6Pcs DIY Christmas Tree Electronic Learning KitSold By MMM999
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Principle: This is a highly entertaining product, after turning on the power, under the HQS1313 control circuit starts operated by a variety of tricks, D1 - D11 is a light emitting diode, under the...Read More…
This is a highly entertaining product, after turning on the power, under the HQS1313 control circuit starts operated by a variety of tricks, D1 - D11 is a light emitting diode, under the control of HQS1313 orderly lit, R1 is the limit flow resistance. You can use two AA batteries, easy and convenient. Through simple and fun circuit to stimulate interest of the electronic technology beginners.
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