/"brain box" BT3 transmitter years-ago, it seems extremely unlikely you'll see one now (given that BT4 is here).
Originally Posted by
nerys
not sure what you mean by small HAVE YOU EVER SEEN a bluetooth headset? I have bluetooth headsets that are so small that they are as small as the top of my pinky finger. so small that the "speaker" that goes in your ear is almost as large as the entire headset. and those run for HOURS at a time.
Transmitters are often zipped-tied to the bicycle frame. Have YOU EVER SEEN one?