TM1637 RPM Stepper Motor Speed Controller
grabcad
TM1637_RPM-stepper_motorremove the .txt to use those files@polihedron was so kind to write the code without timer! Only code on the internet that I could fine for stepper motors and TM1637.https://github.com/carl1961/TM1637_RPM-stepper_motorpolihedron#1TM1637 4 digits display, KY-040 rotary encoder and RPM output to stepper motor driver A4988.It’s a nema stepper controller.Functions:-stop start with encoder button-motor speed control - rpm (quite accurate),-direction control, cw and ccw-acceleration/deceleration-save config: default rpm to mcu memory ( Double click while motor stopped to save new RPM )Original code with timer for shakerhttps://github.com/polihedron/TM1637_Timer_RPM-stepper_motorlink how it's working: https://www.youtube.com/watch?v=TyF6TsbwEOg3D print files and bom: https://www.thingiverse.com/thing:4655574
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