电路专家ElectroDroid是一款电路电子器件的学习软件，比较专业化，它能够为你提供各种电路方面的信息查询和计算服务，是电子相关行业人士的必备工具之一。它包括：

-电阻色码计算器

-贴片电阻代码

-电感色码计算器;

-欧姆定律计算器;

-电抗计算器;

-分压器计算器;

-电阻值/电阻串联/电阻并联计算器;

-电容充电计算器;

-运算放大器计算器;

-LED（发光二极管）电阻值计算器;

-LM317的计算器;

-NE555计算器

-功耗计算器;

-电池寿命计算器;

-电感的设计工具;

-电压降计算器;

-PCB走线宽度计算器;

-过滤器计算器;

-支持端口引脚输出（USB，串行，并行，以太网接口，SCART，DVI接口，HDMI接口，S -视频，VGA，火线，杰克，XLR，RCA，DMX，ATX，Molex公司，EIDE，SATA）;

ElectroDroid Pro v3.3

Android | .apk | 3.27mb

Description:

ElectroDroid PRO is a simple and powerful collection of electronics tools and references.

The app includes:

• Resistor color code decoder (3-6 bands, with inverse look-up);

• 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 (with customizable database);

• Adjustable voltage regulator/LM317 calculator (with customizable values);

• Heat dissipation;

• Battery Life calculator;

• Inductor design tool;

• Voltage Drop calculator;

• PCB Trace Width calculator;

• Simple Filters calculator;

• NE555 calculator;

• Power Calculator;

• RMS Converter;

• Decibel Converter;

• Frequency Converter;

• Analog-Digital Converter;

• 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, SD card, Raspberry Pi, LCD, GPIB/IEEE-488);

• 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, PT100 Conversion Table, Fuses and Automotive Fuses color code);

• 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).

Requires Android: 1.5+