Electronics Kit 4+

Siu Yuen Ho

    • 4.8 • 53 Ratings
    • Free
    • Offers In-App Purchases



This app is a powerful collection of electronics tools. It is suitable for hobbyist, electronic engineers or professionals

The FREE version may contain ads. You can also buy the PRO version to support the developer, unlock more features and get rid of the ads.

Component value function is a tool for find combination of components to making desired corner frequency, equivalent resistance, equivalent capacitance, equivalent inductance, etc. It is useful for designers have different choices of limited components

● Calculators : Component value range, SMD resistor code, Resistor in series and parallel, Capacitor in series and parallel, Inductor in series and parallel, Impedance calculator, Ratio calculator, Voltage divider, Ohm's law, RC charging / discharging, LED resistor calculator, RC, RL, LC filter, Wheatstone bridge, Operational amplifier, Adjustable voltage regulator, 555 timer calculator, Power dissipation calculator, Coil inductance, Battery life calculator, Trace width calculator, Frequency converter, RMS converter, Decibel converter, Range converter, Temperature calculator, matrix, complex matrix, simultaneous equations, Routh-Hurwitz, link budget, dipole antenna

● Pinout : audio DIN , DVI, Ethernet, Firewire, Game port, HDMI , Lightning port, Mini-Display port, PS/2 connector, Parallel port, Phone jack connector, RCA connector, Registered jack, S-video, SDCard , Serial port, SIM card, USB, VGA , XLR connector

● Resource : Circuit symbol, SMD resistor package, SMD capacitor package, TTL 7400 series, CMOS 4000 series, SMD marking, ASCII table, logic gate , Resistivity table, Batteries, Ampacity, AWG wire, SWG wire, World plug

● Share CSV via AirDrop

● Share CSV to iCloud Drive

What’s New

Version 1.7.75

Update AI resources

Ratings and Reviews

4.8 out of 5
53 Ratings

53 Ratings

Ali very big man ,

This is very nice

This app has been very useful iam a starter at this and its so easy to know what unit or many units a certain peice is

Jude from palmerton ,

Just found this app

Very good for reference . Finally an app that has value.
Must have app

Sam105512 ,

This app is so good

I gave it 5 out of 5 stars. on this review.

App Privacy

The developer, Siu Yuen Ho, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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