If that is the case, why are you using a CD4017 Johnson counter?

I would have selected a toggle flip-flop using either a D-type or J-K flip-flop such as CD4027.
I would replace the transistor with a hex inverting Schmitt trigger such as CD4584.

 

i wanted to use 4027 but i dont have it so i chose 4017 which i have^^
if using 4027 better than 4017 i will take one

Also i wanted to use 4093 instead of transistor so which is better 4093 or transistor
also the design need to modify if i replace the counter and the transistor ?

thanks for ur appreciated effort

 

i increased R6 from 220 to 470 because when the button pressed the voltage across the capacitor about 1.5 V .

 

Run the signal from the RF receiver through one 4093 gate as an inverter. That output drives pin 3 of U1A. The pushbutton drives pin 2 of U1A. U1A pin 3 drives the 4027 pin 3 directly. Both diodes and R7 are deleted. If the RF receiver output is a relay, add a 10K resistor to GND.

ak

 

is it ok now ?

the output of the receiver 0 once the button on the remote pressed it will go high ..

^_^

 

OK, but there is no need for U1C and U1D. The button input can drive U1A directly.

ak

 

OK, but there is no need for U1C and U1D. The button input can drive U1A directly.

ak

i know but i used them to ensure that the other two gates' inputs connected ..
I read that it would be better if u don't leave any inputs not connected

why we choose R6 around 220 ohm not 10k as usual

regards

 

If you are going to use a Schmitt trigger NAND gate, here is a better way to debounce the switch:

 

If you are going to use a Schmitt trigger NAND gate, here is a better way to debounce the switch:

View attachment 129451

thanks a lot



is it ok now ?

 

Looks good, except eliminate R1 since we now have a much lower value capacitor on C4, 0.1μF.
D1 can be any switching diode, 1N914, 1N4148.

 

Looks good, except eliminate R1 since we now have a much lower value capacitor on C4, 0.1μF.
D1 can be any switching diode, 1N914, 1N4148.

thank you

is there any problem if i use a wire like in the picture below with push button ?

 

Looks fine except the photo does not provide a reference scale to tell what gauge wire it is.
Lamp cord is about 18AWG, I think.

 

Looks fine except the photo does not provide a reference scale to tell what gauge wire it is.
Lamp cord is about 18AWG, I think.

1.5 mm2

 

This wire gauge chart suggests that that is between 16AWG and 15AWG.

15AWG = 1.65 mm2
16AWG = 1.31 mm2