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4.89 out of 5
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    2019-10-08 06:01:59

    Cute gadget. A beating heart with blue LEDs. Easy to make, good quality PCBs as well as various electronic components. Recommended for hobbyists and electronics enthusiasts.

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    2020-01-17 15:58:59

    Kit was complete. Instructions & schematic were available through a link from my purchase history in Banggood. project took me about an hour to assemble. Power supply not included was not a problem for me and not really expected for the price. Could have used a nice slim connector for the power supply wires... 3 Extra LEDs in the package :) When I set the pulse rate for and actual heartbeat timing, the LEDs don’t dim very much. The pulse time is directly proportional to the brightness of the

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  • gus
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    2019-10-11 15:29:52

    Item received on time and as specified in description. Nice kit, fun and easy to assemble and works well.

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    2019-06-11 01:18:27

    Fairly straight-forward child-friendly soldering project. We soldered a bunch with a group of children as father's day present. The only disadvantage is that the IC does not have a footer. They worked like a charm!

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    2020-01-26 10:44:11

    Pretty good delivery time, everything was good quality. Easy to solder.

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    2020-01-18 08:31:52

    Funny heart breathing simulator.

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    2020-04-17 13:06:19

    Great item for beginners , but again NO Build Instructions.

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    2020-01-29 04:51:02

    ok

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