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Pros & Cons
Pros
Nice to have the ability to control 8 relays in a decently sized module. Terminal sizing and spacing keeps the relays from being used to their full potential.
There's a terminal strip for connecting your wires to the board. This makes hooking up controls out of the board solid.
This works exactly as expected with a couple of caveats. Works well, but have had some issues with channels responding properly. It's been working flawless for about 6 months now.
These are wonderful and a great value. Spot on delivery and great quality. Very good product. Excellent build quality and performance.
Cons
Total garbage. Pity since it worked great (with the relays that weren't defective, that is) might not be a problem with arduino/pi users as bits can be flipped.
Highlights
Quality
Good relays using them for a sprinkler system and they have been doing good so far
They have indicator leds that can save you hours of problemdetermination time aid classroom demonstrations and reassure you thi... Read More
If not its seriously dangerous to have exposed mains ac
They have 3 terminals per spdt relay but they are soldered to the board not on a connector
Price
These are wonderful and a great value
It works great especially for the money but recommend adding bulk capacitance to the 5vdc rail to mitigate spikes when switchi... Read More
Shipping
Was one week before it shipped one week standard shipping
Sensor arrived by mail and im excited to start my project with it
Had sensors from the heartland of china arrive a week sooner
Competitiveness
Even if the driving current for each channel is as low as 15 ma driving 8 channels simultaneously may consume 120 ma and that i... Read More
I think the screwdown headers could be a better qualitybrand though
Overview
- How are reviewers describing this item?
great, low, good, little and expected. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 2.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 407 reviews as of our last analysis date on Jan 21 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
Even if the driving current for each channel is as low as 15 ma driving 8 channels simultaneously may consume 120 ma and that is more than what a pi or arduino can handle
Posted by a reviewer on Amazon
This module needs to be paired with a uln2803a
Posted by a reviewer on Amazon
Biggest complaint is that the wire connector holes are small
Posted by a reviewer on Amazon
They will not accept more than one 10a wire single or multicore
Posted by a reviewer on Amazon
I could not daisychain power to the center poles of the relays
Posted by a reviewer on Amazon
I had to solder a common power wire on the back of the device
Posted by a reviewer on Amazon
Works well for what i needed it for but the 8th channel relay sticks after the first close so is unusable unless power cycled again
Posted by a reviewer on Amazon
The relays are a bit loud they are not solid state
Review Count History
Price History
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