[sdiy] I finally did some SDIY this weekend

[Mark Romberg]

cermet compounds are MUCH harder than carbon, so pots with this as the 
resistive material should last longer and wear more slowly.

have nice days.

On 28 Jun 2004, at 18:21, The Peasant wrote:

> I was planning on using a slide or rotary pot, and to derive the 
> velocity and
> acceleration (or maybe just velocity) electronically, but I'm 
> concerned about
> pot wear. An optical encoder (and I already have a few) would solve 
> the wear
> problem but would add circuit complexity. Guitar pedals seem to do OK 
> with
> pots, but I think a hit-hat pedal will get much more use in a short 
> period of
> time.
>
> I think I will experiment with some better quality pots and check wear 
> rates.
> Does anybody know if cermet pots wear better than carbon?
>
> Take care,
> Doug
> ______________________
> The Electronic Peasant
>
> www.electronicpeasant.com
>
>
> Quoting Roman <modular at go2.pl>:
>
>> ADXL acceleration sensors from Analog Devices
>> or one of gyroscope series they recently released
>> geared pedal with motor, so full travel of pedal gives like 10 
>> revolutions
>> of the motor
>> or rotary encoder instead of the motor. If you get industrial one
>> with 1000ppr then gear is not even needed.
>> Or simply slide potentiometer as CV generator
>>
>> Roman
>>
>> ----- Original Message -----
>> From: "The Peasant" <ecircuit at telus.net>
>> To: "James Patchell" <patchell at cox.net>
>> Cc: <synth-diy at dropmix.xs4all.nl>
>> Sent: Monday, June 28, 2004 6:39 AM
>> Subject: Re: [sdiy] I finally did some SDIY this weekend
>>
>>
>>> striking position. I am designing a hit-hat pedal as well, with 
>>> position
>> and
>>> acceleration outputs. Any and all suggestions/comments/discussions 
>>> are
>> welcome
>>> and appreciated!
>>>
>>> Take care,
>>> Doug
>>> ______________________
>>> The Electronic Peasant
>>>
>>> www.electronicpeasant.com
>>>
>>
>>
>
>