About Electronics Tools & Calc Pro
Electronics Tools & Calculator is a practical collection of electronics calculators, interactive simulators, component references, and tools for students, technicians, makers, hobbyists, and engineers. Use one app to...
Electronics Tools & Calculator is a practical collection of electronics calculators, interactive simulators, component references, and tools for students, technicians, makers, hobbyists, and engineers.
Use one app to perform common electronics calculations, explore concepts visually, check component information, study digital electronics, and access useful tools for amplifiers, filters, motors, and Arduino.
⚡ ELECTRONICS CALCULATORS
Includes calculators for:
• Ohm’s Law: voltage, current, resistance, and power
• Voltage divider
• Resistors in series and parallel
• Capacitors in series and parallel
• Capacitor charge and discharge
• Capacitive and inductive reactance
• RLC resonance
• LED resistor
• Resistor ratio
• Star-Delta and Delta-Star conversion
• Adjustable voltage regulators
• Zener regulator calculations
• Decibels and dBm
• PCB trace width
🔬 INTERACTIVE SIMULATORS
Explore electronics with visual simulations, including:
• Ohm’s Law
• Voltage divider
• Resistors in parallel
• Basic electronic concepts
• Digital electronics
Change values and observe how voltage, current, resistance, and other parameters respond.
🔧 COMPONENT REFERENCES
Quickly look up useful information on:
• Resistors, capacitors, inductors, and chokes
• Diodes, TVS diodes, and Zener diodes
• Transistors and unijunction transistors (UJT)
• IGBT
• SCR, DIAC, and TRIAC
• LDRs and thermistors
• Operational amplifiers
• 555 timer
• LM386
• SMD components
• Common integrated circuits
💻 DIGITAL ELECTRONICS
Reference important digital electronics building blocks:
• AND, OR, NOT, NAND, and NOR gates
• Multiplexers (MUX)
• Demultiplexers (DEMUX)
• Encoders and decoders
• Flip-flops and latches
• Counters
• Shift registers
🎛️ AMPLIFIER TOOLS
Access practical tools and references related to amplifiers, operational amplifiers, transistors, gain, and common electronics applications.
📡 FILTER TOOLS
Work with:
• RC and RL filters
• Low-pass and high-pass filters
• Band-pass and band-stop filters
• Active filters
• Butterworth filters
• Chebyshev filters
• Bessel filters
• Sallen-Key filters
🎨 RESISTOR & SMD TOOLS
• Resistor color code
• SMD resistor code
• Resistance value and color-band conversion
⚙️ MOTORS
Access motor-related tools and references for electronics and electromechanical applications.
🤖 ARDUINO REFERENCES
Use handy Arduino documentation covering basics, pins, digital and analog I/O, PWM, sensors, and common connections.
🎓 USEFUL FOR
• Electronics students
• Engineers and technicians
• Makers and hobbyists
• Electronics repair and troubleshooting
• Circuit design and prototyping
• Arduino and microcontroller projects
• Analog electronics
• Digital electronics
• Power electronics
Electronics Tools & Calculator brings calculators, simulators, electronic component references, digital electronics, amplifier tools, filter tools, motor resources, and Arduino documentation together in one convenient app.
Previous Versions
Here you can find the changelog of Electronics Tools & Calc Pro since it was posted on our website on 2020-08-27 16:09:34.
The latest version is and it was updated on 2026-10-13 11:33:33. See below the changes in each version.
Electronics Tools & Calc Pro version
Updated At: 2026-09-01
Electronics Tools & Calc Pro version 3.9
Updated At: 2026-07-18
Changes: Improved the user interface, added more calculators and electronics circuit simulations
Electronics Tools & Calc Pro version 3.8
Updated At: 2026-02-28
Changes: Added Silicon Controlled Rectifier (SCR/Thyristor), Unijunction Transistor (UJT), Boost Converter Calculator, Buck Converter Calculator, and Colpitts Oscillator. Fixed a few bugs.
Electronics Tools & Calc Pro version 2.2
Updated At: 2021-07-04
Changes: Added logic devices such as multiplexer, demultiplexer, encoder, decoder, flip-flops, counters and shift registers
Electronics Tools & Calc Pro version 2.1
Updated At: 2021-02-16
Changes: Added Notch filter, band pass filter, crossover network and LM386 amplifier
Electronics Tools & Calc Pro version 1.9
Updated At: 2020-08-21
Changes: Bug fixed