Recent content by johngo

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Hi, if I have understood the datasheets for the Dallas USB adaptor DS9490R and serial adaptor DS9097 right, the pinout on the RJ11 for 1-wire data and 1-wire ground is different. On DS9490R: Pin3: OW (1-Wire Data), Pin4: GND_OW (1-Wire Return), On DS9790U: Pin3: GND, Pin4: 1-W. The...