How to build a programmer for at89s51 | Microcontroller › 8051 › How to build a programmer for at89s51 This topic has 1 reply, 2 voices, and was last updated 10 years, 7 months ago by AJISH ALFRED. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts August 19, 2012 at 5:51 pm #1917 Divjot SinghParticipant i am very new to the field of electronics and i am starting with the 8051 programming. I want to build a programmer circuit(preferably USB) for programming 8051 chip and i need the circuit diagram for the programmer circuit. Any help would be appreciated… August 30, 2012 at 2:31 pm #8514 AJISH ALFREDParticipant Hi, there are lot of 8051 based development boards. just google schematic 8051 development board, and refer their programming circuitory Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In