Electrohelper - Electronics lab in your pocket
Anas Abubakar Tools
Electronic components reference and circuit calculator
- Rating
- 4.6
- 251 ratings
- Downloads
- 5.5K+
- on Google Play
- Price
- $1.59
- No in-app purchases
- Updated
- Sep 1
- 2026 · v3.12
Screenshots
About Electrohelper - Electronics lab in your pocket
Electrohelper is an app perfect for Electrical/Electronics engineering students and electronics hobbyists/enthusiasts. It helps you lookup electronic component information quickly. You can also perform circuit calculations with the app, it covers detail information about electronics components and common electronics circuits.
The app provides you with the information you need to understand how electronics component works, the app provides the list of common electronics components for a project like the list of common rectifier diodes, common signal diodes, common BJTs, etc.
App features include:
Electronics components reference section
Circuit calculations section
Common Electronics Circuit section.
The app provide detail information for the following electronic components
Resistor.
Capacitor.
Inductor.
Transformer.
Choke.
Transistor.
Operational amplifier.
555 Timer.
Electrolytic capacitor.
Light-emitting diode.
Signal diode.
Rectifier diode.
Voltage regulators.
Here are the available calculations in the circuit calculator section:
Passive Butterworth filter calculations/design.
Sallen-Key filter calculations/design.
555 Timer astable multivibrator calculations.
555 Timer monostable pulse duration calculations.
Resistor color code calculator.
Series resistor calculator.
Parallel resistor calculator.
Voltage divider calculator.
LCR impedance calculator.
LCR resonance calculator.
Operational amplifier calculator.
Inverting amplifier calculator.
Non-inverting amplifier calculator.
Difference amplifier calculator.
LED resistor calculator.
Zener diode voltage regulator calculator.
Inductor winding calculator.
Capacitive reactance calculator.
Inductive reactance calculator.
Bipolar Junction Transistor parameters calculator.
Delta - Star.
Star - Delta.
Current divider calculator.
Parallel RLC calculator.
Series RLC calculator.
Resistance calculator.
Capacitance calculator.
Filter calculator.
etc
Common circuit section includes:
Active rectifier circuit.
Bandpass filter circuit.
Transistor astable multivibrator circuit.
MOSFET amplifier circuits.
Class A amplifier circuit.
Class B amplifier circuit.
Differential amplifier circuit.
Colpitt oscillator.
Hartley oscillator circuit.
Low pass filter circuit
High pass filter circuit.
etc.
The App will keep improving with each and every update.
The app provides you with the information you need to understand how electronics component works, the app provides the list of common electronics components for a project like the list of common rectifier diodes, common signal diodes, common BJTs, etc.
App features include:
Electronics components reference section
Circuit calculations section
Common Electronics Circuit section.
The app provide detail information for the following electronic components
Resistor.
Capacitor.
Inductor.
Transformer.
Choke.
Transistor.
Operational amplifier.
555 Timer.
Electrolytic capacitor.
Light-emitting diode.
Signal diode.
Rectifier diode.
Voltage regulators.
Here are the available calculations in the circuit calculator section:
Passive Butterworth filter calculations/design.
Sallen-Key filter calculations/design.
555 Timer astable multivibrator calculations.
555 Timer monostable pulse duration calculations.
Resistor color code calculator.
Series resistor calculator.
Parallel resistor calculator.
Voltage divider calculator.
LCR impedance calculator.
LCR resonance calculator.
Operational amplifier calculator.
Inverting amplifier calculator.
Non-inverting amplifier calculator.
Difference amplifier calculator.
LED resistor calculator.
Zener diode voltage regulator calculator.
Inductor winding calculator.
Capacitive reactance calculator.
Inductive reactance calculator.
Bipolar Junction Transistor parameters calculator.
Delta - Star.
Star - Delta.
Current divider calculator.
Parallel RLC calculator.
Series RLC calculator.
Resistance calculator.
Capacitance calculator.
Filter calculator.
etc
Common circuit section includes:
Active rectifier circuit.
Bandpass filter circuit.
Transistor astable multivibrator circuit.
MOSFET amplifier circuits.
Class A amplifier circuit.
Class B amplifier circuit.
Differential amplifier circuit.
Colpitt oscillator.
Hartley oscillator circuit.
Low pass filter circuit
High pass filter circuit.
etc.
The App will keep improving with each and every update.
User reviews
Very useful app
👍
Ok
Good
Exllantee
Working for me
Frequently asked questions
What is Electrohelper?
Electrohelper is an app designed for Electrical/Electronics engineering students and electronics hobbyists/enthusiasts. It provides quick access to electronic component information and allows users to perform circuit calculations.
What features does Electrohelper have?
Electrohelper includes an electronics components reference section, a circuit calculations section, and a common electronics circuit section.
What types of electronic components does Electrohelper provide information on?
Electrohelper provides detailed information on components such as resistors, capacitors, inductors, transformers, transistors, operational amplifiers, 555 Timers, and more.
What types of circuit calculations can be performed with Electrohelper?
Electrohelper allows users to perform calculations and design for passive Butterworth filters, Sallen-Key filters, 555 Timer astable multivibrators, 555 Timer monostable pulses, resistor color codes, series and parallel resistors, voltage dividers, and more.
What common circuits are included in Electrohelper?
Electrohelper includes circuits such as active rectifiers, bandpass filters, transistor astable multivibrators, MOSFET amplifier circuits, Class A and Class B amplifier circuits, differential amplifier circuits, and various types of oscillator and filter circuits.
Will Electrohelper continue to improve?
Yes, the app will continue to improve with each update, adding new features and expanding its content.
Alternatives to Electrohelper - Electronics lab in your pocket
Looking for apps like Electrohelper - Electronics lab in your pocket? Here are 3 similar Android apps on Google Play. The highest rated is Electronics Lab (4.6/5), and all 3 are free to download.
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Electrohelper - Electronics lab in your pocket | 4.6 / 5 | $1.59 | 5,000+ | Sep 1, 2026 | |
| Electronics Lab | 4.6 / 5 | Free | 10,000+ | Feb 18, 2021 | Compare |
| Circuit Jam | 4.3 / 5 | Free | 1,000,000+ | Sep 9, 2023 | Compare |
| TESLA Smart | – | Free | 100,000+ | May 18, 2026 | Compare |