Makerbase Robin Nano 3.1 won't flash

General Discussion
30

[Sineos] Sineos https://klipper.discourse.group/u/sineos
January 7

Looks quite good now. The config blocks for your TMC2209 are missing. Add:

[tmc2209 stepper_x] uart_pin: PD5 interpolate: false sense_resistor:
0.110 run_current: .8 [tmc2209 stepper_y] uart_pin: PD7 interpolate:
false sense_resistor: 0.110 run_current: .8 [tmc2209 stepper_z]
uart_pin: PD4 interpolate: false sense_resistor: 0.110 run_current: .8
[tmc2209 extruder] uart_pin: PD8 interpolate: false sense_resistor:
0.110 run_current: .8 |

Note the |run_current|. This needs to be set according to the stepper
motors you are using. Refer to Hold_current and run_current – TMC2209 -
#5 by Sineos
https://klipper.discourse.group/t/hold-current-and-run-current-tmc2209/1171/5 for some additional information

From your current config:

[stepper_x] step_pin = PE3 dir_pin = !PE2 enable_pin = !PE4 |

I’d be surprised if the |enable_pin| required to be inverted (!).

Inverting |dir_pin| is possible depending on your stepper wiring. Use
this to make sure the steppers turn the right direction

With enables back to where they were, inverted, the motor are now semi
free, acting like the coils are shorted, moving freely with a viscous
feeling. Temps both to 40C works, no motor response now.

Visit Topic
https://klipper.discourse.group/t/makerbase-robin-nano-3-1-wont-flash/5579/28 or reply to this email to respond.

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Cheers, Gene Heskett.