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By John Smith Rating:  [4 of 5 Stars!]This is a fun little holiday project for someone with average soldering skills. It will take a little longer than you expect, but the result is good. One issue I'm having is that the green LEDs on CTR-30B are very faint compared to CTR-30A. I cannot figure out why this is, but when I check the video associated with this product, it looks like the same green LEDs are faint in the video as well. For that reason, I believe there might be an issue with the circuit. Perhaps the resistor values are incorrect. That said, the project still came out well.
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By Rating:  [5 of 5 Stars!]Cuando va tener más de este producto
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By Alex Bell Rating: [5 of 5 Stars!]This thing is sick, does exactly what it said it would. I use it in my fridge to play music when you open the door lol
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By Gaurav Kumar Rating: [5 of 5 Stars!]Mujo chahiye
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By Rating: [5 of 5 Stars!]This module works pretty well. I have set it up to protect a 3s lithium polymer battery (minimum voltage 9v) and even though it's supposed to be minimum voltage 12v it works well with this setup.
The left button controls the disconnect voltage and the right button how much greater than that it needs to be to reconnect. I advise a minimum of 0.5v with lithium battery to avoid short cycling and wearing out the relay too fast.
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By Steven Greenfield Rating: [4 of 5 Stars!]Once I repaired them, they work. One was connected backwards, and both had loose screws in the connector. Note that the one on the left has the red wire on the right (incorrect) and the one on the right has the red wire on the right. You can see the screws are very loose, especially the rightmost screw, it was half out.
They seem to be working fine, now that I've repaired them.
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By Rating: [5 of 5 Stars!]My timer xm-452 show HHH on humidity display .please suggest me solution how I can correct it..
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By Rating: [5 of 5 Stars!]My timer xm-452 show HHH on humidity display .please suggest me solution how I can correct it..
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By Tyler Mitchell Rating: [5 of 5 Stars!]Great project! Could use a little more protective packaging and the heat sink tears the bag, but package arrived in good writing order.
Please advise if this input power transformer is suitable - it's hard to find and we need English instructions, though board is very clearly labeled good job :)
https://www.newark.com/triad-magnetics/vpp36-1560/power-transformer/dp/37B9213
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By Tyler Mitchell Rating: [5 of 5 Stars!]Perfectly designed with all the parts you could need, including wiring, input and power connectors. Took about 2 hours to build as a training project with someone new to soldering. I will buy more because it's a beautiful kit!
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