PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
An Arduino-based Altitude and IMU Payload for Model Rocketry
Integrated Development Environment (IDE) for learning HDL
A simple molecular weight calculator
Allows you to build your own circuits and test them
Virtual Simulator for Dynamical Systems
Johnny - A Simulator of a Simple von-Neumann Computer
Rubik's Cube 3x3x3 Algorithms Simulator
Lcd TFT 320*240 with touchscreen and SdCard
Science simulator and advanced calculator based on modules