W6100-io is a compact size community module that includes a W6100 (TCP/IP hardwired chip and PHY embedded).It may be used to be a ingredient and no effort and hard work is necessary to interface W6100. W5100S-io is usually a compact sizing community module that features a W5100S (TCP/IP hardwired chip https://miloxxwvr.blogdon.net/wiz-net-dubai-secrets-46294761