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It employs the PC817 optoisolator, which is known for its optical isolation capabilities. The module incorporates a jumper switch that allows you to toggle the output between high and low states. We will do our best to help you to resolve your problems.
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.