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Re: 28YBJ-48 stepper motor with ul2003

by rooppoorali ¦ Fri May 12, 2023 9:56 am ¦ Forum: Hardware Specific ¦ Topic: 28YBJ-48 stepper motor with ul2003 ¦ Replies: 1 ¦ Views: 2557

Maybe it's a bad motor driver. I suggest testing it separately. Without the NodeMCU.

... If it's OK, then try driving a pure resistive load such as a halogen lamp of 500W or so. If still no glitches, then try a load again that has a motor (a fan or such.) If it now glitches, I'd look at a dirty power-supply, even if it seems good. If you have the parts, hook the relay to a power-bank ...

Re: ESP-01F and dc motor control

by rooppoorali ¦ Tue May 02, 2023 5:51 am ¦ Forum: Arduino ¦ Topic: ESP-01F and dc motor control ¦ Replies: 2 ¦ Views: 6448

You can see this video. This one shows how to control a DC motor using ESP-01
https://youtu.be/hobVbPejA0w

28YBJ-48 stepper motor with ul2003

by theruck ¦ Tue Apr 25, 2023 3:39 am ¦ Forum: Hardware Specific ¦ Topic: 28YBJ-48 stepper motor with ul2003 ¦ Replies: 1 ¦ Views: 2557

There is a ton of examples how to make this stepper motor with ul2003 driver to operate using esp8266 but my motor never moves. I have tried to use USB charger as a power source as well as an external HDD 12V power source as well as an external charging ...