With this NE555 calculator you can calculate Frequency and Duty Cycle of NE555 Timer IC based Astable Miltivibrator Circuit. NE555 timer IC can be configured to generate square wave. This NE555 Calculator App will help you to calculate the frequency of the square wave and duty cycle.

 

NE555 Calculator works on the principle of Astable Multivibrator. Following circuit diagram demonstrates the circuit of the square wave generator.

 

 

NE555 Frequency & Duty Cycle Calculator

Enter the values of VR1, VR2 and C1 shown in the above circuit diagram. The tool calculates the Frequency and Duty Cycle dynamically as you type. You can enter decimal values in the fields below.

VR1:
Kilo Ohms

VR2:
Kilo Ohms

C1:
micro Farad

 

 

 

 

NE555 Resistor / Capacitor Calculator

Enter the values of LED On time, Off time and either of resistors or capacitors. It dynamically calculates the rest as you type. You can enter decimal values in the fields below.

On Time:
seconds

Off Time:
seconds

VR1:
Kilo Ohms

VR2:
Kilo Ohms

C1:
micro Farad