What does this mean?Highlights
Quality
The relays will only turn on with an active low signal from the processor to in1-in8.
They either didn't, which is a lack of oversight, or didn't care, which is a different level of oversight above the material in... Read More
The jumper on the three pins on the right on the relay (between vcc and jd-vcc) must be removed and 5v must be supplied to jd-vcc.
3v processor, the vcc pin on the relay should be connected to 3.
Packaging/appearance
The manufacturer, or seller, packed 4 of these relay boards in an undersized box, cramming them in without any care at all for ... Read More
Overview
- How are reviewers describing this item?
fine. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 90% high quality reviews are present.
- This product had a total of 3 reviews as of our last analysis date on Nov 3 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
The jumper on the three pins on the right on the relay between vcc and jdvcc must be removed and 5v must be supplied to jdvcc
Posted by a reviewer on Amazon
The relays will only turn on with an active low signal from the processor to in1in8
Posted by a reviewer on Amazon
They trigger on logic 0 not 1
Posted by a reviewer on Amazon
Logic 1 works with 3 to 5 v so just program your microprocessor to invert your pin output for on logic 0
Posted by a reviewer on Amazon
My only issue and this is simply the way it was shipped most all the header pins were badly bent see pic
Posted by a reviewer on Amazon
I was lucky to bend them back as these tend to break really easy
Posted by a reviewer on Amazon
The manufacturer or seller packed 4 of these relay boards in an undersized box cramming them in without any care at all for how that was going to affect them imho
Review Count History
Price History
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