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close loop pwm
I want to design an Airflow closed-loop control system. Now there is a question.
The following are devices in this system:
(1) Airflow analyzer with a velocity sensor: measure the sensor point airflow;
(2) MCU board: read the current airflow value from Airflow analyzer via...
fan pwm frequency
I want to design an Airflow closed-loop control system. Now there is a question.
The following are devices in this system:
(1) Airflow analyzer with a velocity sensor: measure the sensor point airflow;
(2) MCU board: read the current airflow value from Airflow analyzer via...
Re: current measurement
I agree with you.
Another key point is that the resistor ( always we call it SHUNT) should be placed in low voltage side to avoid high common mode voltage for Op Amp.
Re: How to write a C program which exchange the bits in a by
If what you want is just fast may be look-up-table is a better method. But I think for 8-bits byte we can code in a "stupid" way like this:
void reverse_byte(byte &a)
{
byte b ;
b = *a;
*a=0;
*a += (b&(1<<7))>>7;
*a +=...
Re: PIC Programmer
IN fact, because it supports ICSP™/MPLAB ICD 2 interface connector for in circuit programming and debugging. ICD2 can be used as a debugger and a programmer. Also other ICSP professional programmers are compatible with this development board.
PIC16 series MCU + one RTC chip for date and time + Max232 for seirial communication + PC master sw( developped with VS or Delphi or other IDE if run on Windows )
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