Now you can have your own node from £175.00!
https://actinium.store/product/portable-lightning-node-actinium/
Portable Lightning Network Node, Pi Zero!
Seems a bit pricey. I don't see their link to the source code. Is this open source?
It seems that it's pi zero + power bank + sdcard (don't think that's it's safe for such a huge one)
+ rasbian + bitcoind + c-lighting
as managment spark wallet - https://github.com/shesek/spark-wallet
It's a Pi zero the board costs about $6