556 speed control narro range

Thread Starter

lancellot07

Joined Jul 2, 2012
17
anybody who can comment on the attached schematic speed control1 ? is it really a narrow range of control?
What can be done to widen the range if it is narrow range?

What about speed control 2? is there a problem on speed control 2?

thanks in advance for comment and suggestions..
 

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