Electronics docs & calculators vs Arduino Programming Pro

Electrohelper is carefully designed to address the need for electronic engineers and electronics hobbyists in designing an electronic circuit. The app contains the electronic components reference section, electronic circuit reference section, and electronic circuit calculation section. Tedious electronic circuit calculation such as Butterworth, Sallen-Key, Chebychev, and Bessel filter is made easier with the app. Electronic components section:- - Resistor - Capacitor - Inductor - Transient voltage suppressor(TVS) - Rectifier diode - Signal diode - Zener diode - Bipolar junction transistor(BJT) - Metal oxide field effect transistor(MOSFET) - 555 timer - Operational amplifier (Op-amp) - Arduino boards (arduino uno and arduino nano) - Atmega 328 - Voltage regulator integrated circuit(IC) - Multiplexers - Demultiplexers - Encoders -Decoders - Flip-flops - Counters - Shift registers Electronics calculator section:- - NE555 timer Astable multivibrator - NE555 timer monostable multivibrator - Bipolar junction transistor (BJT) analysos - Inductor winding - Toroidal inductor winding - Transformer winding - Butterworth, Bessel, Chebychev passive filter calculator - Sallen - Key active filter calculator - Inverting, noninverting and difference operational amplifier calculator - Resistor in series calculator - Resistor in parallel calculator - Capacitor in series calculator - Capacitor in parallel calculator - Capacitance of a capacitor calculator - Resistance calculator - Series LRC circuit impedance and reactance calculator - Parallel LRC circuit impedance and reactance - Charging and discharging a capacitor - Charging and discharging an inductor - Polyester film capacitor code - Ceramic capacitor code - Resistor color code - Air core inductor - Voltage divider - Current divider - Ohms law (current, voltage and resistance relation in a circuit) - Delta to star resistor network conversion - Star to delta resistor network conversion - Light emitting diode (LED) resistor calculator - Double pole Sallen - Key - Butterworth filter components value calculator - Surface mounted (SMD) resistor code calculator - Pi, Tee and Bridge attenuator - Radio frequency(RF) calculator - Alternating current (AC) power - Direct current(DC) power

Learn Arduino programming from scratch with 200+ practical lessons, circuit diagrams, and ready-to-use code examples. For beginners, students, hobbyists, and engineers looking to learn Arduino from scratch or advance their skills — build real projects, understand electronics, and master Arduino. The app includes a wide collection of electronic components, analog and digital sensors, and external modules used with Arduino. Each topic includes: • Clear, detailed explanations of how components work • Step-by-step wiring instructions and circuit guidance • Integration steps with practical usage tips • Ready-to-use Arduino code examples • Interactive quiz questions Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! The Pro version includes additional tools for faster learning and easier navigation: • Advanced lessons, circuit diagrams, and code samples • Full-text search across all Arduino lessons and components • Favorites to save and organize important topics The application provides detailed lessons and wiring guides for a wide range of hardware components commonly used with Arduino, including: • GPIO, buttons, LEDs • ADC, PWM • UART, I2C, SPI communication • Distance, motion, and infrared sensors • Temperature, humidity, and pressure sensors • Light, sound, gas, and touch sensors • LCD and OLED displays • Motors, relays, and actuators • Accelerometers and gyroscopes • Real-time clock modules These examples include wiring diagrams, explanations, and ready-to-use Arduino code. The built-in programming course covers essential C++ topics used in Arduino development: • Data types and variables • Operators and expressions • Control structures and loops • Arrays and strings • Functions and scope • Math and random functions • Bitwise operations • Preprocessor directives All lessons, component descriptions, and quizzes are regularly updated and expanded in every new app version. "Arduino" and all other mentioned trade names are trademarks of their respective owners. This app is an independent educational product and is not affiliated with, endorsed by, sponsored by, or associated with Arduino or any other company.