TopCircuit: Electronics & IoT

Your complete pocket companion for electronics, Arduino, ESP32, robotics, and IoT. Whether you’re a student, hobbyist, or professional maker, TopCircuit puts calculators, pinout diagrams, verified circuit projects, an AI assistant, and a genuine components store in one app. 🔧 ENGINEERING TOOLS & CALCULATORS • Ohm’s Law, LED series resistor, voltage divider, 555 timer & more (8+ calculators) • Resistor color code & SMD code decoders • Battery life and power calculators • Handy cheat sheets and schematic symbol reference guides 📌 INTERACTIVE PINOUT VISUALIZER • Arduino UNO R3/R4, ESP32 NodeMCU, and more boards • Dual-column layout with color-coded pins (Power, GND, ADC, PWM) • Tap any pin for electrical ratings, alternate functions & limits 🤖 DISCOVER MAKER PROJECTS • Hundreds of verified circuit schematics and DIY builds • Beginner to advanced: Obstacle Avoiding Robot, ESP32 Weather Station, Smart Plant Watering, Bluetooth RC Car & more • Step-by-step guides with time estimates and difficulty levels • Save favorites and filter by Robotics, IoT, Arduino & Automation ✨ TOPCIRCUIT AI CO-PILOT • Debug breadboard circuits and troubleshoot wiring issues • Generate and explain Arduino/ESP32 C++ firmware code • Get component recommendations for your project • Snap a photo of a component to identify it 🛒 TOPCIRCUIT STORE • Order 100% genuine development boards, sensors, modules, resistors & tools from topcircuit.in • DIY kits for popular projects • Fast delivery across India, straight to your workbench 📡 LIVE OSCILLOSCOPE & SIGNAL SIMULATOR • Visualize waveforms and simulate signals right on your phone Perfect for: ✓ Engineering students (ECE, EEE, Mechatronics) ✓ Arduino & ESP32 hobbyists and makers ✓ Robotics and IoT enthusiasts ✓ Electronics teachers and lab work ✓ Anyone starting their DIY electronics journey Download TopCircuit now and go from idea to working circuit — learn, build, discover! 🚀 Questions or feedback? Reach us at [email protected]