No problem, you'll surely be able to find datasheets, e.g. for 7490 counter and 7447 7-Segment decoder. Wire the counters for the intended digit number and connect the pulse signal to the input.I prefer using any IC chips than PIC.
Yes, but to keep the level specification exactly , HCT4511 would be needed at a TTL output.Can i use 74ls90 and 74HC4511 insted of 7490 counter and 7447 7 segment decoder?
I didn't notice yet, that this assumption is incorrect:how i going to make sure that the counter count each time is equal to 1second?
Actually, power has to be integrated or summed up to get energy, not averaged.Note that averaging the power(this is the output of VDC) over a period of time we get the energy.
I think, I clearly told it's an example. The actual relation depends on scaling of your power signal and the V/f scaling implemented with the LM331 circuit. I don't know about either.is the true condition or just an example
No, it's not related to a time unit. With the scaling assumed in my example (it can be different) 1 count can mean e.g. 100 seconds multiply 10 W or 10 seconds multiply 100 W. The unit is energy measured in kWs.Means each count in the decade counter represent 1s in practical?
Im really confused
1 W/Hz = 1Ws (energy). If you count (integrate) it over 1s and display the count, you display Ws/s = W , which is power. If you simply let the counter run and display its content, you don't integrate over time, but "count" the consumed Ws, in this case your display shows the consumed energy.... 1 Hz/W, then a gate time of 1 s achieves a display in W
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