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About Electrodroid - electronics in your hand

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, Audio DIN connector, XLR/DMX, ATX Power, PC peripheral connectors, EIDE/ATA, SATA, PS/2-AT, MIDI/Game port, Apple 30-pin, Apple Lightning connector, PDMI, OBD-II, 25-pair phone cable color code, Color Code for Fiber Optic Cables, MIDI connector, ISO connector for car audio, Arduino pin-outs); 
• Resources (USB specification, 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, Coin Batteries, 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: 
For FAQ and full change-log, visit 

The Android robot in the logo is modified from work created and shared by Google and used according to terms described in the CC BY 3.0 License.

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Frequently Asked Questions(FAQ)

What is Electrodroid?

Electrodroid is a collection of electronics tools and references available on Android devices.

What features does Electrodroid have?

Electrodroid includes features such as resistor color code decoding, SMD resistor code, inductor color code decoding, Ohm's law calculator, reactance/resonance calculator, voltage divider, and many more.

Is Electrodroid a free app?

Yes, Electrodroid has a free version available. However, it contains ads. There is also a PRO version of the app that can be purchased to support the developer and unlock more features.

Can Electrodroid calculate capacitor charge?

Yes, Electrodroid has a capacitor charge calculation feature.

Does Electrodroid support EIA resistor series?

Yes, Electrodroid offers full support for EIA resistor series in all its calculators.

Can Electrodroid be expanded with plugins?

Yes, Electrodroid supports plugins to expand its functionality, such as PIC and AVR micro-controllers Database, simulators, and parts search.

Where can I find the Electrodroid PRO version?

The Electrodroid PRO version can be found on the Google Play Store at the following link: [link]

Where can I find the FAQ and change-log for Electrodroid?

For the FAQ and full change-log of Electrodroid, you can visit the website
Love this one for great how to s and basic electric circuit troubleshoot s
Bri Holt
Kuldeep kiroriwal
Extremely helpful app OMG this made my life a lot easier Happy to find about it I hope more electronics enthusiasts/learners/hobby people find this at the beginning of their ambition to continue their journe...
Robi tops
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Rashidul Hasan
Noel Portelli