Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 12/11/2014 at 10:21 pm #46730 Anonymous Allthough I do love the concept of the Arduino OPC server I would like to have an HDA (Historian Data Access interface) available. By using SD card on the board some history could be saved and read after connection loss etc. Anyone already build a solution for that? Best regards, GWS 13/11/2014 at 6:18 pm #47201 i.martinezKeymaster Good idea…. I will try to integrate HDA in the Arduino OPC Server If some one have any advice about that will be welcome All the best ilde Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.