Gzalo

Voltage and current regulator calculator

Given the values of both resistors and the type of regulator, calculates the output voltage or current of a linear regulator, both in voltage and current regulation mode.

Timers using 555

Calculates the times when using a 555 IC as a monostable or astable.

Timer overflow calculator

Given a timer configuration, it calculates how often it will overflow.

Resistor value calculator

Given the color bands of a resistor, calculates its value and tolerance.

Resistive divider calculator

Given the value of two series resistors and an input voltage, it calculates the output voltage of a resistive divider.

RC filter calculator

Given the values of the resistor and capacitor, calculates the cutoff frequency of an RC series passive filter.

LED resistor calculator

Given the type of LED and the voltage of a power supply, calculates the required resistor to connect it.

Capacitor value calculator

Given the number found in a capacitor, this page calculates its value, as well as the tolerance.