This is a video walk-through about a 4-channel contact closure relay module I made. An example application is demonstrated here by driving a micro-fan through a relay and connector signal path via a remote and physically isolated contact closure made at an input. There are many applications by which this module will prove both practical and useful.
It serves as a way to achieve a high-current path closure by simply providing a shorted connection at each input.
https://youtu.be/1FgDOD8vWGQ
This is a video that explains the purpose and function of the signal interrupt module. This was the first module I developed and made as an effort to get familiar with KiCAD and other development instruments. It is a simple 8-channel 1:1 input to output signal interface unit that provides for signal interrupt and patch capabilities to external devices. The module also supports micro-patch capabilities from numbered input channels to differently designated channels via patch conductors and to 24-pin connector terminals.
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