Version 5.0.1:
• bug fix;

Version 5.0:
• new app name: Electrodroid is now Electrodoc;
• capacitor series/parallel calculator;
• dark theme;
• rewritten large parts of the app;
• optimized layouts;
• new high quality images;
• support for resistors <1 Ohm;
• minimum Android 5 required;
• translation updates;

Version 4.9.1:
• bug fix;

Version 4.9:
• new resources: Raspberry Pi4, USB 3.2 specification;
• updated various resources;
• table headers fixed at the top;
• updated deprecated Google libraries;
• bugs fix and various improvements;
• translation updates;

Version 4.8.1:
• bug fix;

Version 4.8:
• new resources: capacitors marking codes (EIA Class 1, tolerance, voltage);
• added more formulas [Pro];
• bugs fix;
• translation updates;

Version 4.7:
• more options and materials in voltage drop calc;
• added more material to resistivity table;
• new Resources: NEMA connectors [Pro];
• bugs fix;
• translation updates;

Version 4.6:
• bug fix and performance improvements;
• new pinouts: eSATAp, trailer various connectors;
• Raspberry Pi0 W and Pi3+ specs [Pro];
• new app icon;
• added privacy options;
• translation updates;

Version 4.5:
• possibility to lock a value in resistor’s series/parallel;
• support for 2%-5%-10% EIA SMD code values;
• improved precision in dB converter;
• minor fix in Resistor Color Code;
• new pinouts: Power Over Ethernet [Pro], 6-pin JTAG/SWD, 3-pin DMX512;
• updated resources: Ampacity table, new Battery tables;
• fixed resources: Capacitors codes, IEC World Plugs;
• fixed manual language selection in Android 7-8;
• translation updates;

Version 4.4:
• invite and share calculators results with friends;
• added more ICs in the adjustable voltage regulator;
• filter calculator: added R-L-C filter and fixed plot;
• new pinouts: SATA slim and micro power connector;
• new pinouts: Arduino Mega2560, Pro, Pro Mini, MKR1000 [Pro];
• new pinouts: SIM/Smart cards [Pro];
• updated resources: expanded dBm-Watt table;
• improved Google Play license caching for offline use [Pro];
• various bugs fixed;
• translation updates, added Thai translation;

Version 4.3:
• full support for Android 7 and Multi-Window Mode;
• improved SMD resistor code calculator;
• minor fixes in calculators routines;
• new Resources: RS232 on RJ45, ethernet standards, IEC sockets and plugs [Pro];
• fix: World plugs, ChipDB, Symbols and Acronyms, Capacitor marking codes;
• translation updates;

Version 4.2:
• Zener resistor calculator [Pro];
• New Resources: Batteries sizes and capacities;
• Raspberry Pi0 and Pi3 pinout and specs [Pro];
• New Resources: World sockets and plugs [Pro];
• new images in some calculators;
• many small improvements and fixes;
• translation updates, added Vietnamese and Basque languages;

Version 4.1:
• support for Android 6.0 Marshmallow;
• New Pinouts: Trailer connectors [Pro];
• New Resources: International Protection Marking (IPxx codes) [Pro];
• improved Material design theme;
• minor changes in calculators;
• translation updates;
• bugs fix;

Version 4.0.1:
• fixed list order, screen rotation and other minor issues;

Version 4.0:
• Material design;
• Added more formulas, increased performance [Pro];
• New Pinouts: Raspberry Pi2, Arduino Nano, JTAG/SWD;
• New Resources: ISM Radio frequencues, added mm2 in Ampacity table;
• improved RTL support;
• translation updates, added Uyghur;
• bugs fix;

Version 3.7:
• USB 3.1, Type-C connector pinout;
• Apple Lightning pinout;
• Analog Audio DIN pinout;
• Raspberry Pi B+ pinout [Pro];
• translation updates, added Indonesian;
• bugs fix;

Version 3.6.2:
• Raspberry B+ pinout [Pro];
• translation updates;
• bugs fix;

Version 3.6:
• bode plot in filters calculator;
• formulas and references for some calculators (English only at the moment) [Pro];
• new pinouts (JTAG, Arduino Yun, BeagleBone boards, DIN47100) [Pro];
• expanded decibel table;
• bugs fix;

Version 3.5:
• 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;

Version 3.4.4:
• Serial ATA Power pinout;
• bugs fix;
• optimized resources;
• updated translations;

Version 3.4.3:
• fix for Android 2.x;

Version 3.4.2:
• bugs fix;

Version 3.4:
• Y-Δ Transformation;
• Range Converter [Pro];
• faster insertion of values in the popup dialog;
• standard resistors info in resistor color code;
• possibility to choose the resistor’s serie in voltage divider and 555 calculators;
• ISO connector for car audio;
• Arduino Uno pin-outs;
• Arduino Due, Leo, Mega, Micro pin-outs [Pro];
• Thermocouples color codes [Pro];
• bug fix in LM317 calculator;
• Fixed some resources/pinouts;
• bugs fix;
• updated translations, added Ukrainian, Chinese (Taiwan), Tagalog (Filipino), Persian, Arabic, Japanese.

Version 3.3:
• AC/DC Power Calculator;
• RMS Converter [Pro];
• possibility to use a language different than phone default;
• modified voltage drop calculator;
• Pinout PCIE Express 6 and 8 pin, EPS Power 8 pin;
• Fuses and Automotive Fuses color codes [Pro];
• updated Raspberry Pi pinout;
• layout fix for some devices;
• improvements in voltage divider, LM317;
• other minor fixes and improvements;
• updated many translations;

Version 3.2:
• enabled hardware acceleration;
• improved LM317 voltage regulator, customizable Vref [Pro];
• Swisscom/DIN Fiber Color Code;
• mini Displayport pinout;
• ATAPI-44 connector pinout;
• Raspberry Pi GPIO pinout [Pro];
• Character LCD pinout [Pro];
• GPIB (IEEE-488) pinout [Pro];
• improved animation in list customization [Pro];
• theme modification;
• fixed broken pdf links in chipdb;
• minor corrections in pinouts;
• layout fix for some languages;
• updated libraries;
• updated translations, added new languages.

Version 3.1:
• some fixes and improvement in Resistor color code;
• improvement in voltage divider;
• new pinouts: RJ61 (USOC), HDMI type B-C-D (mini/micro), universal cell phone headset;
• updated resources with more info (obd2, ethernet, usb, hdmi, awg, audio Jack, serial);
• minor fixes in some calculators e plugins;
• restored radio frequency;
• updated translations, added new languages.

Version 3.0.1:
• fixed crash on screen rotation on some Android 4.0 phones;
• fixed crash on Android 3.x tablets;
• updated some translations.

Version 3.0:
• completely rewritten main code of the app;
• possibility to order the lists [vers. Donate/Pro];
• modified UI (ICS/JB style);
• support for Android 4.1 (Jelly Bean);
• layout fix for Android 4.x devices;
• minor fix;

Version 2.7:
• updated circuit symbols;
• fixed ampacity table;
• New resources: PT100 Conversion Table [vers. Donate];
• New pinout: SD card [vers. Donate];
• updated translations;
• New translation: Bulgarian;
• bugs fix;

Version 2.6:
• Differential Amplifier;
• LM317 current calculator;
• NE555 monostable mode;
• Resonance calucator;
• 3oz in pcb trace calculator;
• New resources: radio frequency;
• New translation: Romanian;
• bugs fix;

Version 2.5.1:
• bugs fix;
• updated some resources; EIA capacitor marking;
• option to enable plugins tab;
• updated some translations;

Version 2.5:
• Android 4 (Ice Cream Sandwich) support;
• Plugin support (beta version);
• option to keep the screen on;
• possibility to customize led list (only donate version);
• new pinout: Fiber Optic color code, Registered Jack, iPod/iPhone dock, PDMI, MIDI/game port, OBD-II, Vesa, mini-DVI, Display Port;
• new resources: SMD Package size;
• updated and fixed some resources;
• minor fixes;
• Czech translation, Polish is back;

Version 2.4.1:
• Crash fix for chinese language;
• minor fixes;
• updated 7400 ic images;
• updated some translations;
• New translations (Catalan, Greek);

Version 2.4:
• metric/imperial units and °C/°F;
• Decibel converter and tables;
• Frequency converter;
• ADC converter;
• ChipDB (IC pinout);
• New image in resources (vga, paral, usb, etc.);
• Firewire 9pin, XLR power;
• 78xx ic pin-out and circuit sample;
• PIC ICPS / AVR ISP;
• switch symbols;
• bugs fix in led calculator;
• bugs fix in operational amplifier;
• bugs fix in voltage divider;
• bugs fix in smd resistor code (Android 1.6);
• many other fix and improvements;
• New translations (Finnish, Turkish, Portuguese-Brazil);

Version 2.3:
• improved NE555 calculator;
• improved LM317 calculator;
• bug fix in NE555;
• crash fix on orientation change;
• crash fix on setting value (Norwegian language);
• minor fix;

Version 2.2:
• Calculators can be used in landscape mode;
• PCB Trace Width Calculator;
• Simple Filters calculator;
• NE555 astable calculator;
• Inductor design tool available also for the free version;
• High resolution pictures for hdpi screens;
• Variuos bug fixes in calculators (e.g. Resistor Rratio, Voltage Drop);
• Fix errors in resources (e.g. 12V atx alim)
• More symbols in Circuit Schematics (Schottky, SRC);
• PATA-SATA pinout;
• 4-pole Jack pinout;
• Ethernet cross-over cable;
• MS-DOS ASCII code;
• Boolean logic gate and algebra Theorems;
• Some 7400 info and pinout;
• 25 pair cable color code;
• Coin/button battery data;
• Improved Voltage drop calculator (wire cross setion and diameter in inch, mm);
• Improved some resources (e.g. serial port, ATX tolerance);
• USB3 micro connector pinout and Power specifation;
• Minor layout modifications;
• More leds in led resistor calculcator;
• New translations: Polish, Slovak, Norwegian;

Version 2.1:
• fixed Android backup service;
• Voltage Drop Calculator;
• SMD Resistor Code;
• ATX Power connectors;
• PC peripheral Molex connectors;
• DMX512 XLR-5 connector;
• PS/2 and AT keyboard connector;
• ASCII table;
• optimized the images of resistor and inductor and layout fix;
• Simplified Chinese translation;
• Lithuanian translation;
• Android 2.3.1 and 3.0 preview SDK;

Version 2.0.1:
• fix problem with Android backup service;

Version 2.0:
• Android 2.3 Gingerbread support;
• Android backup service support (Android >=2.2);
• PIC Microcontrollers database predisposition;
• rewritten a big part of code for optimization;
• user interface fix for big screens;
• option to disable exit confirmation dialog;
• improved user experience in some calculator (e.g., fast loading);
• Power as variable in Ohm’s law;
• pico value (pF, pH, etc.) and small change in input form;
• more high resolution icons;
• many bugs fix;
• Ampacity Table;
• Circuit Schematic Symbols;
• Portuguese translation;

Version 1.7.1:
• Security update and optimizations;

Version 1.7:
• Reactance Calculator;
• Lookup Resistor color by value (only donate version);
• RCA connector pin-out;
• XLR connector pin-out;
• SI Units prefixes;
• Preferences Menu;
• Hungarian translation;
• French translation;
• Danish translation;
• Optimizations;

Version 1.6:
• 3 and 6 bands resistor color code;
• Inductor design tool (only donate version);
• Improved LED resistor calculator;
• Jack connector pin-out;
• FireWire connector pin-out;
• Text Highlighted when input an item values;
• Serbian, Croatian, BiH translation;

Version 1.5:
• Zoom in the Resources/Pinout pages;
• Scroll for QVGA device;
• Layout fix/improvement;
• fixed translations issue;
• Updated AWG wire size;
• Dutch translation;
• Russian translation;

Version 1.4:
• Donate version available on Market;
• New pinout tab;
• Parallel port pinout;
• VGA port pinout;
• S-Video port pinout;
• USB3 pinout;
• Capacitor Charge Calculation
• Capacitor marking codes;
• Updated AWG wire size;
• Symbols and Abbreviations;
• Tested on Galaxy Tab AVD;
• minor layout changes;

Version 1.3:
• Spanish translation;
• 5 band resistor;
• Battery Life calculator;
• Inductor color code decoder;
• minor layout changes;
• optimization;
• bug fixes.

Version 1.2:
• German translation;
• Swedish translation;
• Table of standard Capacitor;
• AWG, SWG Wire size;
• HDMI pin-out;
• DVI pin-out;

Version 1.1:
• Enabled App2SD (on Android Froyo 2.2);
• LM317 calculator;
• Heat dissipation;
• modification at ohm’s law calculator;
• Table of standard resistors series;
• SCART connector pin-out;
• bug fixes.

Version 1.0:
• resistor color code decoder;
• ohm’s law calculator;
• voltage divider;
• resistor ratio calculator;
• find resistor value/series/parallel;
• operational amplifier;
• LED resistor calculator;
• various port pinout (usb, serial, ethernet);
• resistivity table;
• full support for EIA resistor series.