Electronic Devices is an educational and reference program developed by Engineering Hub. The app offers comprehensive notes on electronic devices for electronics engineering students. It covers almost all important topics with their graphics chapter-wise. The program consists of five chapters, including Semiconductor Device, Feedback Amplifiers, Switching Characteristics, Operational Amplifier, and Regulated Power Supplies.

Chapter one covers semiconductor devices, including theory of P-N junction, junction capacitances, and transistors BJT. Chapter two focuses on feedback amplifiers, including negative feedback amplifiers and sinusoidal oscillators. Chapter three covers switching characteristics, including multivibrators and differential amplifiers. Chapter four covers operational amplifiers, including bias current and voltage to current and current to voltage converters. Finally, chapter five covers regulated power supplies, including series and shunt regulators and introduction to IC voltage regulators.

The program is free and available for Android devices. It offers a great resource for electronics engineering students to learn and study electronic devices. The program is well-organized and easy to navigate, with clear and concise explanations and graphics. Overall, Electronic Devices is a useful resource for anyone studying electronic devices in the field of electronics engineering.