Teensymoog A re-creation of the minimoog using Teensy 4.0 by Pierre-Loup M. https://hackaday.io/project/170474-teensymoog

A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator.

A preliminary design for developing SMT32F4x series based project that’ll help you get started faster.

A simulated circuit that demonstrates how diodes in a bridge configuration convert an AC voltage to DC voltage.

Two separate simulated circuits which demonstrate how step up and step down type transformers work.

An example development and reference design for the ESP32 microcontroller.