IC 555 Timer
IC 555 Timers Guide
Free · Designed for iPad
Learn and build with 555 timer circuits – your essential electronics tool.
IC 555 Timer is a comprehensive reference and toolkit for anyone working with 555 timer ICs — perfect for electronics hobbyists, students, and engineers alike.
The app features 60+ tutorials, calculators, and circuit diagrams covering the full range of 555 timer applications, including monostable, astable, bistable, and more. Whether you're a beginner exploring electronics or an experienced developer building custom circuits, this app provides everything you need in one place.
IC 555 Timer is available in 11 languages: English, French, German, Indonesian, Italian, Polish, Portuguese, Russian, Spanish, Turkish, and Ukrainian.
The app includes the following tutorials, circuit diagrams, 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
Stay up to date with regular content updates and newly added calculators.
Note: Arduino and other mentioned names are trademarks of their respective companies. This app is independently developed and not affiliated with any of them.
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The developer, ALG Software Lab, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
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- Location
- Identifiers
- Usage Data
- Diagnostics
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
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Information
- Seller
- ALG Software Lab SIA
- Size
- 17.9 MB
- Category
- Education
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
English and 10 more
- English, French, German, Indonesian, Italian, Polish, Portuguese, Russian, Spanish, Turkish, Ukrainian
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © ALG Software Lab SIA