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Hi,
Somebody knows a simple circuit that convert BCD number to a series of pulses, for example if your input is the BCD 0010 the the result output is 2 pulses (the inverse of a BCD counter).
Thanks.
Let me try to explain it once again.
I have 15 boards with one switch each one, I need to know the card that the user has pressed the switch.
My first option was send a cable for each switch to a digital input bit, so I will need 15 digital inputs bits.
Then I think in using some kind...
If I use a priority encoder I need to have 1 cable per switch, my idea is to have the 4 lines bus to all the 15 boards and only when one switch is pressed, read the address on the bus.
My question is if I do the conecction for the 15 boards to the Bus is correct?
Thanks
Hi to all,
I'm new at this forum and I need support with an idea for a data bus.
I'm using a PC and a NI digital card to control 15 boards with a led and a switch, I need to identify in wich board the user has pressed the switch, so instead of using a 15 input lines to the digital card...
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