StepStick BOM mysteries September 30, 2011 04:38AM |
Registered: 16 years ago Posts: 33 |
0,2 RESISTOR 0805 SparkFun
TRIM TRIMPOTSMD TRIMPOT-3MM SparkFun
CLONOLU CLONOLU CLONOLU pololu-allegro
Re: StepStick BOM mysteries September 30, 2011 06:19AM |
Registered: 13 years ago Posts: 7,616 |
Quote
What are the specs of this trimpot?
Generation 7 Electronics | Teacup Firmware | RepRap DIY |
Re: StepStick BOM mysteries October 01, 2011 11:52AM |
Registered: 13 years ago Posts: 10 |
Re: StepStick BOM mysteries October 01, 2011 01:42PM |
Admin Registered: 17 years ago Posts: 7,879 |
Re: StepStick BOM mysteries October 01, 2011 02:21PM |
Registered: 16 years ago Posts: 33 |
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nophead
You want them well matched so that the two coil currents are matched to give accurate micro-stepping.
Re: StepStick BOM mysteries October 01, 2011 03:44PM |
Admin Registered: 17 years ago Posts: 7,879 |
Re: StepStick BOM mysteries October 01, 2011 04:18PM |
Registered: 16 years ago Posts: 33 |
Re: StepStick BOM mysteries October 01, 2011 05:01PM |
Admin Registered: 17 years ago Posts: 7,879 |
Re: StepStick BOM mysteries October 01, 2011 05:58PM |
Registered: 16 years ago Posts: 33 |
Quote
nophead
The values of the resistors need to close to each other so that means unless you hand select them you need close tolerance resistors. Yes 1% will be fine.
Re: StepStick BOM mysteries October 02, 2011 03:01AM |
Registered: 13 years ago Posts: 10 |
Re: StepStick BOM mysteries November 22, 2011 02:37AM |