relay interfacing with fpga universal development board

  
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The Universal Development Board has external 5v Relay interfacing, indicated as in Figure. ULN2803 is used as a driver for FPGA I/O lines, drivers output connected to relay modules. PTB connector provided for external power supply if needed. Signal LEDs for each relay help you to easy determine current relay state.
relay interfacing with fpga universal development board - schematic




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