Jun 8, 2004 #1 B Bhavik Shah Newbie level 6 Joined Apr 26, 2004 Messages 13 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 126 bcd hex ic Q1)which IC can be used as a BCD to HEX converter? Q2)circuit diagram or methodology for interfacing 4 thumwheel switches & 4 digit 7 segment display?
bcd hex ic Q1)which IC can be used as a BCD to HEX converter? Q2)circuit diagram or methodology for interfacing 4 thumwheel switches & 4 digit 7 segment display?
Jun 8, 2004 #2 papyaki Advanced Member level 2 Joined Apr 13, 2002 Messages 537 Helped 38 Reputation 76 Reaction score 19 Trophy points 1,298 Location France Activity points 5,346 bcd hex c Hi, Q2/Thumbwheel switch. Common pin connected to ground. Each other pin connected to an input port of a mcu or to an input of a buffer with a pull up resistor. Q2/7 segment see this schematic as an example : h**p://chaokhun.kmitl.ac.th/~kswichit/2051/7-seg/7-seg.htm * = t
bcd hex c Hi, Q2/Thumbwheel switch. Common pin connected to ground. Each other pin connected to an input port of a mcu or to an input of a buffer with a pull up resistor. Q2/7 segment see this schematic as an example : h**p://chaokhun.kmitl.ac.th/~kswichit/2051/7-seg/7-seg.htm * = t