5 ms·

Bluetooth 4.0 LE - Non-paired communication in the 10s of meters range. Very low power. 250kbps or so max speed. It could be useful for easily interacting with

by jws 15y ago

Bluetooth 4.0 LE - Non-paired communication in the 10s of meters range. Very low power. 250kbps or so max speed. It could be useful for easily interacting with devices, e.g. thermostats, exercise monitors, televisions, cars… There don't appear to be (m)any devices using it now. But it is in the phone, waiting.

sudont 15y ago
Indeed. CSR has a nice-sounding SoC for this, but their dev program sucks for hackers. $10k for a seat? Blegh. TI is a bit more friendly in this regard, see video in below link. I'm interested to see if anyone could potentially implement a lightweight data format for send/receive to create an open system for communicating from app-to-mote. Right now, any iPhone receiver app on the store wouldn't be allowed to download any drivers, however a common application-layer protocol transmitting JSON would probably work. After all, it wouldn't be code, just rules on how to interpret it. http://www.ti.com/tool/cc2540dk-mini#Related%20Products http://www.ti.com/tool/cc2540dk-mini#Related%20Products
- jws 15y ago
  I've pondered a similar concept whenever I design an embedded system that needs a user interface. Provide a common formatted set of data (JSON say), a fallback interface (HTML,CSS,javascript), and an identifier for a better interface if the user's device can get to a network and snag an app or updated UI (URL). Look at all the things around you in daily life with awful user interface devices, and yet you almost certainly carry a really nice UI device in your pocket and probably have a really great device in your bag.
  - jordanhackworth 15y ago
    UPnP already does this. It can even include a presentation URL.
- davidcann 15y ago
  There's already a set of standard protocols for LE (such as heart rate) that are managed by the Bluetooth standards group. Their intention is to grow that list based on feedback from developers.
- samlittlewood 15y ago
  That is good - $99 for an evaluation kit from TI. I used the CC2500 part a while ago for a hobby project with good results. Hmm - just using this to make a matchbox size robot would be feasible. Also, interesting to see the chipcon parts carrying on with the 8051 CPU cores.
mahyarm 15y ago
Wahoo fitness will be releasing a bluetooth 4.0 heart rate monitor soon. http://www.wahoofitness.com/wahoo_blue/ http://www.wahoofitness.com/wahoo_blue/
- gonzo 15y ago
  This is just OEMed from Dayton in Hong Kong. They're < $35 in volume. Given that the Wahoo ANT+ Dongle is $16 in volume from the same OEM (Wahoo has their own firmware), one has to wonder how high the price for the HRM might be. I fully expect Nike or Adidas to bring these to market, leveraging their very large channel and ability to take down more than the MOQ (5k pcs) to drop the price to around $45 at retail.

by jws 15y ago

sudont 15y ago

Indeed. CSR has a nice-sounding SoC for this, but their dev program sucks for hackers. $10k for a seat? Blegh. TI is a bit more friendly in this regard, see video in below link. I'm interested to see if anyone could potentially implement a lightweight data format for send/receive to create an open system for communicating from app-to-mote. Right now, any iPhone receiver app on the store wouldn't be allowed to download any drivers, however a common application-layer protocol transmitting JSON would probably work. After all, it wouldn't be code, just rules on how to interpret it. http://www.ti.com/tool/cc2540dk-mini#Related%20Products http://www.ti.com/tool/cc2540dk-mini#Related%20Products

jws 15y ago
I've pondered a similar concept whenever I design an embedded system that needs a user interface. Provide a common formatted set of data (JSON say), a fallback interface (HTML,CSS,javascript), and an identifier for a better interface if the user's device can get to a network and snag an app or updated UI (URL). Look at all the things around you in daily life with awful user interface devices, and yet you almost certainly carry a really nice UI device in your pocket and probably have a really great device in your bag.
- jordanhackworth 15y ago
  UPnP already does this. It can even include a presentation URL.
davidcann 15y ago
There's already a set of standard protocols for LE (such as heart rate) that are managed by the Bluetooth standards group. Their intention is to grow that list based on feedback from developers.
samlittlewood 15y ago
That is good - $99 for an evaluation kit from TI. I used the CC2500 part a while ago for a hobby project with good results. Hmm - just using this to make a matchbox size robot would be feasible. Also, interesting to see the chipcon parts carrying on with the 8051 CPU cores.

mahyarm 15y ago

Wahoo fitness will be releasing a bluetooth 4.0 heart rate monitor soon. http://www.wahoofitness.com/wahoo_blue/ http://www.wahoofitness.com/wahoo_blue/

gonzo 15y ago
This is just OEMed from Dayton in Hong Kong. They're < $35 in volume. Given that the Wahoo ANT+ Dongle is $16 in volume from the same OEM (Wahoo has their own firmware), one has to wonder how high the price for the HRM might be. I fully expect Nike or Adidas to bring these to market, leveraging their very large channel and ability to take down more than the MOQ (5k pcs) to drop the price to around $45 at retail.