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.
Showing 41–60 of 1,000 ranked alternatives.
Electronial
Calculate resistor values by color
Toolkit provides resistor calculations based on color codes or SMD values. It includes an LED resistor calculator and parallel resistor tools. Users can reference electronic components and formulas for design and troubleshooting.
Lumbeat Ltd.
Play drums with three styles
Drums lets users select from three drummers with distinct styles. Adjust jam level and intensity using a 2D slider. Save mixer and effects settings for each sound bank. Toggle ride/hats and cross stick/snare options.
Aircraft Training Aids, LLC
Explore aircraft systems with interactive diagrams
Learn about aircraft systems and limitations through organized chapters based on the POH. Explore interactive diagrams to tap on components and see system changes.
Calculated Industries, Inc.
Browse boating charts and images
Access boating information with detailed charts, graphs, and illustrations. Look up formulas, safety guidelines, and equipment specifications. Search for content by topic or use the table of contents. View 800+ images and diagrams for visual .
FreshBizOpps, LLC
Simulate circuits and analyze signals
Simulate electronic circuits with engine and virtual instruments. Add components to a breadboard and connect them. Analyze signals using oscilloscope and logic analyzer. Export simulation data. Create or customize electronic parts.
Amran AlQasmi
Design circuits with logic gates
Create circuits using logic gates and basic building blocks. Wire components on a flexible plane. Simulate real-time behavior. Learn fundamental concepts of engineering and computer science.
Raffael Kaehn
Build 3D circuits and analyze results
Build and simulate 3D electrical circuits with real-time voltage and current calculations. Drag and drop components to create custom circuits. Analyze results instantly with detailed visual feedback. Export schematics and share designs.
Marcus Roskosch
Edit schematics, calculate values, and test circuits
Manage components with a database of resistors, capacitors, and diodes. Calculate circuit values using Ohm’s Law and power formulas. Access schematics, datasheets, and component symbols. Convert units and view component ratings.
Ta Chang Song
Learn letters with and quizzes
Learn the English alphabet with interactive featuring voice-enabled letters and quiz mode. Trace letters, listen to pronunciation, and test knowledge with quizzes. Explore playful phonics activities for early learners.
Jianfeng Wu
Explore worlds, build cities, research tech,
Guide civilizations from ancient times to the Space Age through turn-based strategy. Explore maps, build cities, research technologies, and manage resources. Engage in diplomacy, warfare, and cultural development across multiple eras.
Fehners Software LLP
Fix circuits, clean spills, and organize parts
Help robots complete chores like cleaning oil spills and organizing parts. Fix the control panel and mend circuits. Explore hidden interactive areas and find the hidden robot mouse.
Vital Group Limited
Build circuits in 3D with real components
Build and test electronic circuits in a 3D environment. Construct prototypes without physical components. Explore transistor functions and audio filtering. Access a component catalog for circuit design and experimentation.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.