XHY256-DEMO-V1 Users Manual: XHY56-DEMO-V1_HWUG_0.pdf Schematic: XHY256-DEMO-V1_SCH_A_0.pdf Other File: Quick Start Stepper Motor User Manual S-Tek GD-5506P_1.pdf CodeWarrior for HC(S)12 Demo Project XHY256-DEMO-V1_Assy_A.pdf Links: http://www.stek-inc.com/ http://www.vid.wellgain.com/en/index.asp FAQ: CAUTION: Do not apply input voltage greater that +12VDC to Rev A boards. Damage to the board may result. The applies to Rev A boards only.