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v2.1 BIG roller blinds

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  • Body1.stl 35.999498 Γ— 28.5 Γ— 35.999254 mm
  • Body2.stl 64.0 Γ— 38.0 Γ— 71.775 mm
  • Body3.stl 64.0 Γ— 33.0 Γ— 30.988193000000003 mm
  • Body4.stl 67.0 Γ— 50.200001 Γ— 29.099998 mm
  • Body5.stl 67.0 Γ— 50.200001 Γ— 4.800004000000001 mm

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Published to Thingiverse on:
Design number 1694140
Design author trda
trda

trda

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3D printer file info

3D model description

Note:

  • Designed in Fusion360.
  • Project file attached.

Firmware:

https://github.com/arendst/Tasmota/discussions/11731

If you have questions about how Tasmota software works, visit the Tasmota Discord chat room for a discussion:
https://discordapp.com/invite/Ks2Kzd4

BOM:

NEMA-17 (27:1):
https://ru.aliexpress.com/item/32586836815.html
Driver A4988:
https://ru.aliexpress.com/item/1609523735.html
Driver A4988 board:
https://ru.aliexpress.com/item/32908836265.html
DC-DC Step Down Power Supply Module, max=24V (MP1584):
https://aliexpress.ru/item/32742116421.html
Aluminum Capacitor (100mF, 35V):
https://aliexpress.ru/item/32814611460.html

Important information:

  1. The recommended voltage is 24 ... 35 volts (respectively, the capacitor should be 35 ... 50 volts). More information about the effect of voltage on stepper motor operation can be found in the tutorial: (see 5. POWER SUPPLY): http://stepcontrol.com/pdf/step101.pdf
  2. Stepper drivers configuration tutorials: A4988 - https://lastminuteengineers.com/a4988-stepper-motor-driver-arduino-tutorial/ DRV8825 - https://lastminuteengineers.com/drv8825-stepper-motor-driver-arduino-tutorial/ TMC2208 - https://wiki.fysetc.com/TMC2208/

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