Adjustable timer circuit using relay
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- čas přidán 13. 11. 2019
- Hello friends, today in this video I've shown how to make a delay timer circuit.
Components required for this project:-
1 x MOSFET irfz44n
1 x 1000uf 16V capacitor
1 x 33K resistor
1 x Push buttom
1 x led (Optional relay)
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Nice circuit - keep it up.
Thank you so much ot works great
Very good job, This is very useful circuit sometime, thanks bro 😀👍
Very simple. Nice!
Wow.....super project
I like it sir.... Thanks
nice circuit And It is Almost similar to a timer delay relay!
Thank you
Nice
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Good
Use a diode to protect your circuit from reverse voltage at relay contacts
Elementary easy stuff
would it work using 3.6 volt?
I see the capacitor and reisitor is in parallel with DC source. Will the current be infinit when you turn on the switch? Why there is no resistor in series with capacitor to clamp the current flowing through?
Will, Adjestable timer for use (variable Resistor) 240K or Preset
Can I use this circuit with 4A 12V load? And what resistor should I use for 30 second?
How to connect variable resistor for tuning the time limit
Please explain.
Please tell me how to reverse the operation
If we want that after power on led should remain off for 10 min and then remain on
45 sec or minutes timer..relay spec?
Hello Friend
I have control of the garage door connected to the high beam of my car. So that when I blink the light turns on and the gate opens. But if I need to walk with the high beam on, the control will burn. So I need a timer to prevent the controller from burning out, but leave the high light on when needed. Can you help me? Thank you
What is the capacity of diod u put to relly?and what is the relly capacity to in oder to work with ac water motor? please help.
Sir 2sec.parkon sa resistor lagta ha
What if push button is kept on.
A jak zrobić by świeciło na stałe?????
1.5 battery to bc &bc up 24v.12v
Can it cut off in 5 secound
Need circuit without any push button by simply on off switch
Do you just try stuff or do you know stuff? Lol. I’d like to see a police strobe for use in small models. Modern strobe with red white and blue. I know you’ve done some but looking for modern style. Thanks!
Video will be uploaded, stay tuned bro
Tech Ideas awesome!! I know I can but for $5 but I want to know how to do so I can tweet for my needs. Love your channel.
How can I change its time using potentiometer? Give us circuit.
Sir which value potentiometer can I
use with buzzer , thank you sir
If you're still interested you can see that a 33K resistor gives you 40 seconds. So, if you use a 50K potentiometer and turn it until around 33K (this exact resistance would have to measured with a multimeter on the potentiometer but you could guess to turn it just more than halfway) you would get 40 sec. If you wanted longer times that the 50K potentiometer would give you than go to 100K, and so on. A 5K potentiometer would give you a much shorter range of "turn on" time, say a range from 0 to 10 seconds. Think it through and it'll start to make sense.
So let me see if I understood, the capacitor stores 16v and depending on the resistor it releases the voltage fast if the resistor is low, if it is high it takes longer for the current to pass meaning taking longer to spend the 16v in the capacitor?
Am I right?
You are absolutely correct bro
Yes, and that's the origin of the circuit
ممتاز
Circuit diagram at 0:32
İlk yorum +1
Can this be used to cut a 12v power supply (pulse) at say .25 second. (quarter of a second)
pretty short time. I would probably guess starting with a 100 ohm resister. A variable potentiometer could be used to vary your times.
@@peetre short time to protect a small push pull solenoid. Want power to solenoid to stop once it has done its snap pull.
From circuit above yes you can..it have calculation T = 1.1 x Rohm x Cfarad if used 220Kohm you will need C 100uf for 0.40 second or C 220uf for 0.8 second (C capasity available in the store) or using potentio to choose time that u want, but remember to use maybe a quarter of potentio because if you used minimum in potentio it will burn.
Mosfet more powerfull than BC&555, it have long duration and equal V&I in with out.
@@HeritageExplorer I agree, thank you, along with a diode for reverse voltage.
@@peetre Thanks guys. Up on till this video there was nothing on CZcams dealing with timers for periods less than one second. Everything seemed to be from one second to 999 seconds. Just last Monday I ordered a timer from the UK for this purpose and I await it in the post. This thread now provides the potential that I could DIY it.
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Light turned on once
Switch is on
And off after delay.
Then... nothing
And again when switch is off and on.... circuit activate second time and then off after delay