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In this tutorial, I will show you a really quick and easy way to program 8051 using an Arduino so without any further ado lets get started!
Prerequisites- I’ll recommend going through my previous article where I have shown you how to build an 8051 Minimal System
Note- this method will only work with AT89S51, AT89S52 and might work on P89V51RD2(i haven’t tested this IC as I cannot get my hands on one of those)

Supplies:
- Arduino Uno
- Jumper cables
- AT89S51/2”

Link to article