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First Android release of Electrocalc: 85 calculators, 44 pinout and reference sheets, 10 unit converters and a circuit simulator. Works offline.
85+ electronics calculators, circuit simulator, resistor scanner & pinouts.
Electrocalc is a complete electronics toolkit for engineers, students and hobbyists. Calculate, simulate and look up everything you need at the bench, all in one app that works offline, with no account and no ads. CALCULATORS (85+) • Basics: Ohm's Law, voltage divider, series/parallel, LED resistor, voltage drop, RC time constant, decibel • Components: resistor color code (4/5/6 band), SMD resistor and capacitor codes, inductor codes • Circuits: NE555 timer, op-amp, BJT bias, MOSFET switch, Schmitt trigger, comparator, H-bridge • Power: buck/boost converters, LDO, voltage regulators, heatsink and thermal design, battery life, solar PV, fuse sizing • Filters and RF: passive and active filters, impedance matching, antenna and dipole design, link budget, skin depth, PLL/VCO • Design: PCB trace width, cable size, transformer and inductor design, three-phase and power factor CIRCUIT SIMULATOR Build circuits by touch with resistors, sources, capacitors and inductors, then run a DC analysis to see node voltages and branch currents. RESISTOR SCANNER Point your camera at a resistor to identify its color bands. REFERENCE & PINOUTS Pinouts and quick references for Arduino boards, ESP32, ESP8266, ATmega328P, STM32 Blue Pill, common sensors (DHT, DS18B20, BMP280, MPU6050, HC-SR04), displays, logic gates, I2C, UART, AWG wire table, ASCII table, electronic symbols and a formula sheet. CONVERTERS Resistance, capacitance, inductance, voltage, current, temperature, angle and number systems. ELECTROCALC PRO 12 core calculators, all references and converters are free. A one-time Pro purchase unlocks: • All 85+ calculators • The full circuit simulator workspace • Unlimited saved circuits • PDF export of your calculations No subscription. Pay once, keep it forever.