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  1. Replies
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    many thanks for this and the others posted...

    many thanks for this and the others posted bruce,and also to the other peoples code examples.
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    2,206

    split your buffer into two words variables using...

    split your buffer into two words variables using skip, then do your test, e.g 90500 var1=905 var 2=00
    all the best
  3. Dennis no its not safe, never never put a fuse in...

    Dennis no its not safe, never never put a fuse in the neutral leg when it is at zero potential to earth. The fuse may blow the appliance looks like it is dead, somebody opens it up touches the...
  4. Replies
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    161,959

    Your gains might need to be fractional all the...

    Your gains might need to be fractional all the way up to 20 times and more via your vresistors via adc. Example engine running no load 1500 rpm, adc 1.5/5 * 256 = 77. setpoint = 77,unknown but say...
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    161,959

    You will need to find the required pwm to output...

    You will need to find the required pwm to output 1500 rpm (1.5v) from your engine,(you will need this on startup to have your engine idling at no load) this you will use as your setpoint after adc....
  6. Replies
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    161,959

    I have used a magnetic pickup on the fly wheel in...

    I have used a magnetic pickup on the fly wheel in the past, adc this to a stepper motor, incorporate the feedback once you get to the stage of engine hunting, then set your fine tuning (gain etc).
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    8,639

    Thank you for your replies, Melanie it was more...

    Thank you for your replies, Melanie it was more of a 2 wheel design but now it might incorporate a Biddy Bingo Button for the 4 wheeled variety. I had the equation in mind that a motor constant is...
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    8,639

    Thanks for the replies, what i have is a dc motor...

    Thanks for the replies, what i have is a dc motor which only lists its peak power of 350 Watts @ 24 Volts on its rating plate. To conform to legal specs the maximum allowable "continuous "power of...
  9. Replies
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    My problem is Dave that by the nature of a dc...

    My problem is Dave that by the nature of a dc motor the motor current reduces to zero as the rpm increases due to the back emf, so the current is non linear (motor will be at various pwm from 0 to...
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    Thanks for the reply, I was interested to know...

    Thanks for the reply, I was interested to know how continuous power of a motor is derived (formula perhaps).Is the peak power of a motor measured under un/loaded conditions, if their are other...
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    Continous power dc motor

    Hello to all, can any kind soul point me in the right direction to measure or mathematically calculate the continuous power of a brushed (dont know if that is relevant or not) dc motor. The motor...
  12. A magnet on a spring, reed switch outside

    A magnet on a spring, reed switch outside
  13. Replies
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    4,657

    5/vref * 500, my apologies, teach me to post...

    5/vref * 500, my apologies, teach me to post after visiting boozer
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    even with a resistor in series with the 500k, a...

    even with a resistor in series with the 500k, a pic pin seeing it in parallel is way above the recommended 10k or 5k impedance depending on the chosen chip. Myself using thermistors via resistor...
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    myself i would use rctime, resistor to earth to...

    myself i would use rctime, resistor to earth to help with static discharge. Depends if you need an instantaneous response or not.
    all the best
  16. Replies
    150
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    222,512

    Thats as clear as mud, => 128 begin reverse read...

    Thats as clear as mud, => 128 begin reverse read byte and vice versa
  17. Replies
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    222,512

    Just my musings can you do a check if duty cycle...

    Just my musings can you do a check if duty cycle = 127 + 1 then bit 7=0 (0.005s interrupt) then 128 duty cycle. I.e cause a timer interupt delay before starting on with the BAM again.
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    Very well presented, many thanks for sharing

    Very well presented, many thanks for sharing
  19. Replies
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    word filled by 10bit, result divided by 256?

    word filled by 10bit, result divided by 256?
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