cyberpred
Sr Member
OK
I have looked all over the net and have not see a count down gauntlet that looks like the first movie. Where there is a display of sequencing lights in each window that turns off in succession.
So here is what I made in the 80s and will give you an idea how to do it.
Will take some work on your part as I am not posting a schematic or wiring diagram.
I used a one shot monostable multivibrator using a 555 for the main power to run through. 5volts is a good voltage considering that the circuit is cmos. So when the one shot is activated it sends a 5volt pulse to the rest of the circuit. You can adjust the time of the pulse by altering the rc time. I recommend using a pot for the resistor.
You will have to build a one shot for each of the led sequencing displays. This will control the on off for the displays. You can then adjust the 5 volts out so each one turns off in succession like it is supposed to.
The sequencing circuit is nothing more than using a 4011 wired up as an astable multivibrator or clock.
The output of this clock goes into the input of a 4017. T 0-9 outputs of the 4017 then go into a ca3082 transistor array chip. This chip will jack the current up so the leds are bright.
You will have to build a circuit like this for every window on the gauntlet.
This circuit works great. Get some kaynar wire or wire wrapping wire to do the pinpoint wiring.
Cary
I have looked all over the net and have not see a count down gauntlet that looks like the first movie. Where there is a display of sequencing lights in each window that turns off in succession.
So here is what I made in the 80s and will give you an idea how to do it.
Will take some work on your part as I am not posting a schematic or wiring diagram.
I used a one shot monostable multivibrator using a 555 for the main power to run through. 5volts is a good voltage considering that the circuit is cmos. So when the one shot is activated it sends a 5volt pulse to the rest of the circuit. You can adjust the time of the pulse by altering the rc time. I recommend using a pot for the resistor.
You will have to build a one shot for each of the led sequencing displays. This will control the on off for the displays. You can then adjust the 5 volts out so each one turns off in succession like it is supposed to.
The sequencing circuit is nothing more than using a 4011 wired up as an astable multivibrator or clock.
The output of this clock goes into the input of a 4017. T 0-9 outputs of the 4017 then go into a ca3082 transistor array chip. This chip will jack the current up so the leds are bright.
You will have to build a circuit like this for every window on the gauntlet.
This circuit works great. Get some kaynar wire or wire wrapping wire to do the pinpoint wiring.
Cary