Electronics Toolkit Pro for iOS

Features:

Calculators:

Resistor color codes - calculate the resistance of resistors by selecting the colors of the bands

SMD resistor codes - calculate the resistance of SMD resistors by entering the number

LED resistor calculator - calculate the needed resistance to connect en LED to a power source

Parallel resistors - calculate the resistance of resistors in parallel

Voltage divider - calculate the output voltage of a voltage divider

Series resistors - calculate the resistance of resistors in series

Ohm's law - calculate the voltage, current of resistance by entering the other two

Capacitance calculator - calculate the capacitance, voltage or charge by entering the other two

Battery discharge - calculate the time it takes to discharge a battery

Inductor color codes - calculate the inductance of inductors by selecting the colors of the bands

Parallel capacitors - calculate the capacitance of capacitors in parallel

Series capacitors - calculate the capacitance of capacitors in series

Unit converter - unit converter for length, temperature, area, volume, weight, time, angle, power and base

Op-amp calculator - calculate the output voltage of non-inverting, inverting, summing and differential opamps

Wheatstone bridge - calculate the resistance of one resistor in a balanced bridge or calculate the output voltage

Inductor codes - calculate the inductance of inductors by entering the number

Capacitor codes - calculate the capacitance of capacitors by entering the number

DAC and ADC calculator - calculate the output of digital-analog and analog-digital converters

Wavelength frequency calculator - calculate the frequency or wavelength of a wave

SI prefixes - convert numbers with SI prefixes

Capacitor energy - calculate the energy in an capacitor

Slew rate calculator - calculate the slew rate

Star delta transformation - calculate the resistors in a star delta transformation

Zener calculator - calculate the resistance of the resistor and voltage of the zener

Air core inductor calculator - calculate the inductance and wire length of an air core inductor

555 timer calculator - calculate the frequency, period, duty cycle, high time and low time of a popular 555 timer circuit

Plate capacitor calculator - calculate the capacity of a plate capacitor

Resistance to color code calculator - calculate the colors on the resistor by entering the resistance

LM317 - calculate the output voltage of an LM317

Low pass filters

Wire resistance - calculate the resistance of electrical wire

RMS voltage

Decibel calculator

Reactance

Tables:

Logic gates - truth table of the 7 logic gates with interactive buttons

7-segment display - interactive display that you can change by clicking on one of the segments or by clicking on a button to show a hexadecimal character

ASCII - decimal, hexadecimal, binary, octal and char ASCII table

Resistivity - table with the resistivity of common metals at 293K

Arduino pinout

Pinout diagrams of 4000 and 7400 series ICs

Other:

Bluetooth - connect to a bluetooth module like the HC-05 to talk with an arduino or other microcontroller with the terminal, button and slider modes