Im using a coin acceptor for 5 types of coins, IC 74LS47 BCD a 7 Segments and one display 7 Segments 4 digits, The main problem cant´display the number of value of the coin in my display , i connected by serial port . So i need to insert the coin and register the quanty of ten credits, besides $1 …

HELP WITH COIN ACCEPTOR TO DISPLAY THE VALUE OF COIN ON DISPLAY 7 SEGM 4 DIGITS

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