Perfboard Lab vs Circuit Design & Simulation

Understand electronics by trying it out: Perfboard Lab turns your iPhone, iPad or Mac into an electronics lab. Build a circuit and switch on the power. Right away you see what happens: LEDs light up, buzzers beep, motors turn and hum. And if your maths was off: it smokes, it sparks and the part burns out – without any real damage. SEE WHAT HAPPENS, INSTANTLY • Every change is computed instantly with real physics • Overloaded parts smoke in four levels until they burn out • The analysis explains in plain words what is wrong: an LED the wrong way round, a missing series resistor, a short circuit, an open circuit MEASURE LIKE IN A REAL LAB • Multimeter: voltage, current and power at every part • Oscilloscope: voltage and current over time OVER 20 REAL PARTS • DC voltage source, AC voltage source, current source, solar module and breadboard power supply • Resistors, potentiometers, ceramic and electrolytic capacitors, inductors, switches • Diodes and Zener diodes, NPN and PNP transistors, N- and P-channel MOSFETs, relays, op-amps, voltage regulators and Timer NE555 • LEDs in six colours, an incandescent lamp, a buzzer with a real tone and a motor whose hum matches its turning • Sensors: photoresistor, NTC and PTC, with the brightness taken from the camera if you like JUST LIKE ON THE WORKBENCH • Draw wires with the pen – straight wires with bends and branches • Perfboard, with Perfboard Lab Pro also stripboard with cuttable strips and breadboard as used with Arduino • Copy parts with all their values; text labels annotate your circuit • Real 2.54 mm grid: what fits in the app fits on the real board • Bill of materials with every part and the length of hookup wire • With Perfboard Lab Pro you see your circuit in the 3D view: real parts on the board that you turn, tilt and measure PERFECT FOR SCHOOL AND CLASS • A guided tutorial starts with an LED that burns out and shows you how to find the right series resistor • A free task at your level every day: build, complete, adjust or rescue, with a time limit without Perfboard Lab Pro • AI-assisted tasks that suit your level and explanations step by step on the board (Perfboard Lab Pro) • Lots of ready-made examples: from an LED with a series resistor to logic circuits, transistors and op-amps • The formula collection calculates with the measured values of your parts and shows where each number comes from • Teachers pass their default settings on to the whole class as a file FOR EVERYONE • In many languages and usable with VoiceOver, Voice Control and Apple Pencil • No ads, no tracking FREE The perfboard with almost all parts and their examples, the daily task, text labels, the instruments and the simulation are free. A circuit can have up to 7 parts. PERFBOARD LAB PRO With “Perfboard Lab Pro” you save as many circuits as you like and keep working on iPhone, iPad and Mac. You export them as PDF with a bill of materials and share them with others. Plus circuits with more than 7 parts, op-amp, voltage regulator, Timer NE555, motor, Zener diode, current source, solar module and the sensors with their examples, the stripboard and the breadboard with their examples, AI-assisted tasks and explanations, and the 3D view. • Perfboard Lab Pro is available as a subscription (yearly, monthly, weekly). The App Store shows the prices before you buy. • A subscription renews automatically unless it is cancelled at least 24 hours before the end of the period. Payment is charged to your Apple Account. You can cancel at any time in your Apple Account settings under “Subscriptions”. • Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy policy: https://pascalschroeer.github.io/PerfboardLab_PrivacyPolicy/ Legal notice: https://pascalschroeer.github.io/PerfboardLab_PrivacyPolicy/#legal-notice

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