Welcome Guest,Register Now
Log In

ANT Forum

Welcome guest, please Login or Register

   

Is that possible to connect more devices by plug in multiple usb sticks on Android

Rank

Total Posts: 8

Joined 2017-04-26

PM

I am developing an Android app over ant+ protocol, which expected to read from up to 24 heart rate sensors synchronously, at least 1 sample/second from each sensor.

If I understood it correctly, only 8 channels available with single usb stick. So I'm wondering, if it is possible to extend channels by plug in second/third usb ant+ stick? Or is there other way to connect to so many sensors?

Any information would be greatly appreciated.      
Avatar
RankRankRankRank

Total Posts: 738

Joined 2012-09-14

PM

If the device supports USB Host, you could use multiple ANT USB sticks to add more channels to the device, although you'll likely also need a powered USB Hub as most Android devices are not designed to carry much power over the port.

Another alternative is to use either Continuous Scan Mode or Background Scanning to pick up all messages from multiple devices. CSM is available on all ANT USB sticks, and Background Scanning is only able to pick up every message if the device also supports high duty search (such as the USB-m). This would involve not using the ANT+ API/Plugins but instead use the ANT API to parse the raw messages yourself. If you would prefer to go down this path, please contact support @ thisisant.com for a solution.      
Rank

Total Posts: 8

Joined 2017-04-26

PM

thanks for reply.

In actually, I've made it by using background scanning with Ant SDK.

Thanks again.      
Rank

Total Posts: 1

Joined 2021-02-12

PM

Hello! I have the same problem. How did you solve it?      
RankRankRankRank

Total Posts: 227

Joined 2012-06-27

PM

This is related to https://www.thisisant.com/forum/viewthread/7477/ in that it requires functionality on the ANT+ network beyond the plugin support      

Signature

Ian Haigh