Bit of RC servo help please

[collectors]

Hi, i wanted a cheap pan & tilt camera holder that was RC controlled & picked up a very cheap transmitter & receiver from good old China for £14 & it works fine with the exception that the joystick is very sensitive with no adjustments. I basically want to slow the movement down.
Would a pot on the signal wire work & if so what size. Or any other suggestion. Thanks.

 

[PhilP]

The control pot is probably 10k. - Value might well be printed on it?

I think I would fit a 100 ohm pot at either end of the control. This would give you 'trim' for either end, the stick would then have a move limited range, giving you finer control.

I would not go more than 10% of the original pots value. - You may also find the stick only operates the existing pot over part of its range.

PhilP

 

[collectors]

The control pot is probably 10k. - Value might well be printed on it?

I think I would fit a 100 ohm pot at either end of the control. This would give you 'trim' for either end, the stick would then have a move limited range, giving you finer control.

I would not go more than 10% of the original pots value. - You may also find the stick only operates the existing pot over part of its range.

PhilP

Thanks Phil. What it was, the joystick has to be moved very gently & slowly. But with someone that gets the shakes at the best of times, its hard. I may also look at somthing to make the joystick longer.

 

[GAP]

Thanks Phil. What it was, the joystick has to be moved very gently & slowly. But with someone that gets the shakes at the best of times, its hard. I may also look at somthing to make the joystick longer.

Open the transmitter up, find the joystick pot and bring it out to the front panel, then put a knob on it.
I did that with my throttles I get very fine control.

Reconfiguring/Repackaging a 2.4GHz transmitter to control 4 locos

My current method of controlling the locos bound to different transmitters on my railway involves me carrying multiple 2.4GHz aircraft stick...

ringbalin-light-railway.blogspot.com

 

[dunnyrail]

Open the transmitter up, find the joystick pot and bring it out to the front panel, then put a knob on it.
I did that with my throttles I get very fine control.

Reconfiguring/Repackaging a 2.4GHz transmitter to control 4 locos

My current method of controlling the locos bound to different transmitters on my railway involves me carrying multiple 2.4GHz aircraft stick...

ringbalin-light-railway.blogspot.com

That sounds like a solution, I have Fosworks Tx and Rx units for my Roundhouse locomotives. The difference a control knob makes is a big help.