Changes
/* Serial Interfaces */
* [[Simple RS232 for Printer usage]] (DIY) (one-directional, transmit only)
* [[Spectre Comms Serial Interface]] ([[Spectre Communications]])
* [[Vortex Disc Drives]] (disc drive/interface with optional RS232 port) ([[Vortex ComputersystemComputersysteme]])
* [[Z80-SIO dual ports RS232 interface for CPC (French)]] (DIY)
* [[Dual RS232]] ([[Timatic Systems]])
