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  • Calculate number of outputs SN74LS138

    Other Parts Discussed in Thread: SN74LS138 Hi everybody, I have a question regarding full color displays. As you know, normally to select the active line in LED displays we use a demultiplexer (SN74LS138) for example which outputs are connected to MOSFETs…
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  • TMS320F28377S: 7segment-LED control circuit

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    Part Number: TMS320F28377S Other Parts Discussed in Thread: SN74LS138 , C2000WARE Using TMS320F28377Ss and ICM7228(or ICM7218), I want to control 7segment-LED. Please tell me the LED control circuit using A and B, when using GPIO, and when using the Line…
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