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Automation, sensing and robotics • Re: Raspberry pi Pico W with nema 17 stepper motors

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Ok I'll try as u say . Just a few minor doubts .
1) will the 11.1v 2600 amp battery be enough for this project will it be able to supply the motors(nema 17 1.2 amp ) (I have another battery of the same specs and a 4 3v lithium ion cells lying around should I use them all to power the bot instead?)
2)is the 3.3v from raspberry Pi Pico W enough for logic volt of a4988 and will the Pi Pico w be able to power them all ?(I could use 5 volts as mentioned in the earlier post but I think it would cause problems as the raspberry Pi Pico w gpio pins supply only 3.3v and the a4988 might not detect them as pulses.)
3) I am using 0.01 as the delay between steps how low can I go withouht causing any problems with my above setup .

If required I also have a Arduino Uno on hand so I could replace the raspberry Pi Pico W in the bot but I am keeping that option for the last as I want to use the Pico w wifi feature to control bot from an app.

Also I'll probably post tomorrow by evening about the results as I am a student and have some studies to complete . Thank You

I won't have any answers about the detailed specifications of the power supplies you may need.

I am in no rush. You have clearly been thinking about this project for over 6 months so another day won't make any difference.

Statistics: Posted by B.Goode — Wed May 08, 2024 12:55 pm



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