# Electronics toolkit

The Electronics Toolkit is a helpful app with dozens of tool calculators and references for students and hobbyists of electronics engineers

Calculator:

• Resistor Color Codes – Calculate the resistance of the resistors by selecting the colors of the tapes

• SMD Resistor Codes – Calculate the resistance of SMD resistors by entering the number

• LED Resistance Calculator – Calculate the resistance required to connect an LED to a power source

• Parallel Resistors – Calculate the resistance of parallel resistors

• Voltage Divider – Calculate the output voltage of a voltage divider

• Series Resistors – Calculate the resistance of the resistors connected in series

• Ohm’s Law – Calculate the voltage current of the resistor by inputting the other two

• Capacity Calculator – Calculate the capacity 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 the 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

• Device converter – device converter for length temperature range volume weight time angle power and base

• Operational Amplifier Calculator – Calculate the output voltage of non-inverting inverting summing and differential operational amplifiers

• Wheatstone Bridge – Calculate the resistance of a resistor in a symmetrical bridge, or the output voltage

• Inductance Codes – Calculate the inductance of the inductors by entering the number

• Capacitor Codes – Calculate the capacitance of the capacitors by entering the number

• DAC and ADC Calculators – Calculate the output from digital-to-analog and analog-to-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 a capacitor

• Slew Rate Calculator – Calculate slew rate

• Star-Delta Transformation – Calculate the resistances in a Star-Delta Transformation

• Zener calculator – calculate the resistance of the resistor and the voltage of the zener

• Air Core Inductor Calculator – Calculate the inductance and cable length of an air core inductor

• 555 Timer Calculator – Calculate the high and low times of the frequency cycle duty cycle of a popular 555 timer circuit

• Plate capacitor calculator – Calculate the capacitance of a plate capacitor

• Resistance Against Color Code Calculator – Calculate the colors on the resistor by entering the resistance

• LM317 – Calculate the output voltage of an LM317

• Low pass filter

• Wire Resistance – Calculate the resistance of the 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 any of the segments or clicking a button to display a hexadecimal character

• ASCII – decimal hexadecimal binary octal and char ASCII table

• Resistivity – Table showing the resistivity of base metals at 293K

• Arduino pinout

• 4000 and 7400 series IC pinout diagrams

Other:

• Bluetooth – Connect to a Bluetooth module like the HC-05 to communicate with an Arduino or other microcontroller using the terminal button and slider

PERMISSIONS

• Read the contents of your USB memory and change or delete the contents of your USB memory – to save pictures of IC pinout diagrams

• Receive data from the Internet and view network connections and full network access – used to load IC data list and collect statistics with Google Firebase

• Pair with Bluetooth devices and access Bluetooth settings – used to connect to Bluetooth devices

• Prevent device from going to sleep – Prevents Bluetooth devices from disconnecting

Publication by Lunadev

What’s new:

Troubleshooting

**Screenshots**

**Downloads**