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Circuitos electrónicos: LM555



F to V Converter Circuit using LM555 Timer IC

A simple F to V converter circuit with diagram and schematic using LM555 Timer IC. This circuit has lots of applications in digital frequency meters, tachometers etc.

http://www.circuitstoday.com/f-to-v-converter


Search result for: lm555 :: High-Voltage-Lab.com

lm555 circuit diagrams. Search DIY electronic projects and circuit diagrams with descriptions. Learn electronics.

http://www.high-voltage-lab.com/search/lm555


Schematics of delabs: LM555 Voltage Doubler

http://schematics.dapj.com/2007/02/lm555-voltage-doubler.html


Remote controlled color TV circuit based on LM555-CD4017 - Free Electronic projects & 8085 projects : Free Electronic projects & 8085 projects

http://8085projects.info/remote-controlled-color-tv-circuit-based-on-lm555-cd4017.html


Digital Stop Watch and Digital Timer Circuit

A digital stop watch or digital timer circuit schematic built around timer IC LM555 and 4-digit counter IC MM74C926 with multiplexed 7-segment LED display

http://www.circuitstoday.com/digital-stop-watch


Bootstrapped Timer by Andrew R. Morris

Bootstrapped timer Circuit designed by Andrew R. Morris, all rights reserved.This circuit demonstrates how to use bootstrapping to seriously boost the output power of the timer. The LC555 can only put out about 50mA as it is. This circuit can put out at least 200mA and goes to the rail as well. The LM555 time puts out 300mA, but doesn't go all the way to the rail. Replace Q1 with a big MOSFET and you can put out big current with few components. Discovercircuits.com is your portal to free electro.......

http://www.discovercircuits.com/Andy/Bootstrapped_timer.htmf


PWM with 555. With printed circuit board.

This circuit can be used to control the speed of a motor by adjusting the duty cycle of the pulses sent to the motor.

http://www.electronica-electronics.com/en/Circuits/PWM-555.html


Clocking Circuits and Timer Circuits

Different clocking circuits and timer circuits. Clocks and Timers, Various types of timing circuits like 555 Timers, 555 timing circuit diagram and schematics.

http://www.circuitstoday.com/category/clocking-timer-circuits


pdfBootstrappedtimer

Category: Timer circuits Bootstrapped Timer This circuit demonstrates how to use bootstrapping to seriously boost the output power of the timer. The LC555 can only put out [. . ]

http://www.discovercircuits.com/Andy/Bootstrappedtimer.pdf


DPRG: A Simple PWM Circuit Based on the 555 Timer

Founded in 1984, the DPRG is one of the nation's oldest personal robotics groups. Come join us!

http://www.dprg.org/tutorials/2005-11a


555 Circuits II - Jose Pino's Projects and Tidbits.

This circuit can be used to activate a relay for two or three minutes. Pressing the switch the relay will be activated. Changing the 1M resistor with a variable resistor you can vary the time. The 0.01 capacitor is important because it prevents any false triggering. The circuit will work OK with 6 Volts without any modification. If you want to use 9 or 12 Volts, you need to change the relay with a 9V or 12V relay. Using this circuit with 120 VAC is not recommended, however, using the right parts.......

http://josepino.com/circuits/?555_circuits2


pdfSemaforo con el ci 555

http://www.geocities.ws/jaimealopezr/Electronica/Semaforo555.pdf


Alarm Archives - Electronic Circuit Diagram

http://circuitdiagram.net/electronic/alarm


Schematics of delabs: Drive SCR thyristor with 555

Drive SCR thyristor with 555

http://schematics.blogspot.com/2004/10/drive-scr-thyristor-with-555.html


How to build 8 Line Intercommunication using 89c51 (circuit diagram)

http://www.high-voltage-lab.com/101/8-line-intercommunication-using-89c51



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