This application contains about 60 tutorials and diagrams using IC 555 series. It will be useful for both beginners and experienced electronics enthusiasts, students and engineers. This application can be used as a reference when creating various electronic circuits and projects with 555 timers.
The app contains the following guides, circuits and calculators:

• Common schematic diagrams
• Monostable mode
• Bistable mode
• Astable mode
• Schmitt trigger mode
• Connecting LEDs
• Two-way LED connection
• Laser transmitter
• Automatic Flashing Color LED
• Sound alarm
• Two-tone siren
• Passive buzzer circuit
• Active buzzer circuit
• Relay control
• Pulse width modulation (PWM)
• Generator with fixed duty cycle 50%
• Circuit with a duty cycle of less than 50%
• Electric motor speed controller
• PWM for control RGB LEDs
• Light level detector
• Light sensor-comparator
• Photo relay
• Flame sensor
• Timer with optocoupler input
• Мicrophone sound sensor circuit
• Vibration switch
• Knock sensor module
• Temperature sensors
• Mercury tilt switch
• Obstacle avoidance sensors
• Line tracking
• Tilt switch
• Hall magnetic sensor circuits
• Eliminating contact bounce
• Touch sensor circuit
• Voltage doubler
• Negative polarity voltage converter

The program has been translated into eight languages: English, French, German, Italian, Portuguese, Russian, Spanish, Ukrainian.
The content of the application is updated and supplemented with the release of each new version.

Note: The Arduino trademark, as well as all other trade names mentioned in this program, are registered trademarks of their respective companies. This program is developed by an independent developer and is in no way affiliated with these companies