4 channel relay card package overview
4 channel relay card kit package overview (1)
Originally uploaded by cultured_society2nd
To cut down time and soldering problems; I am in luck to stumble a 4 channel relay card but its $42 bucks sigh.
4 channel relay card package close up
The use of this 4 channel relay card is to collect analogue audio input signals from a device thus it will create an analogue output trigger to the “Custom made 4 solenoids xylophone player” (will be shown on future posts)
Specifications
4 channel relay card specification
As noted in the image ;P
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