MicroController Learning Lab vs Circuit Design & Simulation

MicroController Learning Lab is the ultimate interactive learning tool for anyone who wants to understand microcontrollers — from complete beginners to experienced engineers looking to sharpen their skills. Whether you are exploring electronics for the first time or building your next embedded systems project, this app gives you everything you need in one place. What's Inside: Curriculum — Structured lessons covering microcontroller fundamentals, digital I/O, analog sensors, PWM, serial communication, interrupts, and more. Learn at your own pace with clear, focused explanations. Interactive Simulators — Five animated simulators let you visualize how circuits and signals behave in real time. Watch LED blink patterns, PWM duty cycles, ADC conversions, and serial data come to life on screen. Breadboard Lab — Wire up real project circuits on a virtual breadboard. Auto-Wire builds the connections instantly. Then launch the Live Simulation to see your circuit running with animated signals and pin states. Illustrated Diagrams — 30 hand-crafted technical illustrations cover everything from pinout diagrams and circuit schematics to communication protocol timing charts. Real-World Projects — Eight guided projects show how microcontrollers are used in actual applications: soil moisture monitors, weather stations, smart relays, motor controllers, and more. Reference Library — Quick-access tables for GPIO pinouts, register maps, timing values, and common code patterns — everything you need without leaving the app. Microcontrollers Covered: ATmega328P (Arduino Uno), ATtiny85, ESP32, RP2040 (Raspberry Pi Pico), STM32 Who Is This App For: Students in electronics, computer engineering, and robotics courses. Hobbyists building their first embedded project. Engineers who want a fast visual reference on the go. No prior electronics experience required. Start from the basics and build up to real working projects.

Take circuits off the page: draw them, power them up, then build them by hand. SCHEMATIC • Standard symbols: resistors, capacitors, diodes, LEDs, Zener diodes, transistors, relays, switches, motors, buzzers, sensors, logic gates, op-amps, 555 timers and more • Choose IEC or ANSI (US) symbol style • Snap-to-grid wiring; rotate, flip and swap parts in a tap; Apple Pencil support • Color themes and art styles; export crisp images of your schematic SIMULATION • Turn a schematic into a working simulation in one tap. A checklist points out missing values and wiring problems one by one • Moving green dots show current; blue numbers show the voltage at each node • Flip switches, press buttons, turn potentiometers, change light and temperature, and the circuit responds instantly • Watch capacitors charge and discharge, transistors amplify and switch, relays latch, logic gates oscillate and 555 timers count down • Oscilloscope for waveforms; record the current animation and export it as a GIF BREADBOARD • Realistic breadboard, battery box, components and chips: follow the schematic and plug them in step by step • Or build freely, picking parts from the parts list • Power it up to check your work: does the lamp light, does the motor turn? • Analog and digital multimeters measure voltage, current and resistance EXAMPLES 12 complete examples: basic circuit, capacitor charge and discharge, rectifier with filter and regulator, sensors and transistors, Darlington pair, transistor latch, three-person voting circuit, logic-gate oscillator, relay motor reversing, op-amp oscillator, 555 oscillator and 555 timer. Each comes as a schematic, a simulation and a breadboard, and you can change anything. To keep your changes, save it as your own circuit. EVERYDAY USE • Syncs between iPad and iPhone through iCloud • Share a link and anyone can open your circuit in a web browser • No sign-up, no ads, no personal data collected • English and Chinese Great for physics and technology classes, electronics hobbyists and makers, and teachers demonstrating in class. MEMBERSHIP Free forever: drawing and exporting schematics, plus everything in the 12 examples (including their simulations and breadboards). Membership unlocks: simulating circuits you draw yourself, the breadboard for your own circuits, and art styles. • Yearly membership: auto-renewing subscription, billed yearly • Lifetime membership: one-time purchase Both support Family Sharing. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours before the end of the period. Manage or cancel in Settings → Apple Account → Subscriptions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://saviteachingassistant.cn/circuit/privacy-en.html