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hi,
i intend to design a h-bridge to drive a 12v dc motor as in the figure.
when a high-side p-mos is turned on, it will also turn on the equivalent n-mos on the other side.
is my understanding above correct?
hi,
some of the application notes on stepping motor ramping (for e.g. trapezoidal profile,..) usually describe the algorithm when the targetted set point is fixed, and usually the motor is supposed to move to the current targeted set point first before it can move to the new set point.
Is...
Thanks IanP,
However, in my case,
throughout my whole program i select just that single ADC input, and never read from the other inputs. Hence, there should not be any effect from other inputs!
i'm testing the ADC module of the microcontroller i'm using. 10-bit adc, so that maximum value is 0x3FF.
if there is an input volatge the read value will be changed accordingly.
however, one thing is that if i left the adc input pin unconnected, the read value is 0x3FF.
is there any reason...
hi,
is there any algorithm for rolling code available (in C source, running on PC) ? (for e.g. similar to the keeloq technology of microchip)?
please share if you have sth similar..
thanks.
you may want to take a look at the Super Low Power (SLP) Family from Renesas. It supports various operating modes, and even module standby to conserve power.
bldc vs stepper
let's take 2 examples here:
2-phase BLDC from this page:
**broken link removed**
and 2-phase PM Stepper from the same site:
**broken link removed**
WHat are the basic differences between a BLDC and a PM stepper in this case?
to me, it seems stepper has more rotor poles, and...
Hi, can anyone help me the Ldi/dt effect of inductor, given the following 2 examples..
Originally, the switch is closed. How should the waveform at V1 look like when the switch is suddenly opened?
stepper speed profiles
hi, thanks for your reply. for DC motor, the speed profile is usually PID. but i'm wondering if PID is suitable for stepping motor ? as i've never seen any application note on PID for stepping motor speed profile..
speed profile for stepper motor
hi,
i wonder if there is any application note on speed profile (or velocity ramp) generation for stepper motor using PID?
if there is such a method, please share with me..
thanks a lot.
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