pkumar

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  1. Serial Issue Problem: Not able to receive the proper voltages on the serial chip U27 on board. Connection Diagram: see attached file Wrokouts: 1. As shown in the figure a extranal device is connected to Flo with help of 14 pin cable. 2. 14 pin cable in turn goes to serial chip U27 in device i.e Flo 3. The connection is Tx to Rx and vice versa for connecting external device and Flo. 4. Now external device sends the serial information on the serial connection that in turn Flo should receive at U27. 5. It receive the serial information means that there should be some voltage change at Tx and Rx p