Q. Could anyone inform me on iota and hyper ledger is there a collaboration？
There is not collaboration, we have built a bridge to Hyperledger as @Royalfm pointed out…
Q. Can data be streamed with iota on a simple raspberry pi with wifi?
A. Sure, have a look at https://iot2tangle.io/ they have all the necessary code in their HUB on Github (https://github.com/iot2tangle)