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 CH9121 Serial Port to Ethernet Network Module. Interface standard: TTL serial port, 2.54MM pin, 3.3V or 5V level. Interface standard: RJ45 interface. Module testing: test software (network, serial one).
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.