The Circuit is finished but will not deliver the Current I need. I think thats what it is, any ideas anyone?
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Duration : 0:0:59
[youtube GNaCUFZPRS8]
try puting a …
try puting a resistor in there to stop any currune going backwards into it, that might solve the problem
Its just a basic …
Its just a basic 555 timer circuit powering a relay. I did not work very well either….
Paul..
Can you give me a …
Can you give me a schematic for this?
@kubikop hey ya …
@kubikop hey ya mine did the same thing aas yours did…
Scary that another …
Scary that another commenter probably works for the same company as I do… I know you are going the PIC route now but the 4017 is a seriously useful device for chasers and similar.
lol. (pacient- ” …
lol. (pacient- “doctor i broke my arm in two places” doctor- “well then dont go to those places”)
Hi ya I have gone …
Hi ya I have gone down the PIC route, thanks for the response..
Hello you need a …
Hello you need a diode or a 7555IC or a 555IC
dont put a load on …
dont put a load on the relay that will fix it
i think the same…
i think the same…
the same thing …
the same thing happens to my circuit
if u are used the …
if u are used the same source for the circuit and load perhaps need a diode between the leads of the coil rele, as inverse curent eliminator a electrolic of higt capacity in the source to keep the voltaje.
itrs like signal …
itrs like signal light in car
Hi …
Hi digitalbroadcaster
Thanks for the info, I will move back to these circuits, but I used the bedini method on later videos instead. I will look into the CMOS 4017 because I have a couple, I think I need an opto coupler to do this and not not blow the CMOS. the VF66? do you have specs on it?
I though of using the Ts555 with a schmitt trigger to get duty cycle of 50%.
Any ideas?
Paul..
Paul..
If you just want to …
If you just want to drive the stepper motor, you could either use a stepper driver chip, or a 4017 IC using each stage to drive (via a VF66 transistor) each phase of the motor. This would only give you one direction though. I don’t even know what you are building, but you could be introducing emf into the timer circuit. Have you fitted a back-emf protection diode to the relay by the way? If the motor is a standard non-stepper, then emf could still be the problem. Use separate power to motor.
why use a timer …
why use a timer when you can use the shaft of the motor you will build?It can handle GOBS more current than a chip.20-200 or so milliamps is all you will get with the best 555 on its best day.Instead of building a complex (for most tinkerers)circuit, make it mechanical as much as possible.A battery and 160 degrees of a conductive shaft are sufficient for your switching needs.A reed switch will work too ,but’s no comparison to switching with a big chunk of spinning metal.Take it from an old fool
can u tell me what …
can u tell me what parts i need to make this
that transistor is …
that transistor is not needed
zener diode between …
zener diode between 555 and relay triger
i want it !!!:)
i want it !!!:)
yes coolgyewayne is …
yes coolgyewayne is right the coil is drawing down the voltage
you need to put a …
you need to put a diode in line with your load…
type :
sleep(5000);
type :
sleep(5000);
how can / or can i …
how can / or can i say with C++ sleep 5000 and it will sleep 5 sec ???
plase an answere
transistor? make …
transistor? make the energy thaty lights the LED up to trigger the higher power needed for the motor…