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Analyzed about 13 hours ago. based on code collected about 13 hours ago.

Project Summary

MCUSim is a digital simulator of the 8-bit AVR microcontrollers. It is
written from scratch to assist in circuit simulation, firmware debugging,
testing, and signal tracing.

Simulator can be extended by creating models written in Lua. They may affect
state of a simulated MCU in several ways, e.g. access internal registers,
generate signals on its pins or terminate the whole simulation, and play
roles of the significant parts of a circuit connected to the microcontroller
(external EEPROM, humidity sensor, MOSFET switch).

Tags

avr circuit embedded mcu microcontroller simulation simulator

In a Nutshell, MCUSim...

3-Clause BSD License
Permitted
Forbidden
Required

These details are provided for information only. No information here is legal advice and should not be used as such.

Project Security

Vulnerabilities per Version ( last 10 releases )

There are no reported vulnerabilities

Project Vulnerability Report

Security Confidence Index

Poor security track-record
Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities
Few reported vulnerabilities

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About Project Security

Languages

C
83%
Python
8%
CMake
6%
3 Other
3%

30 Day Summary

Jan 28 2026 — Feb 27 2026

12 Month Summary

Feb 27 2025 — Feb 27 2026

Ratings

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