"pwm"-tagged Public Circuits

MOSFET LED strip switching - with 3.3V control, using 555 timer PUBLIC

WIP on using a 555 timer IC to drive an IRF540 MOSFET for 12V LED strip PWM without needing the microcontroller to supply fast PWM. INCOMPLETE.

by ringerc | updated June 16, 2019

555   driver   mosfet   pwm  

MOSFET LED strip switching - with 3.3V control active/active totem pole driver PUBLIC

Driver for IRF540 MOSFET that permits fast PWM of 12V load (LED strip) via 3.3V PWM control signal. Hopefully.

by ringerc | updated June 16, 2019

driver   mosfet   pwm  

555 Dual-LED blinker with 50% duty cycle PUBLIC

by mk5734 | updated August 01, 2018

555   pwm  

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  

Circuito PWM Motor PUBLIC

by VictorLMoura | updated December 06, 2016

pwm   servo-motor   timer  

High Power PWM Rectifier PUBLIC

Simple project to deliver high-voltage at high-current to a DC load, controlled with PWM. In real-life application, the load is 5 series-connect 100W LED.

by GabrielPauka | updated June 01, 2016

ac-to-dc   bridge-rectifier   power-electronics   power-supply   pwm   rectifier  

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  

Trinket-Dynode PUBLIC

Very simple circuit for Geiger-Muller tubes. PWM from Adafruit's Trinket micro-controller, inspired by www.dynode.nl

by chsimon | updated April 24, 2014

high-voltage   pwm  

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  

Wacky Sound Mod PUBLIC

Modification of Ray Wilson's Wacky Sound Generator. Combines this and the PWM guitar effect.

by legoboy468 | updated June 26, 2013

music   oscillator   pwm   schmitt-trigger   sound   synthesizer   wierd  

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

by serisman | updated June 07, 2013

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

PWM LED Dimmer - 12V 8A (96W) PUBLIC

Reverse Engineered PWM LED Dimmer from eBay 12V 8A (96W) 96W12V-TM1-1 http://www.ebay.com/itm/251257623888

by serisman | updated June 06, 2013

555   dimmer   led   lm358   pwm  

Rear Bike Light PUBLIC

Schematic for my Rear Bike Light, using 2 High power LEDs and an embedded ATmega328p with the Arduino boot loader to control the LEDs via PWM thru two N-channel MOSFET current sinks. It's also...

by rainierez | updated April 19, 2013

arduino   ftdi   high-power-led   led-driver   mosfet   pwm  

Option 1 PUBLIC

Audio signal PWM with triangular wave 2,4 - 2,6 V

by xtrusion | updated April 10, 2013

pwm  

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  

PWM1 PUBLIC

by chabo | updated March 07, 2013

pwm  

Pulswidth 555 dimmer PUBLIC

by mike.h | updated February 24, 2013

555   dimmer   led   pwm  

555pwm PUBLIC

by ahartel | updated January 22, 2013

555   fading-led   led   ne555   pwm   variable  

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  

Netduino PWM RGB ledstrip controller PUBLIC

RGB LED stip controler with NetDuino PWM

by Bram2202 | updated December 13, 2012

netduino   pwm