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First thing I see is: There has got to be a better way to implement your delay function. You are wasting cycles when you could have the same result using a timer and an interrupt routine. Also no need for the iterator variable to be volatile, unless you are using that memory address in some...
Before choosing which op amp to use, its purpose in the circuit needs to be defined.
The best value for Vref would probably be found after some testing of the unit, however the bias point is something to consider when determining this.
the capacitor value is probably 0.1 microfarads.
Hope this...
Hey all,
There should be (well with most BDC and BLDC motors) some sensor that relays the back-emf created by the windings back to the PIC.
On the PIC, the line should go to a ADC port which then checks it against a known (probably through trial and error) range of voltage-speed levels.
I...
This may be a language barrier, but I think it would help if you clarify the delay measurement. Are you looking for seconds or some other measure?
To me, this looks like a phase problem. Do you want the output signal to be in or out of phase with the input signal?
Alternatively, you could try using a tokenization ...
I think my first question would be what kind of MCU are you using. Does it have a Tx or Rx buffers built into the UART peripheral? I am going to assume it does.
You could have you code reference the buffer location and copy it to a...
Try taking a look at the datasheet/pinout of the Pi. I believe that the real problem here has to do with the external/internal voltage thresholds of the Pi.
Are the pins associated with UART Rx/Tx rated as 5V tolerant?
Does the Pi accept 5V as an acceptable logic 1?
If not, you could try bucking...
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