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11PCS 3mm LED lights, 10pcs LED used for level indicating, 1pcs LED used for power indicator. Board with an level amplification(use 741. Yellow: Connect the signal line positive, green: Connect the signal line negative (outer layer,shielding layer). ).
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.