BitBangISP

An ISP programmer for 8051 family, without a microcontroller

Brought to you by: grumpy58

Downloads: 0 This Week

Last Update: 2025-10-31

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An ultra-simple bit of hardware to program the flash memory in AT89S51, AT89S52, AT89S8253, AT89S2051 and AT89S4051. Now you can program the firmware for an ISP programmer built with one of these microcontrollers, without needing an ISP programmer, or you could just use this ISP programmer.

Project Samples

Hardware Schematic

The Lazarus App

BitBangISP Screenshot 3

BitBangISP Screenshot 4

Qt5 version of the app

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License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Operating Systems

Registered

2020-11-06

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