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    Controlling a large motor with a 28X2

    Just a note I have not had an opportunity to test this code with the hardware yet! We greatly appreciate the help with the project even though we just don't have time to work on it now. Hopefully later next week we will have a report. Thanks Gramps
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    Controlling a large motor with a 28X2

    C.0 and C.1. Ok. So we could use any of the unused "B" or "A" pins that are ADC. Correct?
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    Controlling a large motor with a 28X2

    Yes! We have not yet tried the hardware.
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    Controlling a large motor with a 28X2

    The code compiles correctly when we combined the two sections of code and commented out these duplicate names. ;TurnAntiClockwise: ;Return ;TurnClockwise: ; Return ;StopTurning: ;Return
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    Controlling a large motor with a 28X2

    It looks like I got it wrong because I did not add the first section of code you wrote to the last section. Let me re copy and paste this and I'll get back to you later today
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    Controlling a large motor with a 28X2

    We are getting an error;
  7. G

    Controlling a large motor with a 28X2

    Hippy, what an awesome piece of code! Had no idea it would be this complicated. The electronics in a standard servo are doing a lot more work than I realized. Here is my beginner's mind thinking, We can see with the very small range we are working with of 0 to 5 volts, that the regulation would...
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    Controlling a large motor with a 28X2

    Forgive me for bumping this thread but please give me a hint or two as at how to proceed. Thanks, Gramps
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    5 volt regulated Supply

    Yes I found one here ! Very cool unit . Another item on my wishlist :cool: https://www.ebay.com/itm/172671946438
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    5 volt regulated Supply

    This from Adafruit Industries LED current use is measured in milliamps (mA). As a rule of thumb, we usually use 20 mA as a guideline for a single LED at full brightness, and each color “pixel” contains three LEDs (one each for red, green and blue), for a total of 60 mA per pixel when displaying...
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    5 volt regulated Supply

    I had no idea ordinary LEDs ran over 20 milliamps!
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    5 volt regulated Supply

    So basically use a wall wart for finished projects and a current limiting power supply for experimental work. That makes good sense.
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    5 volt regulated Supply

    I have a 28X2 That has a burned-out pin. We were quite surprised to see that the rest of the chip still works fine. Don't know how we did it. Would running a load on a pin without a resistor smoke it?
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    5 volt regulated Supply

    How much would you limit the current when working with micros?
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    5 volt regulated Supply

    My experiments haven't created any Magic Smoke yet, but I certainly understand.
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    5 volt regulated Supply

    That is a really nice bench Supply. Put that on my wishlist! Yes Lance, this is exactly what I had in mind. Thank you.
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    5 volt regulated Supply

    That is an interesting idea. Do you have a source for these batteries and their charger.?
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    5 volt regulated Supply

    Looking for a source for a really decent plug-in regulated 5 volt power supply. Among the thousands of online parts, what are you long time "Picaxe Pros" using? A unit that would work for breadboarding and for finished projects would be great. We don't mind paying a little more for quality...
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    Controlling a large motor with a 28X2

    Hippy, Thanks for your help! Yes, you are correct. That is exactly what we are trying to accomplish. Gramps
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    Controlling a large motor with a 28X2

    ;This is Test circuit for the DC Motor Driver MD20A copied from page 173 in Manual 2 covering the pwmduty command ;C.4 connects to direction pin on MD20A ;C.2 connects to PWM pin on MD20A ;pmduty is 0 to 1023 #picaxe 08m2 #no_data init: pwmout C.2,100,150 ; start pwm main: high C.4...
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