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by lazyjones 4544 days ago
If you need WiFi, you could start with one of those low-cost DD-WRT/OpenWrt compatible routers ($15-20 or so: TP-Link TL-WR740N http://wiki.openwrt.org/toh/tp-link/tl-wr740n). They have little RAM, but plenty of I/O (serial, RJ45) and they're still almost "palm-size".