
I am using this board to integrate a wired alarm system with a ZWave system. Connecting this board to my Raspberry PI was easy. I've only used 9 inputs so far, but they worked fine. The board could have used some extra ground inputs to provide more ground connections, but there are workarounds. I look forward to future use of the empty PCB area once I've completed my interface. When I tried to download the PDF manual, it was blank. I had to take a screenshot of the images in the ad, which turned out to be low-resolution.

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