"led"-tagged Public Circuits

Flickering light dimmer PUBLIC

by ikatkov | updated August 23, 2020

dimmer   led   lm317  

LED constant current controller PUBLIC

by hevans | updated July 07, 2020

constant-current-source   led  

Solar Experiment PUBLIC

BigCliveDotCom's "Simplest solar light possible, using old phone battery" schematic

by dhaans | updated May 05, 2020

battery   charger   led   solar  

Led driver design PUBLIC

constant current led driver from 6v DC input. Controlled from Attiny85 PWM.

by cheperboy | updated July 06, 2019

led  

Led driver simulation PUBLIC

constant current led driver from 6v DC input. pwm provided by attiny85.

by cheperboy | updated July 06, 2019

led  

Bluetooth Dimmer Bypass Problem PUBLIC

Help needed in maintaining dimming function of 12V Bluetooth LED dimmer when module is not bypassed.

by Greg_di | updated March 12, 2019

bypass   diode   led  

LED Flasher PUBLIC

Status Indicator: Steady good, flashing bad.

by Watuckey | updated September 23, 2018

flasher   led  

LEDs with resistor biasing PUBLIC

LEDs are usually found with a resistor in series to select the desired current (and therefore brightness and power consumption).

by CircuitLab | updated June 07, 2017

bias-point   current-limiting   led  

magnetic switch/transistor PUBLIC

A circuit from a Forrest Mims III book. Comments welcome.

by ronneyg | updated September 05, 2016

led   transistor  

LED Low Level Lighting PUBLIC

LED yard lighting. Used to illuminate back yard with enough light to navigate paths safely at night.

by RBClarke | updated March 11, 2016

constant-current-source   led  

MAX7221 MAX7219 Binary Controller PUBLIC

by Kaptn_flint | updated August 13, 2015

binary   decoder   digit   display   led   segment  

Basic LED Circuit PUBLIC

by paulmirel | updated August 08, 2015

basic   led   ohms-law  

traffic Light PUBLIC

by nkeck | updated February 11, 2015

555   led   light   logic   not   traffic  

Dark activated LED PUBLIC

This circuit uses 2 NPN Transistors and an LDR to create a automatic on for an LED in this case. It has very good response, and low power consumption in light.

by joiseystud | updated January 17, 2014

led   photoresistor  

GDB LED circuit PUBLIC

Eight Gravity Development Board LED's to make cool artistic displays or output engineering data.

by SolX2010 | updated January 12, 2014

gdb   gravity-development-board   led   sol-x   solar-system-express  

8-LED color oscillator PUBLIC

by hbs22 | updated December 16, 2013

555   led   logic-gate  

555Timer PUBLIC

by St0rmingBr4in | updated September 01, 2013

555   led   ne555   simple  

Simple near-UV led circuit PUBLIC

This diagram represents an LED array powered by two "C" batteries in series with a resistor to control current flow. All of the hardware needed to build this circuit can be purchased at Radioshack for...

by Elfrotardo | updated August 07, 2013

c-battery   led   led-array   near-uv   parallel-led   ultra-violet   uv  

led1 PUBLIC

Basic polarization circuit

by nliebeaux | updated July 19, 2013

led   ohms-law   qed123  

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