Desain Counter Up Ewb
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I'm trying to understand how I can set my own sequence of numbers with a 74ls90(decade counter) and 74ls47(BCD to seven segment decoder). I've manged to understand to understand to figure out how to reset a count if the numbers are consecutive(0.1.2.3.0.etc.), but I'm having trouble trying to set 0,3,4,7,0 or 0,2,4,6,0.
Components. LM358 IC - 1. 555 timer IC -1. Voltage Regulator 7805 -1. 150 Ohm - 2. CD4033 -2. 10K resistor -2.
100K resistor -1. 10K POT -1. 220uF capacitor -1. IR sensors-1. Bread board-1. 9 Volt Battery -1. Battery Connector-1.
LED -2Circuit Diagram and ExplanationThe circuit diagram of object counter is quite similar to my previous project but a little complex. In this circuit we have used a comparator ( IC LM358) and pair for detecting a object. And then we have used a to generate a pulse for triggering the seven segment decoder (CD4033) and two common cathode are connected with 7 segment decoder IC. 555 timer IC is configured in mono-stable mode for generating pulse. A LM7805 Voltage regulator is used for providing constant 5 volt power supply for the circuit.
Mod 6 Counter K Map
And a 9 volt battery used for powering the whole circuit.WorkingIn this circuit we detects object by using IR sensor and comparator and then we applied output of comparator to mono-stable multi-vibrator. This mono-stable multi-vibrator generates a pulse of fix time period which can be set by using given formula.T=1.1RCIn this circuit we have selected R1 is 10K and C1After getting a pulse from 555 timer we applied this to clock pin of 7 segment decoder (U4) and then carry out signal (pin 5) to clock pin of another 7segment decoder (U3). After getting pulse from 555 timer 7 segment counter changes number value of segment display.
And when number counting reaches at 10 in U4 decoder then it sends carry out signal or pulse to seconds 7segment decoder (U3) and then second display changes his number value. And this process repeats again.
This object counter circuit can count 00-99.
Mod 6 Counter Using Ic 7490
Hello SK,I tried but each time I got the same error message 'External number assignment not authorized'.The purpose to create a new group counter for a same routing group is not to create a rate routing nor to add ALT seq. In fact the routing group number ie. 5000000 with counter 1 will serve as 'template' routing.Then when I want to make a material-routing assignment I will not do it on my 'template' routing counter 1 but I would like to make assignment on same group 5000000 with counter + 1. By this way I keep my 'template' routing shared by all materials link to it, and if I modify this 'template', I think changes will be reflected to all group counter + 1?Thanks,Franck. 0.