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How to unlock a PIC microcontroller

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isteak007

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i have two digital temparature controller DTC-7700 made by HanBat Automatic Control co, korea.

but some days ago 1 dtc-7700 controller keypad do not working.

so i see there is a locked pic16f73 micocontroller.
but when i change this pic with another dtc-7700 it work

now i need to unlock to read my good pic16f73 program......and make my two dtc-7700 ok...


now what should i do?
 

what does "locked" mean? in a safe?
 

Ask for the manufacturer for a new one or for the firmware... You are not going to find a legal way to do that...

Cya
 

It is not possible to read program from locked PIC.

Purpose of locking is to stop people of copying code.

Sorry.


Mr.Cube
 
It is not possible to read program from locked PIC.
Click to expand...

it is actually quite possible to read the code from a protected pic.

Can any one write a keypad program for me???/
Click to expand...

sure, if you make me a billionaire first.
 
in china they called them self break ic they can give you hex code but you have to give one working chip (they will return you with code)
i agree with millwood
i feel very happy to do such work when people saying you can't do -anonymous
 
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