# Electronics Toolkit

Electronics Toolkit is a helpful app with dozens of tools calculators and references made for electronic engineers students and hobbyists

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

PERMISSIONS
• read the contents of your USB storage && modify or delete the contents of your USB storage – used to save images of IC pinout diagrams
• receive data from Internet && view network connections && full network access – used to load the IC data list and to collect statistics with Google Firebase
• pair with Bluetooth devices && access Bluetooth settings – used to connect with bluetooth devices
• prevent device from sleeping – prevents bluetooth devices from disconnecting

What’s New:
bug-fixes

Screenshots