IC 555 Timer Monostable Circuit Calculator Software

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)

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 … Read moreIC 555 Astable Timer Circuit Calculator Software

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 … Read moreSteps to Build a LCD Socket Timer Circuit

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 … Read moreTouch Activated Lamp Circuit with Delay Timer

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 … Read moreTimer Based Cell Phone Charger Circuit