3Pcs CD4017 Voice Control LED Flashing Kit Electronic DIY KitSold By MMM999, Ships from Tunisia
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Features: The circuit is easy to install, just need to correct welding, after completed soldering, you can normally use it. The microphone turn the external sound into a current signal, amplified ...Read More…
We don't offer any manuals, only has schematic, please note about this before you buy it, sorry for the inconvenience.
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