Making the GT2b controller less sensitive

[Samuraijaq]

Hi

I am really happy with the GT2B controller. However, I find the trigger is a bit sensitive. This especially becomes hard when trying to just cruise in a certain speed. I was wondering if anyone has solved this problem? (e.g. like putting rubber or a spring behind the trigger for resistance).

I do not want to change the controller to a Wii nun chuck or anything else. I just want to decrease the sensitivity of the trigger.

 

[torqueboards]

You can adjust the ESC settings and/or trim settings on the GT2B. Should fix your issues.

 

[Samuraijaq]

Thanks for the quick reply.

However, I still want the full throttle. I just want the trigger to be stiffer/ more resistance.

 

[Njakts]

I think adding capacitor to output pin of trigger potentiometer will smoothen things out.

 

[thisrealhuman]

I recently fried my GT2B receiver so in a pinch, I bought a TX/RX combo from a local shop.
http://www.hobbypeople.net/index.php/lhs-electronics-spark-3-pistol-grip-car-radio-2-4ghz-wp-rx.html

The Spark3 has two knobs on top for CH2, EPA (end point adjustment, had to google it) High and Low. The low doesn't do anything that I can notice, but the high sets my top speed when the trigger is bottomed out.
I can set my 25mph board to cruise at 10mph with the trigger all the way back, and there's a slight curve to the responsiveness now. It's like instead of the board being yanked by a chain, I'm being pulled by a rubber band.

If the GT2B could do this, it would be perfect. I've had the spark3 apart, the board is approx 2"x4" and all the wires are soldered, it's WAY too complicated to be minimized as easily as the GT2B.

 

[RogerD]

The OP wants to stiffen the action of the throttle lever, not adjust the range or sensitivity. He just wants to make it harder to move by accident.

Only two things can do this 1) using EXPO which the GT2B doesn't have. 2) adding something physically resistive - which would be very hard to do without then making it jerky when breaking the resistance.

I'd just leave it - you do get used to it quickly. If your board is so sensitive that a tiny touch of the remote has a drastic effect then I'd look at changing something on the board or ESC (Vesc?)

 

[bandaro]

The OP wants to stiffen the action of the throttle lever, not adjust the range or sensitivity. He just wants to make it harder to move by accident.

Only two things can do this 1) using EXPO which the GT2B doesn't have. 2) adding something physically resistive - which would be very hard to do without then making it jerky when breaking the resistance.

I'd just leave it - you do get used to it quickly. If your board is so sensitive that a tiny touch of the remote has a drastic effect then I'd look at changing something on the board or ESC (Vesc?)

I think Roger has it right, let's look at the end result and work back.

However, if the B is the same as the E (it should be) then the trigger return is operated by a spring in tension. This being the case, you are able to simply open up the transmitter and either replace that spring with a stronger one or add a rubber band or similar to increase the resistance.

DO NOT try wedging something in there to increase friction to make it stiffer though, this could result in the trigger being stuck on and you going flying into a wall.