Smartphones today have become an amalgamation of many tools. Gone are the days when you would use a phone simply for making calls. Today, you can use your smartphone to click pictures, edit them and set up cloud servers even. That's not the end of it, if you're an electronics engineer, you can download a variety of apps that help you analyse circuits using your phone. Pretty great, isn't it? Here, take a look!

1. Short Circuit Analysis

This app can be used for short circuit analysis using the point-to-point method for systems that are up to the 600 V service range.

2. EveryCircuit

EveryCircuit is not just an eye candy. Under the hood it packs custom-built simulation engine optimised for interactive mobile use, serious numerical methods, and realistic device models. In short, Ohm's law, Kirchhoff's current and voltage laws, nonlinear semiconductor device equations, and all the good stuff is there. There are free and paid version to this.

3. Matrix Operations

This application can be used for performing simple operations with matrices, like,

- Transposition
- Calculate determinant
- Sum and diff of matrices
- Multiplication of matrices
- Multiplication of a matrix by number
- Calculate rank
- Find inverse
- Solve systems of linear equations (with Gauss algorithm) A*X=B.

4. CalcPro

This is an application has been designed for engineers but can be used by anyone. Once you open the app you'll see a simple calculator with a swipe keyboard but there's much more behind it. This is an engineering calculator, with equation solvers, interpolations, matrices, wolfram alpha, converter, complex numbers, custom functions, variables, with more to be added in the future.

5. Automotive Electronics 2

Automotive Electronic Diagnostics (Course-2) is the second of a two book series that deals with this subject. This course 2 covers in great detail how to interpret automotive wiring diagrams and most important of all, how to follow the current path. Subject matter such as current path, data path on automotive networked computers, motor ripple counter, and various other automotive circuits. This book is a natural follow up to part-1 or course-1, which deals with principles of electronics and various automotive components. Both these books are compliments and companions to a DVD-Video series by the same tittle. These two books should also prepare anyone interested in the automotive repair and diagnostic field for the present and future state of automotive technology.

6. The Electric Game

The Electric Game is a fun way to learn or teach basic electronics and electricity. Activities relate green energy to electronic principles. This is not another electronics calculator. Players must apply electrical principles to progress in the quests. Topics on Ohm’s law, electrical power, series circuits, parallel circuits, Kirchhoff’s voltage law, Kirchhoff’s current law are included.

7. All Charts Pro

The pro version of All Charts (also available in a Free version) comes with the following added features,

- Wire ampacities with derating and temperature correction
- Grounding Table
- Conduit spacing and knockout diameters
- Point to point short circuit analysis
- It has additional functionality for conduit fill, voltage drop and motors than what the free version offers.
- It also enable the user to screen capture the result page and share it via email, SMS etc.

8. Analog Electronics

With a list of 33 features, this is a very good circuit analysys application to keep on your smartphone.

- PI and T attenuator
- Power and voltage converter
- Parallel LCR impedance/resonance
- Series LCR impedance/resonance
- Inductor impedance
- Capacitance impedance
- Ohm's Law
- Radio equation calculator (1-way path loss)
- Air Core Inductor Inductance Calculator
- Capacitor impedance
- Noise floor
- Amplifier cascade (NF, Gain, P1db, OIP2, OIP3)
- Low Pass filter
- High Pass filter
- Helical antenna
- Band Pass filter
- Band Stop filter
- Peak to RMS (peak, RMS, average, CF)
- Mixer harmonics
- Resistor Color Code calculator.
- PCB Trace Width and Clearance Calculator
- Series and Parallel component (R, L and C) calculations.
- Reverse Series and Parallel resistor calculations.
- Inductor Color Code Calculator.
- Capacitor Charge Calculator.
- Led Resistor Calculator.
- Voltage Divider Calculator.
- Opamp Calculator
- Wavelength calculator
- LCR Parallel - Series Conversion Calculator
- Inductor Charge Calculator.
- Heat Sink temperature calculator
- Thermal via calculator

9. Automotive Relay Circuit Guide

This book is a comprehensive work on automotive relays and their circuit analysis. It is also a companion to a video DVD series of the same title. It analyses how automotive relays are connected with their peripheral components. Each section starts with the specifics of the components used in that circuit and then there’s a deep analysis of how current flows on the circuit. The idea is to first explain and give the reader the particulars of each circuit, then go deeper and analyse why the circuit behaves the way it does, how to diagnose it and how to connect it in case the whole wiring is missing, obsolete or simply was never present to begin with.

http://efytimes.com/e1/fullnews.asp?edid=140725

Excellent!
I think we need a new Technology Section

awesome post, tanx op, downloading dem ryt away.

OP I think Electrodroid should be on that list. I use Everycircuit and Electrodroid and they are both amazing.

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September Arrivals

ISD1820 Voice Recording Module
TDA2030 Amplifier Module
W5100 Ethernet Shield
9 Pin 10k A09-103 Resistor pack
8 Channel Relay module
microSD Card Module
CP2102 USB-TO-TTL
L7805CV
ST Link V2
STM32F103C8T6 ARM Minimum Board
Electronic Door Lock
MB-102 (830 Point) Bread Board
20cm Dupont male – female
20cm Dupont male – male
GPS Receiver
MG995 Metal Gear Servo
MG90S Metal Gear Mini Servo
SG90 Mini Servo
Stepper Motor with ULN2003 motor driver board
LM35 Temperature Sensor
HLK-PM01 AC-DC 220V to 5V mini power supply
RFID NFC PN532 Shield
MLX90614 Contactless Temperature Sensor Module
DHT11 Temperature And Relative Humidity Sensor Module
Servo Pan/Tilt Anti-Vibration Camera Mount
Kinsten Positive Acting Presensitized Single-sided PCB PP1015 (10×15)cm x 1.6mm
Kinsten Positive Acting Presensitized Double-sided PCB PP1015 (10×15)cm x 1.6mm
FR4 PCB Single Side Copper Clad Board. 70 x 100 x 1.5 mm
FR4 PCB Double-Side Copper Clad Board, 150 * 100 * 1.6 mm
1W Zener diode 3.3v -30V
DIY KIT GSM GPRS 900 – 1800 MHz Short Message Service SMS module
Robotic Arm
MQ-137 Ammonia Gas Sensor
PH Level Sensor Module