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4.77 out of 5
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  • 08/09/2019

    Nice module. Not yet tested, but the form factor is nice and small, and it will make a great addition to my upcoming project.

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  • NielV

    Sensitivity is perfect. It does need a higher voltage, about 8V min and can go fairly hight, guess 40V. Voltage regulator is a 78L05 with a zener and transistor on the input to increase the range. I did not bother checking how high it can go, just bypassed the regulator as I need it to run off 5V. Processor seems to be a PIC micro but markings filed off, certainly not ATTINY because supply pins are different. Output is GPIO with 2k2 in series, there are pads to solder a transistor in place to drive high current. If you do want to modify it, the sensing RF module is easy to remove by desoldering the pins with solder wick (leave the pins on the processor board). The output is driven for 2 seconds when power is applied. Current consumption is 24mA.

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  • 30/12/2020

    Not yet tested, but with all the tutorials one can find on the internet, it won't be hard to use it.

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  • 30/04/2021

    very good

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  • 15/04/2021

    Very happy works well.

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  • 31/01/2021


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  • 27/02/2018

    the first item I recieved failed to run but the second item re send was disappointing because it will not run on 5 volt from the arduino uno board you need to draw power from an external source to make it work 5.6 volts will activate this item

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  • 20/07/2020

    everything seems fine so far

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  • 01/04/2020

    quick sending. not tested yet . seems to be a good product

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  • 03/11/2019

    Arrived and works fine.

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