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| This simple counter can be used to count pulses, as the basis for a customer counter (like you see at the doors of some stores), or for anything else that may be counted. The circuit accepts any TTL compatible logic signal, and can be expanded easily (see Notes). |
Schematic |
7 Segment Display Reference |
Parts |
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Notes |
Related Circuits |
Comments |
| I've been loking for a simple counting circuit like this for the last 4 days. Thank you. | ||
| I have a problem in using 7 segment display. I designed a counter from 0 to 9 and I want it to display in big 7 segment 6x8 in size. But the voltage of big 7 segment display is 12V and the 74ls47 bcd converter only 5V supply. What can I do, Thank you very much | ||
| I need the program which calculate the value of resistance and capacitor to use timer 555 IC in astable mode I need help | ||
| I WANNA KNOW HOW IT WORKS? | ||
| i wanna the connection diagram on the 7476 ic for counter that count from 0 to 3 , need help | ||
| i need to make a counter that able to trigger(add & minus value) the seven segment display using a light sensor.Example is that when a car stop under a light sensor it will minus value in the current seven segment sector & when the car left, it will increase value for the seven segment display.If anyone got any relevent infomation please e-mail me.THANKS. | ||
| how can i make an up-down counter that will initialize at 20 and then either decrement or increment? | ||
| Hi all! I have a problem. I have built this circuit I only replaced the Display Driver IC with an other (4511) but the circuit does not works as it should. I have also built a 555 astable to generate pulses for the input. When I connect them than the counter counts like this: 0,1,2,3,c,b,4... I don't know what is the problem. Any help is appertained! Thanks in advance! Bye! | ||
| i need to build a 2 digit,7 segment display, countdown timer how do i? thanks. especially how to connect two counters to read the countdown and to the 7-seg display | ||
| im using 2 seven segment 2 74HC595 CONNECTED TO THE PIC!HOW CAN I CONNECT THE 2 SEGMENT TOGETHER TO HAE 0-99 READOUT | ||
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