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Standard USB type A male and TTL 5pin connector. 5pins for 3.3V, RST, TXD, RXD, GND & 5V. Module has status indicator light, sending and receiving indicator lights. After the driver is correctly installed, the status indicator will be on, the sending and receiving indicators will flash when communicating, and the higher baud rate, the lower brightness.
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.