When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
1 x NE555+CD4017 LED Light Water DIY Kit Electronic Suite Lamp Module Red. The kit mainly by the clock generation circuit and decimal counter circuit constitute. Adjust VR1 to adjust the flow rate of the LED lights.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.