"led"-tagged Public Circuits

Reverse Joule Thief Light PUBLIC

A novel circuit to charge a Li-ion battery from a 2v Solar cell

by qs | updated July 14, 2013

joule-thief   led   lighting  

LA001DC-firestarter PUBLIC

An array of prefab 4.5v L.E.D. modules (with their resistors removed), chained together for use with 12VDC supply.

by asp | updated July 02, 2013

12vdc   array   danger   fire   hackemup   led  

28x 5050 6.5k LED AC MAIN PUBLIC

by glococo | updated June 14, 2013

led   led-array  

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  

Simple LED PUBLIC

by Owning_Phoenix | updated June 01, 2013

led  

Auto Off LED PUBLIC

by skillethelper1 | updated May 11, 2013

led  

Led Flasher PUBLIC

This is a circuit which uses an npn and pnp transistor to briefly flash an LED every few seconds

by shagas | updated May 06, 2013

flasher   led   led-flasher   npn   pnp   timed   transistor  

IR presence detector (e.g. for model railway trains) PUBLIC

Provides a presence detector for model railway trains and similar moving things, providing an input to Arduino microcontrollers.

by rickb | updated April 27, 2013

arduino   led   model-railway   phototransistor  

Directional IR presence detector PUBLIC

Provides a presence detector for model railway trains and similar moving things, providing an input to Arduino microcontrollers.

by rickb | updated April 23, 2013

arduino   led   model-railway   phototransistor  

LED multi string linear constant current sink 01 PUBLIC

DC Sweep doesn't simulate properly in CL for all values of R7. Time Domain simulation shows erroneous current spike at startup. See below.

by signality | updated April 15, 2013

constant-current-sink   constant-current-source   led   led-array   led-string  

LED multi string linear constant current sink 03 PUBLIC

This slightly simplified version of: LED multi string linear constant current sink 01 simulates fine in DC Sweep and Time Domain.

by signality | updated April 15, 2013

constant-current-sink   constant-current-source   led   led-array   led-string  

LED multi string linear constant current sink 02 PUBLIC

An attempt to get the time domain sim of: LED multi string linear constant current sink 01 to work properly. It doesn't. Time Domain simulation still shows erroneous current spikes at startup.

by signality | updated April 15, 2013

constant-current-sink   constant-current-source   current-sink   led   led-array   led-string  

mini booster PUBLIC

by sean_robot | updated April 05, 2013

boost   led  

簡單led定電流 PUBLIC

by sean_robot | updated March 16, 2013

led  

LED1 PUBLIC

Basic LED circuit with a resistor

by davidvale | updated March 14, 2013

led   resistor  

dual led fader PUBLIC

by stripwax | updated March 03, 2013

fade   led   pulsing   rc   transistor  

LED Navigtation Lights PUBLIC

A voltage regulated LED flasher that emulates blinking navigation lights and strobes for a model airplane, or your favorite Starship.

by lsmith1437 | updated March 02, 2013

flasher   led   navigation  

5-stage Op-Amp/Transformer with LED PUBLIC

by mlew | updated February 28, 2013

led   op-amp   transformer  

BOOM! PUBLIC

by mlew | updated February 25, 2013

artwork   led