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Pros & Cons
Pros
The module supports each energetic low and lively excessive trigger alerts. Allows seamless integration with a variety of microcontrollers, sensors, and other input devices.
Whether you are a hobbyist or a seasoned engineer, this relay module is a must-have component in your arsenal. Its self-locking mechanism, ease of integration and reliability make it an excellent choice for a wide range of electronic projects.
Cons
The pictures all show fc-73 on the pcb, but i received ones that say hcw-253. Running two boards off the same 12vdc power supply causes both boards to latch intermittently. No instructions. The promo pics show a user instruction sheet.
Highlights
Quality
Haven't had any issues with the module.
The only issue i had was with the specific application i was using.
My one and only comment/complaint would be that the two terminal blocks on this module are of poor quality - everything else is... Read More
Competitiveness
The self-locking relay module's functionality revolves round its capacity to govern the switching of high-power circuits using ... Read More
I have been looking for an alternative to the dold ob 5693 which are impossible to find in the usa.
Overview
- How are reviewers describing this item?
fine, electronic, connected and terminal. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has determined that the review content quality is high and informative.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 103 reviews as of our last analysis date on Oct 11 2023.
Helpful InsightsBETA
Posted by a reviewer on Amazon
I had to change the original terminal screws to a better one to get a better connection
Posted by a reviewer on Amazon
I need to turn onoff a couple of different color leds to indicated a change in status problem is the output of what i am attempting to monitor is a brief closure of a no contact
Posted by a reviewer on Amazon
If i were to end up using these for something permanent rather than temporary i would replace the terminal bocks probably just soldering wires in their place
Posted by a reviewer on Amazon
It turns a momentary signal to a continuous signal
Posted by a reviewer on Amazon
Unfortunately there is scant documentation other than in information that the vendor posts on amazon
Posted by a reviewer on Amazon
For me at least this was not enough to understand how it works and i have no previous experience with relays to fall back on
Posted by a reviewer on Amazon
It took me a few days to figure this out
Posted by a reviewer on Amazon
Please see the attached crude diagram i made that explains the relay itself needs to receive power
Review Count History
Price History
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