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- RFID编程 Delphi控件源码 操作系统开发 -RFID Programming Delphi VCL OS development
LineStateDet.pes
- Determines bias voltage at switch on. Must be on-hook and snoop resistors disconnected. Once bias is determined, snoop resistors may read the line voltage. Relative changes in line voltage to bias are used to determine the line state. conta