Learn oscillator design with tutorials and diagrams
Learn about oscillator design and waveform generation using 555 timers, logic ICs, op-amps, and transistors. Access over 130 tutorials and circuit diagrams.
Learn PHP programming through 12 project-based units covering fundamentals to content management systems. Complete 100 programming challenges to practice skills. Build dynamic websites and web applications. Work offline without ads.
Create music by tapping colorful cells on a grid, each representing a different sound. Use multiple instrument layers including drums, bass, and synths. Access a professional sound library with high-quality samples. Record and save compositions.
