In this instructable we will be looking at the AT89C2051 MCU from Atmel. AT89C2051 is a small (2Kbyte Flash, 128byte RAM), cheap (~$1.40 per chip) microcontroller.

Build your own a personal writer for programming HEX code into Flash based microcontroller AT89C2051 (2k) and AT89C4051 (4k). Simple hardware and Easy use software in DOS and …

Aug 2, 2025 · This project is a graphical user interface (GUI) application for programming AT89C2051 microcontrollers via an LPT parallel port. It simplifies the entire workflow with one …

Python & Arduino-based AT89C2051 programmer. Contribute to piotrb5e3/AT89C2051_programmer development by creating an account on GitHub.

Aug 27, 2022 · Several AT89C2051 programmers exists. The most advanced one being the one from Paul Gallagher, as it is fully constrained. Even generating the 12V onboard with a charge …

Building a programmer for the Intel MCS-51/8051 compatible AT89C2051, with host software running on macOS. Originally tested with Intel-based macOS, but now updated for Apple Silicon.

Software for the programmer is available by downloading it from the Atmel BBS at 408-436-4309. The programmer is controlled by soft-ware running on the host.

I couldn't find a non-rs232 programmer for it, so I made my own. Being young and stupid I bought a microcontroller without checking for programmer and programming software availability. …

The programmer features a test switch which allows the owner to check if an AT89C2051 is blank, working, programmed or failed in just one second - without needing the PC connected.

Jun 10, 2025 · Programs generated with the evaluation software may not be programmed into single-chip devices with less than 2 Kbytes of on-chip ROM. There is no way around it.