at89c2051 programmer correction

[embpic]

hello master
few days ago i completed my programmer for at89c2051. but unfortunately it get failed. so plz correct it or give me suggestion
thanx

my schematic is

 

[tpetar]

hello master
few days ago i completed my programmer for at89c2051. but unfortunately it get failed. so plz correct it or give me suggestion
thanx

my schematic is View attachment 94992

Programmer project files are located here :

**broken link removed**



What exactly dont work ?


What voltage you have on programmer? 12V?



Best regards,
Peter

 

[embpic]

yes i am keeping voltage at 12V.
i have sofware it doesn't recognize the programmer or controller here i have attached gui of programmer.
thanx.

- - - Updated - - -

but at pin 1 of slave controller is something about 1.5 v. (Vpp).