I just got myself an 8 Channel USB Relay that I intend to control with the MacHIDMBS PlugIn. The relay looks similar to this one: https://www.sainsmart.com/sainsmart-4-channel-12-v-usb-relay-board-module-controller-for-automation-robotics-1.html
I am able to establish a connection successfully and read out properties from the relay such as ProductID, VendorID and SerialNumber using MacHIDMBS.
However does anyone have experience what exactly to do to get the individual relays switching? According to the technical documentation it expects an 0x50 at the beginning (I assume this has been done through MacHIDMBS.Connect). It is ready to receive commands after 0x51. I am trying to send messages via MacHIDMBS.SendMessage and MacHIDMBS.SendMessageMemory, however the relay never reacts.
Does anyone have experience with those relays on Xojo?
Thanks a lot,