This IC 555 calculator software helps you to compute the output pulse width or the pulse ON delay time of a 555 timer monostable circuit Inputs Capacitor (C) nanoFarad (nF)microFarad (μF) Resistance (R) Ohms (Ω)kiloOhms (kΩ)MegaOhms (mΩ) Output Output Pulse Width (T) Seconds (s)
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IC 555 Astable Timer Circuit Calculator Software
The following calculator helps you to compute the output results of a given IC 555 timer astable circuit Inputs Capacitor (C) nanoFarad (nF)microFarad (μF) Resistance (R1) Ohms (Ω)kiloOhms (kΩ)MegaOhms (MΩ) Resistance (R2) Ohms (Ω)kiloOhms (kΩ)MegaOhms (MΩ) Outputs Frequency Hertz (Hz) Period (T) milliseconds (ms) Duty Cycle Percent (%) Mark Space Ratio Time High (T1) milliseconds […]
Driving Unipolar Stepper Motor using IC 555 Timer
In this project we are going to run a unipolar stepper motor using 555 timer. Apart from 555 timer we also need IC CD 4017 which is a decade counter IC. By Ankit Negi Any unipolar motor can be connected to this circuit for performing specific task, though you need to do some small changes […]
Steps to Build a LCD Socket Timer Circuit
In this post we are going to make a digital socket timer using Arduino whose countdown time can be witnessed via 16 x 2 LCD display. Introduction The proposed circuit is general purpose timer with display and few buttons for setting the time. Once the time is set output goes high and starts countdown the […]
Touch Activated Lamp Circuit with Delay Timer
The proposed transformerless touch activated 220V delay lamp switch circuit enables the user to momentarily switch ON a table lamp or any other desired bed lamp during night time. By Tina Kamat How the circuit Works. Referring to the circuit above, the four diodes at the input form the basic bridge rectifier circuit for rectifying […]
Timer Based Cell Phone Charger Circuit
A simple cell phone charger with timer circuit is presented in the following article, which could be used for charging a given Mobile phone for a specified predetermined length of time. The idea was requested by Mr. Saad. Circuit Objectives and Requirements Could you design me this charger circuit ? Input 230V 60 Hz, and the […]