DIY Double Color Flashing Lights Kit Electronic Production NE555+CD4017 Practice Learning Kit
Description: The suite,adopt a warning lamp circuit NE555 and CD4017 chip simulation to make blue LED and red LED flashing, respectively, according to the pulse adjusting RP1 flicker frequency can be adjusted. Working circuit voltage of DC9-12 v, suite do| $732 | Dr Tech Love | |
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