Download EdSim51 8051 microcontroller free simulator. 8051 Simulator for Teachers and Students Do you want to learn about microcontrollers and embedded systems?
Are you studying the 8051 microcontroller?
Do you want to test your code for communicating with peripherals without having to first build the hardware?
Are you teaching an embedded systems course and would like your students to have access to a virtual 8051 training kit?
If the answer to any or all of the above is true, then you’ve come to the right place.
The EdSim51 Simulator for the popular 8051 microcontroller is exactly the tool you need.
And it’s FREE!
A virtual 8051 is interfaced with virtual peripherals such as a keypad, motor, display, UART, etc.
The student can write 8051 assembly code, step through the code and observe the effects each line has on the internal memory and the external peripherals.

The Virtual Peripherals:
- Analogue-to-Digital Converter (ADC)
- Comparator
- UART
- 4 Multiplexed 7-segment Displays
- 4 X 3 Keypad
- 8 LEDs
- DC Motor
- 8 Switches
- Digital-to-Analogue Converter (DAC) – displayed on oscilloscope
Why are EdSim51’s Simulator and not some many other simulators that evaluatable?
Many of the simulators for the 8051 that you will find are industry-standard. They are used by professional 8051-based embedded systems designers. While they show the state of the registers, memory and the port pins while code is being debugged, they do not have graphical representations of peripherals that can be used interactively to communicate with the 8051. EdSim51 have filled that need.
The student can learn how to scan a keypad, multiplex 7-segment displays, control a motor and count its revolutions, etc.
For information on downloading and installing EdSim51,
go to the Installation Instructions
Buy 8051 Evaluation Development Board in Aliexpress with free Shipping in the Worldwide.
download link is not working
I’m sorry to hear that the download link is not working for you. Have you tried reaching out to the website or developer of the simulator to see if they can provide an alternative link or fix the issue? It’s always frustrating when technical difficulties get in the way of accessing helpful resources. I hope you’re able to resolve the problem and get the simulator downloaded successfully.
one of worst website i have ever seen ….its too confusing ..i didn’t able to download edsim51 ….its fully waste of time .they did not have a download link
Hello Kya
The download link is ok!
I need this program ,, please help me
Per downlod