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pwm codevision
Hi, I don't know very much about IGBTs, but the simple config. of PWM generation using AVR (ATmegaxxxx) is as under.
void pwm_init(void)
{
TCCR1A=0x23;//PWM config.
TCCR1B=0x01;//10-bit PWM (0-1024)(bin. valu)---->(0%-100%)(duty cycle)
TCNT1H=0x00;//PWM freq. setting...
microcontroller which use
I uses ATmega8535 (8-bit AVR core) microcontroller with WINAVR C-compiler.
These MCUs are in system programmable and it is not hard to programming it in C.
The JDM2 is very cost effective solution, it can even program dsPIC30F series (dsPIC30f4011 ,30f3014, 30f2010) in conjuction with WIMPIC progrsmming software.
Yes U can use remaining pin as digital I/O.
In 7th SEM I have made AVR based temperature controller using ATmega8535 and LM35(temperature sensor).
The code for ADC config. is as under.
void adcfg(void)
{
ADCSRA=0xAD;// ADC triggered at every TIM 0 overflow with interrupt enabled
SFIOR&=0x0F...
optocoupler circuits
:D
Hi,I am also working with stepper motor(Bi polar) interfacing with dsPIC30f2010.
To use optocoupler, first connect the output of MCU/logic CKT to optocoupler (MCT2E)through inverter and then the collector of opto coupler to input of ULN2003.
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