Electronics Toolbox: Circuits

Electronics Toolbox is an all-in-one electronics calculator, circuit design toolkit, and component reference for students, engineers, technicians, makers, and hobbyists. Calculate circuit values, decode resistor and SMD codes, design filters, analyze op-amp and transistor circuits, work with 555 timers, calculate PCB trace width, and quickly reference electronic components and ICs. Electronics & Circuit Calculators • Ohm’s Law calculator • Voltage, current, resistance and power • Voltage divider calculator • Resistors in series and parallel • Capacitors in series and parallel • Capacitor charge calculator • Capacitive and inductive reactance • Series RLC resonance calculator • LED resistor calculator • Resistor ratio calculator • Y–Δ / Δ–Y converter • Pi, T and bridged-T attenuators • Adjustable voltage regulator calculator Resistor, SMD & Component Tools • Resistor color code calculator • SMD resistor code lookup • Capacitor reference • Diode reference • Transistor reference • Inductor and choke reference • IC and electronic component reference 555 Timer & Op-Amp Tools • 555 astable calculator • 555 monostable calculator • Inverting op-amp calculator • Non-inverting op-amp calculator • Differential amplifier calculator • Transistor amplifier calculator • Q-point visualization Filter Design Design common electronic filters including: • Butterworth filters • Chebyshev filters • Bessel filters • Sallen-Key active filters • Low-pass filters • High-pass filters • Band-pass filters • Band-stop filters PCB & Circuit Design Tools • PCB trace width calculator • Attenuator design • Voltage regulator calculations • Resistance and capacitance networks • Reactance and resonance calculations Electronic Component Reference Learn and reference common components and IC building blocks, including resistors, capacitors, inductors, choke coils, signal diodes, rectifier diodes, Zener diodes, BJTs, MOSFETs, op-amps, 555 timer ICs, encoders, decoders, multiplexers, demultiplexers, shift registers, counters, ATmega328, Arduino Uno, and more. Who is it for? Electronics Toolbox is useful for: • Electronics engineering students • Electrical and electronics engineers • Technicians • Electronics hobbyists • Makers and DIY builders • Arduino and embedded projects • Circuit designers Why use Electronics Toolbox? ✓ Electronics calculators in one app ✓ Circuit design and analysis tools ✓ Resistor color code and SMD tools ✓ 555 timer and op-amp calculators ✓ Filter design calculators ✓ PCB trace width calculator ✓ Electronic component references ✓ Fast, clean and easy to use Whether you are learning electronics, designing circuits, troubleshooting a project, or working on engineering calculations, Electronics Toolbox gives you practical electronics tools, circuit calculators, and component references in one app.