... USB TTL, USB RS232 converting cableCP2102 chip + MAX3232Openable shell convenient for developing and improvement1.8m from stock. 0.15-5m ... the RS232 level-translator with the CP2102. Direct access driver support is available through the Silicom Laboratories USBXpress ddriver ... Parallel cables, USB to Audio cable. The chips are availavble for PL2303, CP2102, FT232RL, ZT213. SP485, MAX3232, CM119, etc. ...