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Expert's Review

"Is the red wire or the blue?"

Reviewed by / Jul 05, 2011

A comprehensive tool to learn Electronics.

To most people this application seems pointless. But for those studying or teaching electronics it may be the most essential and the best ever developed app, proving that there's a lot of room to imagine and create new and useful apps.

The app's divided into three main features, set out in tabs: calculator, to help us with all those color codes, laws, voltages and stuff; pin out, with a large description of cables (from USB to any other); and the resource tab, with some useful nomenclature libraries and so on.

Don't forget that there's a donate version if you want to help the developer, Demetrio Iero.

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Developer's original description available here
ElectroDroid is a simple and powerful collection of electronics tools and references.
This is the free version, which contains ads; you can also buy from the Market the PRO version of the app to support the developer, unlock more features and get rid of the ads.

The app includes:
• Resistor color code decoder (3-6 bands);
• SMD Resistor Code;
• Inductor color code decoder;
• Ohm’s law calculator;
• Reactance/Resonance calculator;
• Voltage divider;
• Resistors ratio, value/series/parallel;
• Capacitor charge calculation;
• Operational amplifier;
• LED resistor calculator;
• Adjustable voltage regulator/LM317 calculator;
• Heat dissipation;
• Battery Life calculator;
• Inductor design tool;
• Voltage Drop calculator;
• PCB Trace Width calculator;
• Simple Filters calculator;
• NE555 calculator;
• Power Calculator;
• Decibel Converter;
• Frequency Converter;
• Analog-Digital Converter;
• Y-Δ Transformation;
• Port pin-out (USB, Serial, Parallel, Ethernet, RJ, SCART, DVI, HDMI, S-Video, VGA, VESA, Display Port, FireWire, Jack, RCA, XLR/DMX, ATX Power, PC Molex, EIDE, SATA, PS/2-AT, MIDI/Game port, Apple 30-pin, PDMI, OBD-II, 25-pair phone cable color code, Color Code for Fiber Optic Cables; ISO connector for car audio; Arduino pin-outs);
• Resources (Resistivity table; Table of standard resistors and capacitors; Capacitor marking codes; AWG and SWG Wire size; Ampacity Table; Symbols and Abbreviations; Circuit Schematic Symbols; SI Units prefixes; Battery info; Boolean logic gate and algebra Theorems; 7400 info and pinout; ASCII codes, Batteries list, 78xx IC, ChipDB IC pinouts, Switch Information, Decibel Table, PIC ICSP/AVR ISP, SMD Package Size, Radio frequencies);
• Full support for EIA resistor series for all calculators;
...and more to come!

The app has also support for plugins to expand functionality of the application (e.g. PIC and AVR micro-controllers Database, simulators, parts search).

If you like the program, please rate it, and buy the full version to support the development.
Electrodroid PRO link: https://play.google.com/store/apps/details?id=it.android.demi.elettronica.pro

For FAQ and full change-log, visit http://electrodroid.it

Recently changed in this version

• negative values in ADC converter;
• improved some functions (decibel converter, amplifier, etc);
• popup in inductor color code;
• solved flashing screen on rotation;
• fixed bug in resistor color code;
• fixed bug in resistor look-up;
• updated some resources;
• minor bugs fixed;
• updated translations;

Lists with ElectroDroid

Some lists where this application appears: Reviewed by Peter Warrior, Analizadas por Mar GP.

Comments and ratings for ElectroDroid
  • (77)

    by jatin patel on 08/04/2014


  • (77)

    by Adam Baragar on 08/04/2014

    I wish I had stumbled upon this app sooner.

  • (77)

    by Thomas Little on 07/04/2014

    This little app is filled with all kinds of information for the electronic hobbiest/professional. This is a goto tool for quick lookup of everything dealing with electronics.

  • (77)

    by Mohsin Mahmood on 07/04/2014

    awesome app...!!!

  • (77)

    by Andrei Cioaca on 06/04/2014

    I wish to see in it a new module for calculating capacitor multiple led drivers direct from main 230V.

  • (77)

    by John Mtahn on 06/04/2014

    Wonderful app

  • (77)

    by Prashant E on 06/04/2014

    Bap. Han yeh