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Switchable output TTL level 3.3V/5V (with jumper). Color: Golden. Module size: Approx. Used to upgrade various device. With power light PWR, TXD and RXD indicator light.
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.