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10% to 90% switched PWM source 01

10% to 90% switched PWM source 01 PUBLIC

A way to generate a pulse train so that it's duty cycle switches from D to 1-D. Implemented by scaling, then inverting and level shifting a CLK source set to a duty cycle D, using the USTEP function....

by signality | updated October 01, 2012

behavioural-source   pwm   ustep  

12-60V Constant Current LED Driver + PWM Dimmer

12-60V Constant Current LED Driver + PWM Dimmer PUBLIC

by serisman | updated June 07, 2013

555   constant-current   led   led-driver   led-string   pwm  

2.5V 250mA simple switching supply with defined gate drive

2.5V 250mA simple switching supply with defined gate drive PUBLIC

An edge-defined gate drive signal is produced by a CSV voltage source, and modulated to form a power supply feedback loop.

by mrobbins | updated September 30, 2013

power-supply   pwm   switching  

3 Phase Oscilator Motor Driver

3 Phase Oscilator Motor Driver PUBLIC

by jhonalvez | updated May 18, 2012

3-phase   ac   driver   motor   oscilator   pwm  

555 as Pulse Width Modulation (PWM) generator

555 as Pulse Width Modulation (PWM) generator PUBLIC

555 timer as a PWM generator based on an analog input source.

by mrobbins | updated January 24, 2012

555   pwm  

555 Clock for fan speed control

555 Clock for fan speed control PUBLIC

A 25 kHz clock circuit, set to about 75 % duty cycle, using a 555 timer.

by Sancho_P | updated November 07, 2012

555   behavioral-sources   fan-speed-control   newbie   ntc   pwm  

555 Dual-LED blinker with 50% duty cycle

555 Dual-LED blinker with 50% duty cycle PUBLIC

by mk5734 | updated August 01, 2018

555   pwm  

555 motor controller

555 motor controller PUBLIC

555 oscillator easy motor control. not so stable. very effective.

by danielfiction | updated March 02, 2012

555   555-motor-controller   astable   bjt   cheap   dfiction   econo   flyback-diode   motor   pwm  

555 PWM for fan speed control

555 PWM for fan speed control PUBLIC

I wanted to control a computer’s fan speed by the air temperature at the “hot spot” (the power supply air outlet). The project consists of three parts for easy simulation and was later verified on a...

by Sancho_P | updated November 07, 2012

555   behavioral-sources   fan-speed-control   newbie   ntc   pwm  

555 PWM Generator

555 PWM Generator PUBLIC

The simplest PWM generator possible. Tested and approved in real-life. Cheap and reliable!!

by GabrielPauka | updated April 26, 2016

555   pwm  

555 Timer as Pulse Width Modulation (PWM) Generator

555 Timer as Pulse Width Modulation (PWM) Generator PUBLIC

A 555 Timer can be used with variable "control" input to create a pulse width modulation (PWM) generator with its digital duty cycle varying based on an analog input voltage.

by CircuitLab | updated June 07, 2017

555   pwm  

555pwm

555pwm PUBLIC

by ahartel | updated January 22, 2013

555   fading-led   led   ne555   pwm   variable  

Arduino DUE

Arduino DUE PUBLIC

A detailed layout of the new Arduino Uno made entirely of box pieces; includes all pins as well as both USB ports and DC input jack.

by titous | updated December 24, 2012

analog   arduino   communication   dac   dc   digital   due   pwm   usb  

BJT PWM -- multi-stage rise/fall times

BJT PWM -- multi-stage rise/fall times PUBLIC

Power BJTs can be used to switch lots of current, but they require lots of base current as well.

by mrobbins | updated March 28, 2012

bjt   power   pwm  

Circuito PWM Motor

Circuito PWM Motor PUBLIC

by VictorLMoura | updated December 06, 2016

pwm   servo-motor   timer  

Copy of danielfiction`s 555 motor controller (high motor current)

Copy of danielfiction`s 555 motor controller (high motor current) PUBLIC

by jhonalvez | updated May 18, 2012

motor   pwm  

Copy of danielfiction's 555 motor controller ($0.50!)

Copy of danielfiction's 555 motor controller ($0.50!) PUBLIC

Build a PWM motor controller for $0.50! Based on danielfiction's circuit (link inside).

by mrobbins | updated March 01, 2012

555   bjt   motor   pwm  

Dual 555 PWM generator

Dual 555 PWM generator PUBLIC

A simple 2x555 PWM generator intended for use as an ADC in which a computer times the pulse length. U1 produces a chain of trigger pulses for U2, which produces pulses whose length is dictated by the...

by thekeywordgeek | updated October 31, 2012

555   adc   pwm  

generic voltage mode buck converter 01

generic voltage mode buck converter 01 PUBLIC

A generic Voltage Mode Buck (step down) converter. You will have to calculate component values for your own application.

by signality | updated March 13, 2013

buck-converter   pwm   smps   step-down-converter   switch-mode-power-supply   switch-mode-supply   switching  

H-BridgeMotorController

H-BridgeMotorController PUBLIC

A H-bridge Motor Controller using pwm input to control forward reverse.

by strigo8183 | updated May 04, 2012

h-bridge   motor-controller   pwm  

More tags

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