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Tweak e-steps 

After getting my extruder to work reliably on a Vref of 1.100V on the TMC2208, I had to adjust my e-steps quite a bit from the original value from Anycubic. Assuming you have a TMC2208 on a similar voltage, this might work well right after flashing, calibrating your e-steps is recommended in any case.
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David Ramiro 2018-11-17 19:43:48 +01:00
parent 486e7fbf7d
commit 77ceef9625
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2 changed files with 3 additions and 2 deletions
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2
Marlin/Configuration.h
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@ -612,7 +612,7 @@
* Override with M92
* X, Y, Z, E0 [, E1[, E2[, E3[, E4]]]]
*/
#define DEFAULT_AXIS_STEPS_PER_UNIT { 80, 80, 400, 92.6 }
#define DEFAULT_AXIS_STEPS_PER_UNIT { 80, 80, 400, 105.24 }
/**
* Default Max Feed Rate (mm/s)

3
README.md
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@ -29,8 +29,9 @@ While the i3 Mega is a great printer for it's price and produces fantastic resul
#### Or download precompiled hex:
- Choose the correct hex file:
- For TMC2208 with flipped connectors, use `Marlin-AI3M-XXXXXX-flipped.hex`
- For TMC2208 with connectors in original orientation, use `Marlin-AI3M-XXXXXX.hex`
- For TMC2208 with flipped connectors, use `Marlin-AI3M-XXXXXX-flipped.hex`
- If you use the original stepper motor drivers (Pololu A4988 afaik), and didn't do anything to your connectors, you can try to use `Marlin-AI3M-XXXXXX-flipped.hex`. Can't promise it will work though.
#### After obtaining the hex file: