pleas give hex file sir.i tried to compile a51 file but i am geting error and also sugges me a compiler to compile it thankyou .
  

it is microcontroller 89c2051 or 89c52 or 89s52.because in circuit diagram it given 89c52 but in title it is 89c2051
  

thankyou ajay .I got the hex code
  

Dear Sir,
TWO SCHEMATIC ARE GIVEN ( 339 SCHEMATIC & MICROCONTROLLER ) I THINK THE 339 CIRCUIT USING AS COMPARATOR MODE TO DETECT UNDER/OVER VOLTAGE OR SINGLE PHASING . I COULD NOT FIND ANY OTHER PROTECTION CIRCUIT LIKE OVER CURRENT.

ONE MORE QUSTION IS HOW DO YOU CONTROL THE PHASE WITHOUT DETECT ZERO CROSS POINT OF EACH PHASE AND HOW IT TIGGER THE GATE OF SCR TO CONTROL THE SPEED OF MOTOR. THERE IS A PROVOTION OF ROTARY SWITCH, I COULD NOT UNDERSTAND WHAT JOB IT WILL DO

SIR PLEASE HELP ME ABOUT THESE TOPIC . IF YOUR PROJECT NOT SUPPORT PHASE CONTROL . PLEASE GIVE ME AN IDEA HOW I CONTROL PHASE USING MICROCONTROLLER
THANKING YOU
GARAI KAUSIK
  

Sir, please give the simulation of SPIM control by using AT89C51



Delwar
KUET
  

dear sir,
i request you to send the cost estimation details,advantages and disadvantages of this project.
  

it is microcontroller 89c2051 or 89c52 or 89s52.because in circuit diagram it given 89c52 but in title it is 89c2051
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